Instruction/ maintenance manual of the product 5551 Acer
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Aspire 5251/5551G/5551 Series Service Guide PRINTED IN T AIW AN Service guide files and updates are availab le on the ACER/CSD web; for more information, please refer to http://csd.
II Revision History Please refer to the table below for the up dates made on Aspire 5251/5551G/5551 service guide s. Date Chapter Up date s.
III Copyright Copyright © 2010 by Acer Incorporated. All rights rese rved. No part of this pub lication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into a.
IV Conventions The following conventi ons are used in this manual: NOTE: This symbol where placed in the Ser vice Guide designates a co mponent that should be recyc led according to th e local regulations. SCREEN MESSAGES Denotes actual messages that appe ar on screen.
V Preface Before using this information and the product it s upports, please read the fo llowing general info rma tion. 1. This Service Guide provides you with all techni cal information relating to the BASIC CON FIGUR A TION decided for Acer's "glo bal" product offering.
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VII T able of Contents System Specifications 1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . .
VIII T able of Contents Removing the USB Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73 Removing the Bluetooth Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 Removing the Mainboard .
IX T able of Contents Wireless Function Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .148 Thermal Unit Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .148 External Mouse Failure .
X T able of Contents.
Chapter 1 1 System Specifications Features Below is a brief summary of the computer ’s many features: NOTE: Some features not ava ilab le on all models. Operating System • Genuine Windows® 7 Home Premium 64-bit • Genuine Wi nd o w s® 7 H om e Basic 64-bit CPU/Chipset • AMD V Series processor V120 (512 KB L2 cac he, 2.
2 Chapter 1 • Dual independent display support (Aspire 525 1/5551/5551G) • 16.7 million colors (Aspire 5251/5551/5551G) • External resolution / refresh rates: • VGA port up to 2560 x 1440: 75 .
Chapter 1 3 • Write: 24X CD-R, 16X CD-RW , 8X DVD-R, 8X DVD+R, 4X DVD-R DL, 4X DVD+R DL, 6X DVD-RW , 8X DVD+RW , 5X DVD-RAM Communication • Acer Video Conference, featurin g: • Acer Crystal Eye 1.3 MP webcam, 1280 x 1024 resolution •W L A N : • Acer InviLink™ Nplify™ 802 .
4 Chapter 1 • HDMI™ port with HDCP support • External display (VGA) port • Headphone/speaker/line-out ja ck • Microphone-in jack • Ethernet (RJ-45) port • DC-in jack for AC adapter Optio.
Chapter 1 5 System Block Diagram Power On/O CKT. Touch Pad LPC BUS uFCBGA-528 Int.KBD USB conn X 3 A link Express2 DC/DC Interface CKT. AMD S1G4 Processor 3.3V 48MHz Hyper Transport Link 16 x 16 EC I/O Buer Power Circuit uPGA-638 Package ATI RS880M BIOS HD Audio ATI SB820M ENE KB926 Bluetooth Conn 3.
6 Chapter 1 Your Acer Notebook tour Front View No. Icon Item Description 1 Acer Crystal Ey e webcam Web camera for video communication (for selected models). 2 Display screen Also called Liquid-Crystal Display (LCD), displays computer output. 3 HDD Indicates when the hard disk drive is active.
Chapter 1 7 NOTE: 1 The front pa ne l in di ca to rs are visi b l e ev en when the comput er co ver is closed. Closed Front View Left View 7 Power 1 Indicates the computer ’s power status. Battery 1 Indicates the computer ’s battery status. 1. Charging: The li ght shows amber when the battery is charging.
8 Chapter 1 Right View 6 USB 2.0 ports Connect to USB 2.0 devices (e.g. USB mouse, USB camera). 7 Microphone-in jack Accepts input from external microphones. Headphones/ speaker/line-out jack Connects to audio line-out devices (e.g. speakers, headphones).
Chapter 1 9 Bottom View Indicators The computer has several easy-to-read status indicators. No. Icon Item Description 1 Battery bay Houses the computer's battery pack. 2 Battery release latch Releases the battery for removal. 3 Hard disk bay Houses the computer's hard disk (secured with screws).
10 Chapter 1 TouchPad Basics The following items show you how to use the T ouchPa d: • Move your finger across the T ouchPad (1) to move th e cursor . • Press the left (2) and right (3) buttons located beneath the T ouchPad to perform selection and execution functions.
Chapter 1 11 Using the Keyboard The keyboard has full-sized keys and an embedded numeric keypad, separate cursor , lock, Windows, fun ction and special keys. Lock Keys and embedded numeric keypad The keyboard h as two lock keys which you can toggle on a nd off.
12 Chapter 1 Windows Keys The keyboard has two keys that perform Wi ndow s-specific functions. Key Description Windows key Pressed alone, this key ha s the same effect as clicking on the Windows St art button; it launches the S tart menu.
Chapter 1 13 Hot Keys The computer employs hotkeys or key combinations to access most of the computer ’s controls like screen brightness, volume out put and the BIOS utility . T o activate hot keys, press and hold the < Fn> key before pressing the other key in the hotkey combination.
14 Chapter 1 Hardware Specifications and Configurations Plat form Processor Specifications CPU Fan T ru e V alue T able (Tj = 100 DIS) • Throttling 50%: On=95 °C, Off=85°C • OS Shutdown: 100°C .
Chapter 1 15 CPU Fan T rue V alue T able (Tj = 100 UMA) • Throttling 50%: On=95 °C, Off=85°C • OS Shutdown: 100°C • H/W Shutdown: 92°C Fan Acoustic Specifications NOTE: T one:20~399Hz refers to sl ope of Ecma-074, 400~20K Hz < 7 Prominence ratio.
16 Chapter 1 BIOS System Memory Memory Combinations NOTE: Above table lists s ome system memory configur ations. Y ou may combine DIMMs with various capacities to form other combinations . In the above ta ble, the configur ation of slot 1 and slot 2 could be reversed.
Chapter 1 17 Onboard LAN Wireless LAN Battery Item Specification V endor/mode l name Broadcom 57780KMLG for GIGA LAN Features • Integrated 10/ 100 /10000BASE-T transceiver • Automatic MDI crossover function • PCIe V1.
18 Chapter 1 System Power Manag ement Power and Keyboard Controller Hard Disk Drive Interface ACPI mode Sp ecification Mech. Off (G3) All devices in the system are turned off completely . Soft Of f (G2/S5) OS initiated shutdown. A ll devices in the system are turned off completely .
Chapter 1 19 Super-Multi Driv e Module Item Specification V end or & model name HLDS G T20N Sony AD7580S Performance S pecificatio n With CD Diskette With DVD Diskette With CD Diskette With DVD Diskette T ransfer rate (MB/ sec) Sustained: 3,600 KB/s (24x) max.
20 Chapter 1 VGA Chip LCD Display Resolutions Item Spec ification V endo r/model name A TI Mobility Radeo n™ HD 5650/5470 GPU Features • On Board 1024MB(5650) / 512 MB(5470) DDR3 Video RAM • PCI Express 2.1 x16 bu s inte rfa c e • DirectX® 1 1 su pport • OpenGL 3.
Chapter 1 21 LCD 15.6” USB HDMI Item Specification V endor/mode l name AUO/CPT/CMO/Samsung/LCD/INL Screen Diagonal (mm) 15.6 inches Display resolution (pixels) 1366 x 768 W XGA Clare Pixel Pitch 0.
22 Chapter 1 Card Reader Item Specification Part Name Re alT ek RT5160 Package 5-in-1 card reader General Features • Push-push type, with dummy card • Built-in 250mA Power MOS for memory card • .
Chapter 1 23 Audio Interface Item Spec ification Chipset Realtek ALC272-X Features • M ee ts performance and function requirements for Microsoft WLP 3.10, and stricter performance requirements for future WLP . • T wo ste reo DAC supports 16/20/24-bit PCM for two independe nt playbacks (multiple streaming).
24 Chapter 1.
Chapter 2 25 System Utilities BIOS Setup Utility The BIOS Setup Utility is a hardware configuration prog ram built into y our computer ’s BIOS (Basic Input/ Output System). Y our computer is alre ady properly configured and optimi zed, and you do not need to run this utility .
26 Chapter 2 Aspire 5251/5551G/5551 BIOS Information The Information screen displa ys a summary of the comput er hardware information. NOTE: The screen above is for your reference only . Actual values may differ according to model. The table below describes the parameters in this screen.
Chapter 2 27 Main The Main screen allows th e user to set the system time and date as well as enable and disable bo ot options and recovery . NOTE: The screen above is for your reference only . Actual values may differ . The table below describes the parameters in this screen.
28 Chapter 2 Security The Security screen co ntains parameters that help sa feguard and protect your co mputer from unautho ri zed use. NOTE: System BIOS does not support T rusted Platform Module (TPM). The table below describes the parameters in this screen.
Chapter 2 29 Setting a Password Follow these steps as you set the user or the supervisor password: 1. Use the ↑ and ↓ keys to highlight the Set Supe rvisor Password parameter and press the Enter key . The Set Supervisor Password box appears: 2. T ype a pa ssword in the “Enter New Pa ssword” fiel d.
30 Chapter 2 Changing a Password 1. Use the ↑ and ↓ keys to highlight the Set Supe rvisor Password parameter and press the Enter key . The Set Supervisor Password box appears. 2. T ype the current passw or d in the Enter Curr en t Pa ssw or d field and press Enter .
Chapter 2 31 Boot This menu allows the user to deci de the order of boot devices to l oad the operating syste m. Bootable devices includes the USB diskette drives, the onboard hard disk dr ive and the DVD drive in the module bay . Select Boot menu to select sp ecific devices to support boot.
32 Chapter 2 Exit The Exit screen allows you to save or discard any changes you made an d qui t th e BIOS Utility . The table below describes the parameters in this screen. Parameter Description Exit Saving Changes Exit System Setu p and save your changes to CMOS.
Chapter 2 33 BIOS Flash Utilities The BIOS flash memory upd ate is required for th e following con ditions: • New versions of system programs • New features or options • Restore a BIOS when it becomes corrupted. Use the Flash utility to updat e th e system BIOS Flash ROM.
34 Chapter 2 DOS Flash Utility Perform the following steps to use the DOS Flash Utility: 1. Press F2 during boot to enter the Setup Menu. 2. Select Boot Menu to modify the boot priority order , for example, if using USB HDD to Update BIOS, move USB HDD to position 1.
Chapter 2 35 4. In flash BI OS, the me ssage Please do not remo ve AC Power Source displays. NOTE: If the AC power is n ot connected, the following message displays. Plug in the AC po wer to continue. 5. Flash is complete when the message Fl ash programming complete displays.
36 Chapter 2 WinFlash Utility Perform the following steps to use the WinFlash Utility: 1. Double-click the WinFlash executable. 2. Click OK to begin the update.
Chapter 2 37 Remove HDD/BIOS Password Utilities This section provide s you with d e tails about removing HDD/BIOS password: Remove HDD Password: If you key in the wrong HDD password three times, an error is gen erated. T o reset the HDD p assword, perform the following step s: 1.
38 Chapter 2 Removing BIOS Passw or ds: T o clear the User or Supervisor passwords, open the DIMM door and use a metal instrument to short the J1 point . Cleaning BIOS Passwords T o clean the User or Supervisor passwords, perform the following steps: 1.
Chapter 2 39 Using Boot Sequence Selector The Boot Sequen ce Selector allows the b oot order to be changed without accessing the BIOS. T o use Boot Sequence Selector , perform the following steps: 1. Enter into DOS. 2. Execute BS.exe to display the usage screen.
40 Chapter 2 Using DMITools The DMI (Desktop Management Interface) T ool copies BIOS information to EEPR OM to be used in the DMI pool for hardware managemen t. When the BIOS displays V erifying DMI pool data it is checki ng that the t able correlates with th e hardw are before sending to the operating system (Windows, etc.
Chapter 2 41 Using the LAN MAC EEPROM Utility Y ou can use the MAC.BA T utility to write t he MAC.CFG file to the EEPROM under DOS mode. 1. Use a text editor (for example: Notepad) to open the MAC.CFG file. Y ou can see the MAC.CFG contents as below: 2.
42 Chapter 2.
Chapter 3 43 Machine Disassembly and Replacement IMPORT ANT : The outside housing and color may vary from the mass produced model. This chapter contains step-by-s tep procedures on how to disass emble the notebook computer for maintenance and troubleshooting .
44 Chapter 3 Pre-disassembly Instructions Before proceeding with the disassembly procedure, make su re that you do the following: 1. T urn off the power to the system and all peripherals. 2. Unplug the AC adapter and all power and signal cab les from the system.
Chapter 3 45 Disassembly Process IMPORT ANT : The LCD Module cannot be disassemble d outside of factory conditions. If any part of the LCD Module is faulty , such as the camera, antenna or LCD panel, the whole module must be replac ed.
46 Chapter 3 External Module Disassembly Process IMPORT ANT : The outside housing and color may vary from the mass produced model. External Modules Disassembly Flowchart The flowchart below gives you a graphic represen tati on of the external module disassembly sequence and instructs you on the components that need to be removed du ring servicing.
Chapter 3 47 Removing the Battery Pack 1. T urn computer over . Slide the battery lock in the direction shown. 2. Slide and hold the battery rel ease latch to the release po sition (1), then lift out the battery pack from the main unit (2). NOTE: Please follow local regulations for disposal.
48 Chapter 3 Removing the SD Dummy Card 1. Push the SD dummy card all the way in to eject it . 2. Pull it out from the slot..
Chapter 3 49 Removing the Optical Drive Module 1. See “Removing the Battery Pack” on page 47. 2. Remove the screw securing the ODD module. 3. Pull the optical drive modul e out from th e ch assis.
50 Chapter 3 4. Remove the two (2) screws se curing the ODD bracket a nd remove the ODD bracket fro m the optical disk drive module. 5. Remove the ODD bezel by prying the top edge away and clear of the module .
Chapter 3 51 Removing the Logic Lower Door 1. Remove two (2) screws from the logic lower door . 2. Lift the door beginning from the inner edge as shown. 3. Lift the door clear of the de vice, exposing the HDD, DIMM, and WLAN module s. Ste p Size Quantity Screw T ype Logic lower door M2.
52 Chapter 3 Removing the 3G Cover 1. Remove one (1) screw from the 3G Cover . 2. Lift the 3G Cover from the right edge first, then remove completely .
Chapter 3 53 Removing the DIMM Module 1. See “Removing the Logic Lower Door” on page 51. 2. Push out the release latches on both sides of the DIMM socket to release th e DIMM module. 3. Remove the DIMM module. 4. Repeat steps 2 and 3 for the se cond DIMM module if present.
54 Chapter 3 Removing the WLAN Module 1. See “Removing the Logic Lower Door” on page 51. 2. Disconnect the antenna cables from the WL AN Board. NOTE: Cable placement is Black to the MAIN terminal and White to the AUX terminal. 3. Move the antenna away and remove the two (1) screws to release the WLAN Board .
Chapter 3 55 4. Detach the WLAN Board from the WLAN socket. NOTE: When reattaching the antennas, ensure th e cables are tucked into the chassis to prevent dama ge.
56 Chapter 3 Removing the Hard Disk Drive Module 1. See “Removing the Logic Lower Door” on page 51. 2. Using the pull-tab, slide the HDD Module in the di rection of the arrow to disconnect the interface. 3. Lift the HDD Module clear of the HDD bay .
Chapter 3 57 4. Remove the four (4) screws (two each side ) securing the hard disk to the carrier . 5. Remove the HDD from the carrier . Ste p Size Quantity Screw T ype HDD Carrier M3*3 4.
58 Chapter 3 Main Unit Disassembly Process Main Unit Disassembly Flowchart Screw List Ste p Screw Quantity Part No. Upper Cover M2.5*5 7 Lower Cover M2.5*8 1 1 Battery Bay M2*3 4 Left S peaker Mo dule M2*3 2 Right S peaker Module M2*3 2 Power Board M2*3 2 Card Reader M2*3 1 USB Board M2*3 1 T ouchPad Bracket M2*3 1 Mainboard M2.
Chapter 3 59 Removing the Keyboard 1. Unlock the six (6) keyboard locks. 2. Pry up the centre of the Keyboard and rotate it upward awa y from the Upper Cover .
60 Chapter 3 4. Open the locking latch and disco nnect the FFC from the mainbo ard. 5. Lift the keyboard clear of the Upper Cover ..
Chapter 3 61 Removing the Upper Cover 1. See “External Module Disassembly Process” on page 46. 2. T urn the computer over . Remo ve the eleven (1 1) scr ews on the lower cover and four (4 ) screws from the battery bay . Ste p Size Quantity Screw T ype Lower Cover (red callout) M2.
62 Chapter 3 3. T urn the computer over and disconnect the fo llowing four (4) cables from the Mainboard. A B C D.
Chapter 3 63 NOTE: Avoid pulling on cables directly to prevent damage to the connectors. NOTE: Use the pull-tabs on FFCs whenever available to prevent damage . 4. Release the locking latch on A . 5. Disconnect A as shown. 6. Release the locking latch on B and remove th e ca ble as shown.
64 Chapter 3 9. Remove the seven (7) screws on the Upper Cover as shown. 10. S tarting at the top right side of the cover , pry ap art t he Upper and Lowe r Covers as shown. Work along the front edge of the casing to the left as shown, then lift the Upper Cover clear of the Lower Cover .
Chapter 3 65 Removing the Left Speaker Module 1. See “Removing the Upper Cove r” on page 61. 2. Locate the Left S pe aker Module on the Upper Co ver as shown. 3. Remove two (2) screws from the left speaker module. 4. Remove the S peaker cable from the cable channel.
66 Chapter 3 5. Lift the S peaker clear of the Upper Cover ..
Chapter 3 67 Removing the Right Speaker Module 1. See “Removing the Upper Cove r” on page 61. 2. Locate the Right S peaker Module on the Upper Cover as shown. 3. Remove the two (2) securing screws from the Right S peaker Module. 4. Remove the Right S peaker Module cable from the cable c hannel.
68 Chapter 3 5. Lift the Right S peaker Module clear of the device..
Chapter 3 69 Removing the Power Board 1. See “Removing the Upper Cove r” on page 61. 2. T urn the upper cover over and remove the power b oard cabl e. Pass the cable through the upp er co ver as shown. 3. Remove two (2) screws from the power board.
70 Chapter 3 Removing the TouchPad Bracket IMPORT ANT : The T ouchPad Board cann ot be remo ved individua lly . T o replace the T ouch Pad Board, repla ce the entire Upper Cover . 1. See “Removing the Upper Cove r” on page 61. 2. Lift the FFC to detach the adhesive securing the cable to the Upper Cover .
Chapter 3 71 4. Remove the one (1) screw from T ouchPad bracket. 5. Pry the T ouchpad bracket off the adhesive and remove it as shown. Step Size Quantity Screw T ype T ouchPad Bracket M2*3 1.
72 Chapter 3 Removing the Card Reader Board 1. See “Removing the Upper Cove r” on page 61. 2. Unlock the mainboard to card reader cable connector . 3. Remove one (1) screw from the card reader board. 4. Lift the card reader board clear of the device.
Chapter 3 73 Removing the USB Board 1. See “Removing the Upper Cove r” on page 61. 2. Unlock the mainboard to USB cable connector . 3. Peel the cable off the adhesive as shown.
74 Chapter 3 5. Lift the USB board clear of the device..
Chapter 3 75 Removing the Bluetooth Board 1. See “Removing the Upper Cove r” on page 61. 2. Pry the Bluetooth board from the adhesive. 3. Disconnect the mainboard to Bluetooth cable. 4. Lift the Bluetooth board away from the cable channe l as shown.
76 Chapter 3 Removing the Mainboard 1. See “Removing the Upper Cove r” on page 61. 2. Disconnect the speaker to mainboard cable. 3. Disconnect the L VDS cable.
Chapter 3 77 4. Remove the one (1) securing screw from the Mainboard. 5. Place a dust free, protective mat on the lcd screen to aid in the removal of the ma inb oard.
78 Chapter 3 6. Lift the inner edge of the mainboard up and out to free it fro m the lower case, without removing the mainboard completely from the chassis. CAUTION: Do not remove the mainbo ard comple tely . The mainb oard is still connected to the chassis.
Chapter 3 79 8. Disconnect the power cable. 9. Remove the mainboard from the chassis and turn it over . NOTE: Circuit boards >1 0 cm² ha v e bee n hig hl igh te d with a yellow rectangle as shown in the previous image. Please detach the Circuit board and follow local regu la tions for disposal.
80 Chapter 3 11 . Discon nect the Bluetooth to mainboa rd cable..
Chapter 3 81 Removing the Thermal Module 1. See “Removing the Upper Cove r” on page 61. 2. Disconnect the fan cable. 3. Remove the four (4) securing screws (in reverse numerical order from screw 4 to 1), then the two (2) screws o n the GPU. Ste p Size Quantity Screw T ype Thermal Module M2.
82 Chapter 3 4. Carefully lift the Thermal Module clear of the Mainboa rd..
Chapter 3 83 Removing the CPU IMPORT ANT : The pins on the underside of the CPU are very delicate. If they are damag ed, th e CPU may malfunction. Place the CPU on a clean, dry surface when it is not installed. 1. See “Removing the Therma l Module ” on page 81.
84 Chapter 3 LCD Module Disassembly Process LCD Module Disassembly Flowchart Screw List Ste p Screw Quantity Part No. LCD Assy M2.5*5 4 LCD Bezel M2.5*6 2 LCD Panel M2.
Chapter 3 85 Removing the LCD Assembly 1. See “Removing the Upper Cove r” on page 61. 2. T urn the device over and pass the black and white antenna cables through the lower cover . 3. Free the black and white antenna cables from the cable channel as shown .
86 Chapter 3 5. Remove the L VDS cable from the cable channel. 6. Remove the adhesive tape from the black antenna cable. 7. Free the cable from the cable channel as shown.
Chapter 3 87 8. Remove four (4) screws from the LCD assembly . 9. Remove the LCD assembly from the lower cover . Ste p Size Quantity Screw T ype LCD assembly M2.
88 Chapter 3 Removing the LCD Bezel 1. See “Removing the LCD Assembly” on page 85. 2. Remove the two bezel screw caps and screws. 3. S tarting from the bottom edge of t he bezel, pry the bezel upwards an d aw ay from the panel. Work along the right side toward the top of the b ezel, prying the cove rs apart.
Chapter 3 89 Removing the Camera Module 1. See “Removing the LCD Assembly” on page 85. 2. Locate the Camera Module at the top of the LCD Module and disconnect the camera cabl e.
90 Chapter 3 Removing the LCD Panel 1. See “Removing the Camera Module” on page 89. 2. Remove the four (4) securing screws from the LCD Panel. 3. Remove the adhesive strip holding the cables in place. 4. Lift the LCD Panel clear of the module. Ste p Size Quantity Screw T ype LCD Panel M2.
Chapter 3 91 Removing the LCD Brackets and LVDS Cable 1. See “Removing the LCD Panel” on page 90. 2. Remove the six (6) securing screws (three on each side) from the LCD Panel brackets. 3. Remove the LCD brackets by pulling away from the LCD Panel.
92 Chapter 3 4. T urn the LCD panel over to expose the rear . Pull the cable up as shown. 5. Remove the adhesive tape from the cable. 6. Peel back the mylar securin g the L VDS cable.
Chapter 3 93 7. Disconnect the L VDS cable from the panel..
94 Chapter 3 Removing the Microphone Cable 1. See “Removing the LCD Panel” on page 90. 2. Remove the cable bundle from the hinge channel. 3. Peel back the foil tabs and remove the microphone ca ble from the cable chan nel. 4. Peel back the foil tab on the microphone set.
Chapter 3 95 5. Lift the microphone set and cable clear of the LCD cover ..
96 Chapter 3 Removing the Antennas 1. See “Removing the LCD Panel” on page 90. 2. Remove the black antenna from the cable channel. 3. Peel back the foil tabs and remove the cable from the cable channel. 4. Pry the antenna assembly clear of the device.
Chapter 3 97 5. Remove the white a ntenna from the hinge channel. 6. Peel back the foil tabs and remove the cable from the cable channel. 7. Pry the antenna assembly clear of the device.
98 Chapter 3 LCD Module Reassembly Procedure Replacing the Antennas 1. Adhere the white antenna assembly to the LCD cover . 2. Run the cable along the cable chann el and fold over the foil tabs to secure the cable in place. 3. Run the white antenna along the hing e channel.
Chapter 3 99 4. Adhere the black antenna assembly on the LCD cover . 5. Run the cable along the cable chann el and fold over the foil tabs to secure the cable in place.
100 Chapter 3 Replacing the Microphone Cable 1. Place the microphone se t in the panel. 2. Run the cable along the cable channel. 3. Fold over the foil tabs and continue running the microphone cable along the cable ch annel indicated between the red callouts.
Chapter 3 101 Replacing the LCD Brackets and LVDS Cable 1. Connect the L VDS cable to the LCD panel. 2. Adhere the L VDS mylar to the LCD panel. 3. Adhere the L VDS cable to the panel by running it between the callo uts as shown.
102 Chapter 3 4. Attach the LCD brackets to the LCD Panel. 5. Replace six (6) securing screws (three on each side) of the LCD Panel brackets..
Chapter 3 103 Replacing the LCD Panel 1. Place the LCD Pan e l i n th e mo du l e as sho wn. 2. Run the ca ble along the cha nnel in the L CD Module as shown. 3. Run the cable through the left hinge channel. 4. Secure the panel using four (4) securing screws.
104 Chapter 3 Replacing the Camera Module 1. Place the Camera in the modul e. 2. Co nnect the camera cable..
Chapter 3 105 Replacing the LCD Bezel 1. Replace the bezel and press down until th ere are no gaps between the bezel and the LCD Module. IMPORT ANT : Ensure that the LCD cables pass through th e hinge wells and are not trapped by the bezel. 2. Replace the two (2) screws and screw caps.
106 Chapter 3 Replacing the LCD Assembly 1. Place the LCD assembly o n the lower cover . 2. Secure the LCD assembly using four (4) screws..
Chapter 3 107 3. Run the black antenn a cable along the cable channel. 4. Replace the adhesive tape to secure the cable to the chassis. 5. Near the left hinge, run the L VDS cable along the cable channe l.
108 Chapter 3 6. Run the white antenn a cable along the cab le channel as show n. 7. Continue running the black and wh ite antenna cables along the cable chann el.
Chapter 3 109 Main Module Reassembly Procedure Replacing the CPU IMPORT ANT : Apply a suitable thermal grease and ensure all he at pads are in place before replacing the CPU.
11 0 Chapter 3 Replacing the Thermal Module IMPORT ANT : Apply a suitable thermal grease and ensure all heat pads are in place before replacing the Thermal Module. The following thermal grease type s are approved for use: • N-302 Dimand TIM Grease • Honeywell The following thermal pads are approved for use: • Eapus XR-PE 1.
Chapter 3 111 5. Connect the fan cable..
11 2 Chapter 3 Replacing the Mainboard 1. Connect the Bluetooth to mainboa rd cable. 2. Apply the adhesive tape to the Bluetooth cable. 3. Connect the power cable.
Chapter 3 11 3 4. Place the left edge of the mainboard in first to line up the I/O ports before lowering the mainboard into the chassis. NOTE: Ensure the I/O ports are positioned correctly thro ugh the casing. 5. Secure the one (1) securing screw on the Mainboard.
11 4 Chapter 3 6. Connect the L VDS cable to the mainboard. 7. Connect the microphone cable..
Chapter 3 11 5 Replacing the Bluetooth Board 1. Run the Bluetooth cable along the chan nel as shown. 2. Connect the mainboard to Bluetooth cable. 3. Adhere the Bluetooth board to the adhesive.
11 6 Chapter 3 Replacing the USB Board 1. Place the USB board in the device. 2. Secure the one (1) screw on the USB board. 3. Adhere the cable to the chassis as shown.
Chapter 3 11 7 4. Connect the USB cable to the mainb oard an d lock the connector ..
11 8 Chapter 3 Replacing the Card Reader Board 1. Place the card reader board in the device. 2. Secure one (1) screw on the card reader board. 3. Connect the card reader cable and lock th e connector .
Chapter 3 11 9 Replacing the TouchPad Bracket 1. Replace the T ouchPad bracket top edge first to engage the securing clips and press down firmly . 2. Replace the one (1) screws to secure the T ouchPad Bracket to the Upper Cover . 3. Replace the T ouchPad FFC and close the locking latch on the connector .
120 Chapter 3 4. Replace the FF C and press down a s indicated to secure it to the Upper Cover ..
Chapter 3 121 Replacing the Power Board 1. Place the power board in the upper cover . Ensure that the assembly fits inside the bracket securely . 2. Secure two (2) screws on the power board. 3. Pass the power board cable through the uppe r co ver . Adhere the power board cable as shown.
122 Chapter 3 Replacing the Right Speaker Module 1. Place the right speaker module in the chassis as shown. 2. Run the speaker cable along the channel.
Chapter 3 123 Replacing the Left Speaker Module 1. Place the module right side first on the Upper Cover as shown. 2. Run the S peaker cable along the cable channel.
124 Chapter 3 Replacing the Upper Cover 1. Place the Upper Cover on the Lower Cover as shown and press all sides are firmly in place. 2. Secure the seven (7) screws on the Upper Cover as shown.
Chapter 3 125 3. Connect the following cables to the Mainboard. 4. Connect D as shown. 5. Connect C as shown. A B C D.
126 Chapter 3 6. Connect B as shown. 7. Connect A and lock as shown. 8. T urn the computer over . Remove the eleven (1 1) screws on the lower cover and four (4) screws from the battery bay .
Chapter 3 127 Replacing the Keyboard 1. Connect the Keyboard FFC to the Mainboard and cl os e the locking latch to secure the cable in pl ace. 2. Replace the Keyb oard by first lining up the bottom edge.
128 Chapter 3 Replacing the Hard Disk Drive Module 1. Place the HDD in the HDD carrier . 2. Replace the four (4) screws (two each side) to secure the carrier . 3. Insert the HDD, as indica ted and lower it into place. 4. Slide the HDD in the direction of the arrow to connect the interface .
Chapter 3 129 Replacing the WLAN Module 1. Insert the WLAN Module into the WLAN socket. 2. Replace the two (2) screws to secure the module. 3. Connect the two (2) Ante nna cables to the mod ule. NOTE: The black cable connects to the upper terminal (MAIN) and the white cable to the lower termi nal (MAIN).
130 Chapter 3 Replacing the DIMM Modules 1. Insert the DIMM Module in place. 2. Press down to lock the DIMM module in place. 3. Repeat steps for the second DIMM module if present.
Chapter 3 131 Replacing the 3G Cover 1. Line up the left edge of the 3G cover with the device, before replacing completely . 2. Replace one (1) screw on the 3G Cover .
132 Chapter 3 Replacing the Logic Lower Door 1. Replace the lower cover by first lining up the top edge as shown . 2. Secure two (2) screws on the lower cover .
Chapter 3 133 Replacing the ODD Module 1. Press the bezel into the tr ay , bottom edge first, to secure it to the ODD Module. 2. Place the bracket on the ODD module. 3. Secure the ODD bracket with the two (2) screws. 4. Push the ODD Module into the ODD bay until it is flush with the casing.
134 Chapter 3 Replacing the SD Dummy Card 1. Insert the SD Dum my Card into the slot as shown. 2. Push until the ca rd clicks into place and is flush wit h the casing .
Chapter 3 135 Replacing the Battery 1. Slide and hol d the battery rele ase latch to the release po sition (1 ) , insert t he battery pack an d press down (2).
136 Chapter 3.
Chapter 4 137 Troubleshooting Common Problems Use the following procedure as a gui de for computer problems. NOTE: The diagnosti c tests are intended to test only Acer products. Non-Acer products, prototype cards, or modified options can give false e rrors and invalid system responses.
138 Chapter 4 Power On Issue If the system doesn’t power on, perform the following acti ons one at a time to correct the problem. Do not replace a non-defective FRUs: Computer Shutsdown Intermittently If the system powers off at intervals, perform the fo llow ing actions one at a time to correct the problem.
Chapter 4 139 No Display Issue If the Displa y doesn’t work, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs: No POST or Video If the POST or video doesn’t display , perform the foll owing actions one at a time to correct the problem.
140 Chapter 4 Abnormal Video Display If video displays abnormally , perform the following actions one at a time to correct the proble m. 1. Reboot the computer . 2. If permanent vertical/h orizontal lines or dark spots display in the same location, the LCD is faulty and should be replaced.
Chapter 4 141 LCD Failure If the LCD fails, perform the following actions one at a ti me to correct the problem. Do not replace a non- defective FRUs: Built-In Keyboard Failure If the built-in Keyboard fails, perform the foll owing actions one at a ti me to correct the pro blem.
142 Chapter 4 TouchPad Failure If the To u c h P a d doesn’t work, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs: Internal Speaker Failure If the internal Speakers fail, perform the following actions one at a time to correct the probl em.
Chapter 4 143 Sound Problems If sound problems are experienced, p erform the following actions one at a time to correct the problem. 1. Reboot the computer . 2. Navigate to Start ´ Control Panel ´ System and Maintenance ´ System ´ Device Manager .
144 Chapter 4 HDD Not Operating Correctly If the HDD does not op erate correctly , perform the following ac ti ons one at a time to correct the problem. 1. Disconnect all external devices. 2. Run a complete virus scan using up-to-date software to ensure the computer is virus free.
Chapter 4 145 ODD Failure If the ODD fails, perform the following acti ons one at a time to correct the problem. Do not replace a non- defective FRUs: ODD Not Operating Correctly If the ODD exhibits a.
146 Chapter 4 a. Double-click lDE A T A/A T API controllers . If a device displa ys a down arrow , right-cl ick on the device and click Enable . b. Double-click DVD/C D-RO M dri ves . If the device displays a down arrow , right-click on the device and click Enable .
Chapter 4 147 b. Double-click IDE A T A/A T API controllers , then right-click A T A Device 0. c. Click Properties and select the Advanced Settings tab. Ensure that the Enable DMA box is checked and click OK . d. Repeat for the other A T A Devices shown if applicable.
148 Chapter 4 Wireless Function Failure If the WLAN fails, perform th e following actions one at a time to correct th e problem. Do not replace a non- defective FRUs: Thermal Unit Failure If the Thermal Unit fails, perform the follo wing actions one at a time to correct the problem.
Chapter 4 149 External Mouse Failure If an external Mouse fails, perform the following actions one at a time to correc t th e problem. 1. T ry an alternative mouse. 2. If the mouse uses a wireless connection, i nsert new batteries a nd confirm there is a goo d connection.
150 Chapter 4 Intermittent Problems Intermittent system hang problems can be caused by a variety of reasons th at have nothin g to do with a hardware defect, such as: cosmic radiation, electros tatic discharge, or software errors. FRU replacement should be considered only when a recurring prob lem exists.
Chapter 4 151 Post Codes These tables describe the POST code s and descriptions durin g th e POST . Post Code Range SEC Phase POST Code T able PEI Phase POST Code T able: Phase POST Code Range SEC 0x0.
152 Chapter 4 DXE Phase POST Code T able: BDS Phase POST Code T able: PEI_MEMORY_CALLBACK PEI 83 Set cache for physical memory PEI_ENTER_RECOVERY _MODE PEI 84 Re covery device Initialization PEI_RECOV.
Chapter 4 153 PostBDS POST Code T able BDS_CONNECT_STD_ERR BDS 18 Error report device initialization BDS_CONNECT_USB_HC BDS 19 USB host controller initialization BDS_CONNECT_USB_BUS BDS 1A USB BUS dri.
154 Chapter 4 S3 Functions POST Code T able ACPI Functions POST Code T able SMM Functions POST Code T able InsydeH2ODD T Debugger POST Co de T able Functionalit y Name (Include Pos tC ode.
Chapter 5 155 Jumper and Connector Locations Top View Item Description Item Description JL VDS1 Conn ect to LED / CCFL Panel SW1 / SW2 Left button / Right button JSPK1 Connect to Right S peaker LED1 /.
156 Chapter 5 Bottom View Item Description Item Descriptio n PJP2 Connect to Battery JHDD1 Connect to SA T A HD D PJP1 DC-IN jack JODD1 Conne ct to SA T A ODD JDIMM1 / JDIMM2 DDR3 Memory socket JF AN1.
Chapter 5 157 USB/B Board Power Board Item Description JUSB1/JUSB2 USB Connector ITEM DESCRIPTION ITEM DESCRIPTION LED1 For NEW75 ON/OFF LED LED9 Not Use LED2 For NEW85 ON/OFF LED LED10 For NEW75 WLAN.
158 Chapter 5 CR/B Board LED8 For NEW85 WLAN LED ITEM DESCRI PTION JREAD1 Card rea der connector ITEM DESCRIPTION ITEM DESCRIPTION.
Chapter 5 159 Clearing Password Check and BIOS Recovery This section provides you with the st and ard operating procedures of clearing password and BIOS reco very for the Aspire 5251/5551G/55 51. The machi ne provides one Hardware Open Gap on main board for clearing password check, and one Hotkey for enabling BIOS Recovery .
160 Chapter 5 BIOS Recovery by Crisis Disk BIOS Recovery Boot Block: BIOS Recovery Boot Block is a spec ial block of BIOS. It is used to boot up the system with minimum BIOS initialization. Users can enable this feature to restore the BIOS firmware to a successful one once the previous BIOS flashing process failed.
Chapter 6 161 FRU (Field Replaceable Unit) List This chapter gives you the FRU (Field Repla ceable Unit) list ing in global configurations of Aspire 5251/5551G/5551. Refe r to this chapter whenever ordering for parts to repa ir or for RMA (Return Merchandise Authorization).
162 Chapter 6 Aspire 5251/5551G/5551 Exploded Diagrams Main Assembly No. Description Acer P/N 1 Keyboard 2 Upper Cover 3 Mainboard 4 USB Board 5 Card Reader Board 6 Thermal Module 7 Lower Cover 1 2 3 .
Chapter 6 163 Base Assembly No. Description Ac er P/N 1 Logic Lower Door 2 3G Door 3 Lower Cover 1 2 3.
164 Chapter 6 LED Assembly No. Description Acer P/N 1 LCD Bracket (L) 2 L VDS Cable 3 ANTENNA WLAN- MAIN 4 Microphone Cable 5 LCD Bezel 6 LCD Bracket (R) 7 LCD Panel 8 ANTENNA WLAN- AUX 9 LCD Cover 1 .
Chapter 6 165 Aspire 5251/5551G/5551 FRU List.
166 Chapter 6 Screw List.
Chapter 6 167.
Appendix A 168 Model Definition and Configuration Aspire 5251 Model Acer Part No RO Country Description AS5251- 1202G25Mn LX.PWJ02.005 P A USA AS5251-1202G25Mn W7HP64A TUS1 MC UMACkk_3 2*1G/250/6L2.2 /5R/ CB_bgn_1.3C_GEk_FRB5 AS5251- 1202G16Mn LX.PWJ02.
169 Appendix A AS5251- N122G32Mn S2.PUX0C.001 SMPN 120 NLED15.6WX GAG UMA N SO1GBIII10 Model Acer Pa rt No Memory 2 Memory 3 Memory 4 HDD 1(GB) HDD 2(GB) AS5251- 1202G25Mn LX.PWJ02.005 SO1GBIII10 N N N250GB5.4K S N AS5251- 1202G16Mn LX.PWJ02.004 SO1GBIII10 N N N160GB5.
Appendix A 170 Aspire 5551G Model Acer Part No RO Country Descriptio n AS5551G- N834G50Mn LX.PUU02.02 1 EMEA Denmark AS5551G-N834G50 Mn W7HP64A TDK2 MC MADISON_PRO1GBCsk_3V3 2*2G/5 00_L/ 6L2.2/5R/CB_bgn_1.3C_GEs_ENS1 AS5551G- N834G50Mn LX.PUU02.02 0 EMEA T urkey AS5551G-N834 G50Mn EM W7HP64EMA TT R1 MC MADISON_PRO1GBCsk_3V3 2*2G/500_L/ 6L2.
171 Appendix A AS5551G- N534G50Mn LX.PUU02.00 5 AAP Australia/ New Zealand AS5551G-N534G50Mn W7HP64A T AU1 MC MADISON_PRO1GBCsk_3V3 2*2G/5 00_L/BT/ 6L2.2/5R/CB_bgn_1.3C_GEs_ES61 AS5551G- N534G50Mn LX.PUU02.00 4 AAP Australia/ New Zealand AS5551G-N534G50Mn W7HP64A T AU1 MC MADISON_PRO1GBCsk_3V3 2*2G/5 00_L/ 6L2.
Appendix A 172 AS5551G- P324G50Mn LX.PUS02.00 9 EMEA S pain AS5551G-P324G50Mn W7HP64A TES1 MC P ARK_XT512Csk_3V3 2*2G/500_L/6L 2.2/5R/ CB_bgn_1.3C_GEs_ES51 AS5551G- N834G50Mn LX.PUS02.00 8 EMEA S pain AS5551G-N834G50 Mn W7HP64A TES1 MC P ARK_XT512Csk_3V3 2*2G/500_L/6L 2.
173 Appendix A AS5551G- P324G50Mn LX.PUU02.016 AAP320 NLED 15.6 WXGAG MADISON_PR O 1G-DDR3 (64*16*8) SO2GBIII10 AS5551G- P324G32Mn LX.PUU02.015 AAP320 NLED 15.6 WXGAG MADISON_PR O 1G-DDR3 (64*16*8) SO2GBIII10 AS5551G- P324G50Mn LX.PUU02.012 AAP320 NLED 15.
Appendix A 174 AS5551G- P524G50Mn LX.PUS02.013 A TP520 NLED15.6 WXGAG P ARK_XT 512M- DDR3 (64*16*4) SO2GBIII10 AS5551G- N834G32Mn LX.PUS02.012 APN830 NLED15.6 WXGAG P ARK_XT 512M- DDR3 (64*16*4) SO2GBIII10 AS5551G- P524G50Mn LX.PUS02.01 1 A TP520 NLED 15.
175 Appendix A AS5551G- N832G32Mn LX.PUU01.003 N N N N32 0GB5.4 KS N AS5551G- N834G32Mi LX.PUU01.001 SO2GBIII10 N N N320GB5 .4 KS N AS5551G- N832G50Mn LX.PUU01.002 N N N N50 0GB5.4 KS N AS5551G- N834G50Mn LX.PUU02.019 SO2GBIII10 N N N500GB5 .4 KS N AS5551G- P524G64Mn LX.
Appendix A 176 AS5551G- P524G32Mi LX.PUS01.003 SO2GBIII10 N N N320GB5 .4 KS N AS5551G- P323G25Mi LX.PUS01.002 SO1GBIII10 N N N250GB5 .4 KS N AS5551G- N834G50Mn LX.PUS02.014 SO2GBIII10 N N N500GB5 .4 KS N AS5551G- P524G50Mn LX.PUS02.013 SO2GBIII10 N N N500GB5 .
177 Appendix A AS5551G- N832G50Mn LX.PUU01.002 NSM8XS N McAfee 5 in 1- Build in 3 rd WiFi 2x2 BGN AS5551G- N834G50Mn LX.PUU02.019 NSM8XS N McAfee 5 in 1- Build in 3 rd WiFi 2x2 BGN AS5551G- P524G64Mn LX.PUU02.018 NSM8XS N McAfee 5 in 1-Bu ild in 3rd WiFi 2x2 BGN AS5551G- P324G32Mn LX.
Appendix A 178 AS5551G- N834G50Mn LX.PUS02.014 NSM8XS N McAfee 5 in 1-Build in 3rd WiFi 2x2 BGN AS5551G- P524G50Mn LX.PUS02.013 NSM8XS N McAfee 5 in 1-Build in 3rd WiFi 2x2 BGN AS5551G- N834G32Mn LX.PUS02.012 NSM8XS N McAfee 5 in 1-Build in 3rd WiFi 2x2 BGN AS5551G- P524G50Mn LX.
179 Appendix A Aspire 5551 Model Acer Part No RO Country Description AS5551- P324G50Mn LX.PWK02.01 1 P A Canada AS5551-P324G50Mn W7HP64A TCA2 MC UMACkk_3 2*2G/500_L/6L2.2/5R/ CB_bgn_1.3C_GEk_FR8 1 AS5551- P323G32Mn LX.PWK02.010 P A Chile AS5551-P323G32Mn EM W7HP64EMA TCL3 MC UMACkk_3 2G+1G/ 320/6L2.
Appendix A 180 AS5551- N832G32Mn LX.PTQ02.021 TWN GCT WN AS5551-N832 G32Mn W7HP64A TTW1 MC UMACsk_3 1*2G/320/BT/6L2.2/5R/ CB_bgn_1.3C_GEs_TC1 1 AS5551- P323G25Mi LX.PTQ01.001 EME A Russia AS5551 -P323G25Mi W7HB64RUA TRU1 MC UMACsk_3 2G+1G/250/6L2.2/5R/ CB_bg_1.
181 Appendix A AS5551- N532G32Mn LX.PTQ02.004 AAP Australia/New Zealand AS5551-N532G32 Mn W7HP64A T AU1 MC UMACsk_3 1*2G/320/6L2.2/5R/ CB_bgn_1.3C_GEs_ES6 1 AS5551- N534G32Mn LX.PTQ02.003 AAP Australia/New Zealand AS5551-N534G32 Mn W7HP64A T AU1 MC UMACsk_3 2*2G/320/6L2.
Appendix A 182 AS5551- N832G32Mn LX.PTQ02.021 APN830 NLED15.6 WXGAG UMA N SO2GBIII10 AS5551- P323G25Mi LX.PTQ01.001 AAP320 NLED15.6 WXGAG UMA N SO2GBIII10 AS5551- P321G16Mn LX.PTQ0C.002 AAP320 NLED15.6 WXGAG UMA N SO1GBIII10 AS5551- P321G16Mn LX.PTQ0C.
183 Appendix A AS5551- P323G32Mn LX.PWK02.009 SO1GBIII10 N N N320GB5.4 KS N AS5551- P323G32Mn LX.PWK02.008 SO1GBIII10 N N N320GB5.4 KS N AS5551- P323G32Mn LX.PWK02.007 SO1GBIII10 N N N320GB5.4 KS N AS5551- P323G32Mn LX.PWK02.006 SO1GBIII10 N N N320GB5.
Appendix A 184 AS5551- N833G25Mn LX.PTQ02.016 SO1GBI II10 N N N250GB5.4 KS N AS5551- N834G32Mn LX.PTQ02.015 SO2GBI II10 N N N320GB5.4 KS N AS5551- N833G32Mn LX.PTQ02.014 SO1GBI II10 N N N320GB5.4 KS N AS5551- P324G25Mn LX.PTQ02.013 SO2GBI II10 N N N250GB5.
185 Appendix A AS5551- P323G32Mn LX.PWK02.002 NSM8XS N McAfee 5 in 1-Build in 3rd WiFi 2x2 BGN AS5551- P324G50Mn S2.PWK02.001 NSM8XS N McAfee 5 in 1-Build in 3rd WiFi 2x2 BGN AS5551- P52_BR3G2 5M_brn LX.PWP01.002 NSM8XS_ BR N McAfee 5 in 1-Build in 3rd WiFi 2x2 BGN AS5551- 1_BR3G25M _brn LX.
Appendix A 186 AS5551- N532G32Mn LX.PTQ02.004 NSM8XS N McAfee 5 in 1-Build in 3rd WiFi 2x2 BGN AS5551- N534G32Mn LX.PTQ02.003 NSM8XS N McAfee 5 in 1-Build in 3rd WiFi 2x2 BGN AS5551- N334G32Mn LX.PTQ02.002 NSM8XS N McAfee 5 in 1-Build in 3rd WiFi 2x2 BGN AS5551- N332G32Mn LX.
Appendix B 187 Test Compatible Components This computer ’s compat ibility is tested and verified by Acer ’s internal testing department. All of it s system functions are tested under Windows ® 7 environment. Refer to the following lists for components, adapter ca rds, and peripherals which have passed these tests.
188 Appendix B Microsoft ® Windows ® 7 Environment Test V endor Ty p e D escription Adapter 10001081 DEL T A 65W Adapter DEL T A 65W 19V 1.7x5.5x1 1 Y e llow ADP-65JH DB A, L V5 LED LF 10001023 LITE-ON 65W Adapter LITE-ON 65W 19V 1.7x5.5x1 1 Y ellow P A-1650- 22AC L V5 LED LF 60002015 HIPRO 65W Adapter HIPRO 65W 19V 1.
Appendix B 189 CPU 22554573 AMD AAN330 CPU AMD AthlonII N330 2.3G 1M 35W Dual-Core 22554573 AMD AAP320 CPU AMD AthlonII P320 2.1G 1M 25W Dual -Core 60002168 AMDISS AAP320_BR CPU AMD AthlonII P320 2.1G 1M 25W 2C (Brazil) 60002168 AMDISS AMDV120 CPU AMD - V120 2.
190 Appendix B 60002215 SAMSUNG N250GB5.4KS_BR HDD SAMSUN G 2.5" 540 0rpm 250GB M7, HM250 HI SA T A LF F/W:2AC101-C4 (Brazil) 60002215 SAMSUNG N250GB5.4KS_BR HDD SAMSUNG 2.5" 5400rpm 250GB HM251HI, M7E, 320G/P SA T A 8MB LF F/W:2AJ0002 60002036 SEAGA TE N320GB5.
Appendix B 191 10001038 CMO NLED15.6WXGAG LED LCD CMO 15.6"W WXGA Glare N156B6-L0B LF 220nit 8ms 650:1 10001022 INNOLUX NLED15.6WXGAG LED LCD INNOLUX 15.6"W WXGA Glare BT156GW01 V2 LF 220nit 8ms 600:1 60003316 AUO NLED15.6WXGAG_B R LED LCD AUO 15.
192 Appendix B 60002045 HYNIX SO2GBIII13 _BR Memory HYNIX SO-DIMM DDRIII 1333 2GB HMT125S6TFR8C-H9 LF 1 28*8 0.055um (Brazil) 60004668 ELPIDA SO4GBIII10 Memory NONE SO-DIMM DDRIII 1066 4GB dummy P/N LF ODD 610105 HLDS NBDCB4XS ODD HLDS BD COMB O 12.7mm Tray DL 4X CT21N LF W/O bezel 1.
Appendix B 193 WiFi Antenna 10000105 WNC PIFA PIF A Audio Codec 10004786 REAL TEK ALC272X Realtek Audio Codec ALC272X A cover 10000981 MISC Black IMR Black IMR 10000981 MISC Silver IMR A cover Silver .
194 Appendix B 23707801 FOXCONN TW 3rd WiFi BG Foxconn Wire less LAN Broadcom 4312H BG (HM) 23707801 FOXCONN TW 3rd WiFi BG Foxconn Wire lss LAN Atheros HB95BG (HM) T77H121.
Appendix C 195 Online Support Information This section describe s online techni cal support services a vailable to help yo u repair your Acer Systems. If you are a distributor , dealer , ASP or TPM, please re fer your technical queries to your local Acer branch office.
196 Appendix C.
197 A AFLASH Utility 33 Antennas Removing 94, 96 Replacing 98 B Battery Replacing 135 Battery Pack Removing 47 BIOS ROM type 16 vendor 16 BIOS Utility 25–33 Advanced 28 Boot 31 Exit 32 Navigating 25.
198 LCD Brackets Removing 91 Replacing 100 LCD Cable Replacing 100 LCD Failure 141 LCD Module Disassembly Flowchart 84 LCD Module Reassembly Procedure 98 LCD Panel Removing 90 Replacing 100 Left S pea.
199 Removing 61 Replacing 124 utility BIOS 25–33 W Windows 2000 Environ ment T est 188 Wireless Function Failure 148 WLAN Module Removing 54 Replacing 129.
200.
An important point after buying a device Acer 5551 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Acer 5551 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Acer 5551 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Acer 5551 you will learn all the available features of the product, as well as information on its operation. The information that you get Acer 5551 will certainly help you make a decision on the purchase.
If you already are a holder of Acer 5551, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Acer 5551.
However, one of the most important roles played by the user manual is to help in solving problems with Acer 5551. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Acer 5551 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
