Instruction/ maintenance manual of the product 8531 Acer
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TravelMate 8571/8531 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.
2 Revision History Please refer to the table below for the up dat es made on TravelMate 8571/8531 service guide. Date Chapter Updates.
3 Copyright Copyright © 2009 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any l.
4 Conventions The following conventi ons are used in this manual: SCREEN MESSAGES Denotes actual messages that appe ar on screen. NOTE Gives bits and pieces of additional information related to the current topic. W ARNING Alerts you to any damage that might result from doing or not doing specific actions.
5 Preface Before using this information and the product it s upports, please read the fo llowing general info rmation. 1. This Service Guide provides you with all techni cal information relating to the BASIC CON FIGURA TION decided for Acer's "glo bal" product offering.
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1 T able of Contents System Specifications 1 System Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Board Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 T able of Contents Memory check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Power System Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Touchpad Check .
Chapter 1 1 Features Below is a brief summary of the computer ’s many features: Operating system Genuine Windows Vista ® * Genuine Windows ® 7* NOTE: Windowsl ® Vista ® Cap able PCs come wi th Windows ® XP installed, and can be upgraded to Windows ® Vista ® .
2 Chapter 1 Storage subsystem 2.5" hard disk drive* 2.5” solid state drive* DVD-Super Multi double-layer drive Multi-in-1 card reader Communication Integrated Acer Crystal Eye webcam* WLAN: z Intel ® Wireless WiFi L ink 5100* z Acer InviLink™ Nplify™ 802.
Chapter 1 3 Microphone-in jack Ethernet (RJ-45) port DC-in jack for AC adapter Environment T emperature: z operating: 5°C to 35°C z Non-operating: -20°C to 65°C Humidity (non-condensing): z operating: 20% to 80% z Non-operating: 20% to 80% NOTE: "*" only for certain models.
4 Chapter 1 System Block Diagram TSSOP 64P ALCOR AU6433B52 CR Board HP-OUT/MIC-IN LINE-IN/SPDIF Analog Out (ALC269X) RJ45 AC JACK 19V RTL8111CA P.33 PCI-Express x1 2.5GHz-----Port 3 P.35 SSD HDD SATA 150 P.33 USB2 P.33 USB4 P.32 Flash ROM Port 3G USB3 USB6 P.
Chapter 1 5 Board Layout Top View T ravelMate 8571/8531 M/B layo ut and connector location TOP view No. Name Description 1 CN1 CCD cable CNTR 2 CN2 MMB cable CNTR 3 CN3 L VDS cable CNTR 4 CN4 Keyboard.
6 Chapter 1 Bottom View T ravelMate 8571/8531 M/B layo ut and connector location Bottom view No. Name Description 1 1 CN9 Battery CNTR 12 CN10 PCI-E socket 13 CN1 1 SIM card socket 14 CN12 PCI-E socke.
Chapter 1 7 Y our Acer Notebook tour After setting up your computer as illustrated in the Just for S tarters... poster , let us show you around your new Acer notebook. Top View No. Icon Item Description 1 Acer Crystal Eye webcam Web camera for video communication.
8 Chapter 1 Closed Front View 7 Click buttons (left, center* and righ t) The left and right butto ns function like the left and right mouse buttons. *The center button serves as Acer Bio-Protection fi ngerprint reader supporting Acer FingerNav 4-way control function (only for certain models).
Chapter 1 9 Rear view Left View 2M u l t i - i n - 1 card reader Accepts Secure Digita l (SD), MultiMediaCard (MMC), Memory S tick (MS), Memory S tick PRO (MS PRO), xD-Picture Card (xD). NOTE: Push to re move/install the card. Only one card can operate at any given time.
10 Chapter 1 Right View 6 Microphone-in jack Accepts inputs from external microphones. Headphones/ speaker/line-out jack Connects to audio line-out devi ces (e.g., sp eakers, headphones). No. Icon Item Description 1 USB 2.0 port Connects to USB 2.0 devices (e.
Chapter 1 11 Base view No. Icon Item Description 1 Battery bay Houses the computer's battery pack. 2 Battery lock Locks the battery in position. 3 Memory compartment Houses the computer's main memory . 4 Hard disk bay Houses the computer 's hard disk (secured with screws).
12 Chapter 1 Touchpad Basics (with fingerprint reader) The following items show you how to use the to uchp ad with Acer Bio- Protection fingerprin t reader . Move your finger across the touchpad (1) to move the cursor . Press the left (2) and right (4) buttons located beneath the touchpad to perform selection and execution functions.
Chapter 1 13 Touchpad basics (with two-click buttons) The following items show you how to use the touchpad with two-click buttons. Move your finger across the touchpad to move the cursor . Press the left and right buttons located bene ath th e touchpad to perform selection and execution functions.
14 Chapter 1 Using the Keyboard The keyboard has full-sized keys and an embedd ed numer ic keypad*, separate cursor , lock, Windows, function and special keys. Lock Keys and embedded numeric keypad* The keyboard has three lock keys which yo u can toggle on and off.
Chapter 1 15 Windows Keys The keyboard has two keys that perform Wi ndows-specific functions. Key Description Windows key Pressed alone, this key has the same effect as clicking on the Windows S tart button; it launc hes the St art menu.
16 Chapter 1 Hot Keys The computer employs hotkeys or key combinations to access most of the computer 's controls like screen brightness and volu me output. T o activate hot keys, press and hold th e < Fn> key before pressing the other key in the hotkey combination.
Chapter 1 17 Using the system utilities Acer Bio-Protection (o nly for certain mo dels) Acer Bio-Protection Fi ngerprint Solution is a multi-purp ose fi ngerprint software package integrated with the Microsoft Windows operating system.
18 Chapter 1 Acer GridVista (dual-display compatible) NOTE: This feature is only available on certain models. T o enable the dual displ ay feature of your notebook, fi rst ensure that a second display.
Chapter 1 19 3. Enjoy the convenience of a well-orga nized desktop. NOTE: Please ensure that the resol ution setting of the second monitor is set to the manufacturer' s recommended value. Acer Backup Manager NOTE: This feature is only available on certain models.
20 Chapter 1 Power management This computer has a built-in powe r management unit that monitors system activity . System activity refers to any activity involving one or more of the following devices: keyboard, mouse, hard disk, peripherals connected to the computer , and vide o memory .
Chapter 1 21 Burn backup discs From the Backup page of Acer eRecovery Management , you can burn the factory default image or back up drivers and applications. 1. Click on St art > A ll Programs > A cer > Acer eRe covery Management . 2. Acer eRecovery Management opens to the Backup page.
22 Chapter 1 3. Y ou can choose to restore the syst em from a factory default image or re install applications and drivers. 4. Follow the instruction s on screen to compl ete the process.
Chapter 1 23 Hardware Specifications and Configurations Processor Second Level Cache System Memory Lan Interface Wireless LAN Pointing Device Item Specification Processor packing uFCPGA Support Processor @ Launch UL V Centrino, PDC, ICPM On-die L2 Cache Up to 6 MB FSB 1.
24 Chapter 1 Bluetooth Interface Hard Disk Drive Interface Audio Interface LCD panel Card Slot WebCAM Item Specification Module Foxconn Bluetooth BRM 2046 BT2.1 (T60H928 .33) f/ w:861 Antenna on board controller CSR Bluetooth module Interna l USB 2.0 compliant interface Item Specification HDD form factor 9.
Chapter 1 25 Keyboard I/O Button Software Power Management LED Status Indicator Item Specification Controller Non-glossy JM31 KB T ype (A V AP) Norm al key 1.
26 Chapter 1 Security Features FAN Physical Characteristics Item Specification TPM 1 Finger print Optional PBA 1 Item Specification Not Noise as low as possible Number 1 Item Specification Dimensions 358.2X1 15.4X4.8mm Thickness (maximum) 23.3 ~ 27.9mm Weight (incl 1st Battery & super multi ODD) < 1.
Chapter 2 27 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 already properly configu red and optimi zed, and you do not need to run this utility .
28 Chapter 2 Invoking BIOS Setup The setup function can only be invoked by pressing F2 when Press <F2> to enter Setup message is prompted on the bottom of screen during POST . The setup uses a menu driven interfac e to allow the user to configure their system.
Chapter 2 29 Main The Main screen disp lays a summary of your computer hardware information, and also inclu des basic setup parameters. It allows the user to specif y st andard IBM PC A T system parameters. NOTE: The screen above is for your reference only .
30 Chapter 2 The table below describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings. NOTE: The sub-items under each device wil l not be shown if t he device control is set to d isable or auto. This is because the user is not allowed to control the settings in these cases.
Chapter 2 31 Security The Security screen co ntains parameters that help sa feguard and protect your co mpu ter from unauthorized use..
32 Chapter 2 The table below describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings. NOTE: When you are prompted to enter a password, you ha ve three tries be fore the system halts. Don’t forget your password.
Chapter 2 33 4. If desired, you can opt to enable the Password on boot parameter . 5. When you are done, press u to save the changes and exit the BIOS Setup Uti lity . Removing a Password Follow these steps: 1. Use the w and y keys to highlight the Set Supervisor Password parameter and press the e key .
34 Chapter 2 If the current password entered does not match the actual current password, the screen will show you the Setup W arnin g. If the new password and confirm new password strings do not match, the screen will display the following message. Boot This menu allows the user to deci de the order of boot de vices to load the operatin g system.
Chapter 2 35 Exit The Exit screen contains parameters that help safegua rd and protect your computer from unauthorized use. The table below describes the parameters in this screen. Parameter Description Exit Saving Changes Exit System Setup and save your changes to CMOS.
36 Chapter 2 BIOS Flash Utility The BIOS flash memory upd ate is required for th e following conditions: New versions of system programs New features or options Restore a BIOS when it becomes corrupted. Use the Phlash util ity to update the system BIOS flash ROM.
Chapter 3 37 This chapter contains st ep-by-step procedures on how to disassem ble the notebook computer TravelMate 8571/8531 for maintenance and troubleshooting .
38 Chapter 3 General Information Before You Begin 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 39 Disassembly Procedure Flowchard The flowchart on the succeed ing page gives you a graphic represen tation on the entire disassembly sequen ce and instructs you on the components that need to be remo ved during servicing .
40 Chapter 3 Removing the Battery Pack 1. Release the battery lock. 2. Slide the battery latch then remove the battery . NOTE: Battery has been highlighted with th e yellow circle as above image shows. Please detach the battery and follow local regulation s for disposal.
Chapter 3 41 Removing the HDD and RAM 1. Remove two screws on the HDD cover and remove HDD. Ty p e N u m b e r M2*5(4.5D*0.8T) 2.
42 Chapter 3 2. Remove the screw on RAM cover and remove RAM. 3. Remove RTC battery . NOTE: RTC battery has been highlighted with the yellow circ l e as above image shows. Please detach the RTC battery and follow local regulations for disposal. Ty p e N u m b e r M2*5(4.
Chapter 3 43 4. Remove the wireless card. 5. Remove ODD..
44 Chapter 3 6. Use the sleeve to remove the rubber and remove all of the scre w on the back of BAP41 Ty p e N u m b e r M2*5(4.5D* 0.8T) 13(Re d) Ty p e N u m b e r M2*5(4.
Chapter 3 45 Remove Keyboard 1. Disconnect six latches on the keyboard. 2. Remove the FFC behind the keyboard..
46 Chapter 3 Remove FFC of main board and sub board 1. Remove screws and FFC on the upper case. Ty p e N u m b e r M2*5(4.5D*0.8T) 8.
Chapter 3 47 2. Remove Power board..
48 Chapter 3 3. Remove the FFC and screw on the Wireless board. 4. Remove the FFC on the panel and remove Card reader board. Ty p e N u m b e r M2*5(4.
Chapter 3 49 5. Remove connector on the audio board and remove two screws on it. 6. Remove the cable on the back of audio board. 7. Remove the connector of Blue tooth.
50 Chapter 3 8. Remove the cable of LCD and Connector of Fan. 9. Remove the mainboard..
Chapter 3 51 Remove Panel 1. Remove four screws on the button of panel and remove the panel. 2. Ty p e N u m b e r M2*5(4.5D*0.8T) 1.
52 Chapter 3 3. Remove four sponges on the LCD an d remove four screws un der them. 4. Remove the bazel on the panel and remove four screws on it. Ty p e N u m b e r M2*4(4.
Chapter 3 53 5. Remove LCM cable on the back of panel..
54 Chapter 3 Disassembling the External Module Disassembling the HDD Module 1. Remove HDD bezel and g et HDD out of cover ..
Chapter 4 55 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 errors and invalid system responses.
56 Chapter 4 System Check Procedures External Diskette Drive Check Do the following to isolate the problem to a controller, dr iver , or diskette. A write-ena bled , diagnostic diskette is required. NOTE: Make sure that the diskette does not have more than on e label attached to it.
Chapter 4 57 Memory check Memory errors might stop system operations, show error messages on the screen, or hang the system. 1. Boot from the diagnostics diskette and start the doa gmpstotics prog ram (please refer to mai n board. 2. Go to the dia gnostic memory in the test items.
58 Chapter 4 From Hardware: 1. Power off the computer . 2. Remove the battery pack and measure the voltage between battery terminal s 1(+) and 6(ground ). See the following figure. 3. If the voltage is still less than 7.5 Vdc after recharging, replace the battery .
Chapter 4 59 Power-On Self-Test (POST) Error Message The POST error message index lists the error message and their possible causes. The most like ly cause is listed first.
60 Chapter 4 Index of Error Messages Error Code List Error Message List Error Codes Error Messages 006 Equipment Configuration Error Causes: 1. CPU BIOS Update Code Mismatch. 2. IDE Primary Channel Master Drive Error . (THe causes will be shown be fore “Equipment Configuration Error”) 010 Memory Error at xxxx:xxxx:xxxxh ( R :xxxxh, W:xxxxh) .
Chapter 4 61 System battery is dead - Replace and run Setup Replace RTC battery and Run BIOS Setup Utility to reconfigure system time, the n reboot system. System CMOS checks um bad - Defa ult configuration used RTC battery Run BIOS Setup Utility to reconfigure system time, then reboot system.
62 Chapter 4 Error Message List Invalid System Configuration Data BIOS ROM System board I/O device IRQ conflict Run “Load Default Settings” in BIOS Setup Utility . RTC battery System board Operating system not foun d Enter Setup and see if fixed disk and driv e A are properly identified.
Chapter 4 63 InsydeH2O BIOS Beep Codes Code Beeps POST Routine Description 02h V erify Real Mode 03h Disable Non-Mask able Interrupt (NMI) 04h Get CPU type 06h I nitialize system hardware 08h Initiali.
64 Chapter 4 45h POST device initialization 46h 2-1-2-3 Check ROM copyright notice 48h Check video configuration ag ainst CMOS 49h Initialize PCI bus a nd devices 4Ah I nitialize all video adapters in.
Chapter 4 65 8Ah I nitialize Extended BIOS Data Area 8Bh T est and in itialize PS/2 mouse 8Ch Initialize floppy con troller 8Fh Determine number of A T A drives (optional) 90h Initialize hard-disk con.
66 Chapter 4 C5h PnPnd dual CMOS (opti onal) C6h Initialize notebook docking (optiona l) C7h Initialize notebook docking late C8h Force check (optional) C9h Extended checksum (optional) D2h Unknown in.
Chapter 4 67 Index of Symptom-to-FRU Error Message LCD-Related Symptoms Indicator-Related Symptoms Power-Related Symptoms Symptom / Err or Action in Sequence LCD backlight doesn' t work LCD is to.
68 Chapter 4 PCMCIA-Related Sy mptoms Memory-Related Symp toms Speaker-Rel ated Symptoms Power Management-Related Symp toms The system doesn’t power-off. Power source (battery p ack and power adapter). See “Power System Check” on page 57. Hold and press the power switch for more than 4 seconds.
Chapter 4 69 Peripheral-Related Symptoms Keyboard/Touchpad- Related Symptoms The system doesn't resu me from hibernation mode. Hard disk connection b oard Hard disk drive System board The system doesn't resume from standby mode after opening the LCD.
70 Chapter 4 Modem-Related Symptoms NOTE: If you cannot find a symptom or an error in this list and the problem remains, see “Undete rmined Problems” on page 72. T ouchpad does not work. Reconnect touchpad cable. T ouchpad board System board Symptom / Error Action in Sequence Internal modem does not work correctly .
Chapter 4 71 Intermittent Problems Intermittent system hang problems can be caused by a variety of reasons th at have nothing 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.
72 Chapter 4 Undetermined Problems The diagnostic proble ms does not identify wh ich adapter or device failed, which in stalled devices are incorrect, whether a short circuit is suspected, or whether the system is inoperative. Follow these procedure s to isolate the fail i ng FRU (do not isolate non-defective FRU).
Chapter 5 73 Top View T ravelMate 8571/8531 M/B layo ut and connector location TOP view No. Name Description 1 CN1 CCD cable CNTR 2 CN2 MMB cable CNTR 3 CN3 L VDS cable CNTR 4 CN4 Keyboard CNTR 5 CN5 .
74 Chapter 5 Bottom View T ravelMate 8571/8531 M/B layo ut and connector location Bottom view No. Name Description 1 1 CN9 Battery CNTR 12 CN10 PCI-E socket 13 CN1 1 SIM card socket 14 CN12 PCI-E sock.
Chapter 6 75 This chapter gives you the FRU (Field Replaceable Unit) listing in global configurati ons of T ravelMate 8571 / 8531. Refer to this chapter when ever orderi ng for parts to rep air or for RMA (Return Merchandi se Authorization).
76 Chapter 6 TravelMate 8571/8531 Exploded Diagram 13 6 2 4 10 11 12 1 ITEM PART NO DESCRIPTION Q'ty 1 1510B0764401 ASSEMBLY,WIFI 1 3 1510B0769212 ASSEMBLY,DISPLAY 1 4 1510B0769424 ASSEMBLY,BASE,.
Chapter 6 77.
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Chapter 6 79 TravelMate 8571/8531 FRU List Accessory Adapter Battery Board Category Part Name and Description Acer Part No . WIRELESS ANTENNA RIGHT 50.TTX0N.014 WIRELESS ANTENNA LEFT 50.TTX0N.015 Category Part Name and Description Acer Part No . ADAPTER DEL T A 65W 19V 1.
80 Chapter 6 LAN INTEL WLAN 512AG_HMWG SHIRLEY PEAK 5100 MM#897072 KI.SPH01.005 WIRELESS LAN BOARD 512AN_HMWG SHIRLEY PEAK 5100 MM#895373 (HALF MINI-CARD) KI.SPH01.003 Foxconn Wireless LAN Atheros HB93 1x2 BGN (HM) NI.23600.046 BLUETOOTH BOARD Foxconn BRM 2046 BT2.
Chapter 6 81 Cable TOUCH P AD BUTTON BOARD W/FP 55.TTX0N.009 TOUCH P AD BUTTON BOARD WO/F P 55.TTX0N.010 HOTKEY BOARD 55.TTX0N.01 1 HDD TRANSFER BOARD 55.TTX0N.012 Category Part Name and Description Acer Part No . POWER CORD 3PIN USA 27.AAMVN.001 POWER CORD 3PIN EUR 27.
82 Chapter 6 AUDIO BOARD CABLE 50.TTX0N.004 SSD CONNECTER CABLE 50.TTX0 N.005 CARD READER BOARD CABLE 50.TTX0N.006 DC IN BOARD CABLE 50.TTX0N.007 DC IN BOARD FFC 50.TTX0N.008 TOUCH P AD BUTTON BOARD CABLE 12P 50.TTX 0N.009 HDD TRANSFER BOARD CABLE 50.
Chapter 6 83 Camera CASE/COVER/BRACKET ASSEMBLY Category Part Name and Description Acer Part No . CCD 1.0M SUYIN CN1014-S36D-OV05 -R LA VENDER_G 57.PCR0N.001 CCD MODULE 1.0M CHICONY 57.TTX0N.001 Category Part Name and Description Acer Part No . TOUCH P AD BRACKET 60.
84 Chapter 6 DVD RW DRIVE HDD HOLDER 42.TLK0N.006 HDD CONNECTOR 20.TLK0N.001 LCD COVER 15.6" W/CCD 60.TTX0N.012 LCD BEZEL 15.6" W/CCD 60.TTX0N.013 LCD COVER 15.6" WO/CCD 60.TTX0N.014 LCD BEZEL 15.6" WO/CCD 60.TTX0N.015 LCD HINGE R 33.
Chapter 6 85 HDD/SSD HEATSINK Category Part Name and Description Acer Part No . HDD 160GB 5400RPM SA T A SEAGA TE ST9160310AS CORSAIR LF F/W:30303 KH.16001.034 HDD TOSHIBA 2.5" 5400RPM 160GB MK1655GSX LIBRA SA T A LF F/W: FG01 1J KH.16004.006 HDD HGST 2.
86 Chapter 6 KEYBOARD Category Part Name and Description Acer Part No. Keyboard ACER TM7T BAP51 Internal 17 S tandard 105KS Black Arabic T exture KB.I170A.087 Keyboard ACER TM7T BAP51 Internal 17 S tandard 106KS Black Belgium T exture KB.I170A.088 Keyboard ACER TM7T BAP51 Internal 17 S tandard 106KS Black Brazilian Portuguese T exture KB.
Chapter 6 87 LCD MIAN BOARD Keyboard ACER TM7T BAP51 Internal 17 S tandard 106KS Black US w/ Canadian French T exture KB.I170A.1 13 Category Part Name and Description Acer Part No . LED LCD AUO 15.6"W WXGA None Glare B156XW03 V2 LF LK.15605.006 LED LCD LPL 15.
88 Chapter 6 MEMORY MICROPHONE MISCELLANEOUS Category Part Name and Description Acer Part No . Memory MICRON SO-DIMM DDRIII 1066 1GB MT8JSF12864HY -1G1D 1 LF 64*16 0.07um KN.1GB04.003 Memory ELPIDA SO-DIMM DDRIII 1066 1GB EBJ1 1UE6BBS0-AE-F LF 64*16 0.
Chapter 6 89 SCREW SPEAKER RUBBER UPPER LEFT 47.TTX0N.006 RUBBER MIDDLE DOWN 47.TTX0N.007 NAMEPLA TE TM8571 40.TTX0N.001 NAMEPLA TE TM8531 40.TTX0N.002 Category Part Name and Description Acer Part No . SCREW M2.5*4 86.TTX0N.001 SCREW M4.5*0.8 86.TTX0N.
90 Chapter 6.
An important point after buying a device Acer 8531 (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 8531 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 8531 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Acer 8531 you will learn all the available features of the product, as well as information on its operation. The information that you get Acer 8531 will certainly help you make a decision on the purchase.
If you already are a holder of Acer 8531, 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 8531.
However, one of the most important roles played by the user manual is to help in solving problems with Acer 8531. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Acer 8531 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
