Instruction/ maintenance manual of the product ENTJ76 Acer
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ENTJ75 / ENTJ76 / ENTJ77 / ENTJ78 SERVICE GUIDE.
Revision History Please refer to the table be low for th e updates made on the ENT J75 / ENTJ 76 / ENTJ77 / ENTJ78 service guide. Service guide files and updates are available on the ACER/CSD web. For more info rmation, refer to ht tp://csd.acer .com.
Contents i Chapter 1: System specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Conventions . . . . . .
Contents ii Navigating the BIOS setup utility . . . . . . . . . . . . . . . . . . . . . . . 29 BIOS setup utility menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 BIOS recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . .
iii www.packardbell.com Chapter 4: Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 Diagnosing problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116 System test procedures .
Contents iv.
CHAP TER 1 1 System specifications • Preface • Features • System block diagram • Hardware specificati ons and configurations • Notebook product tour.
CHAPTER 1: System specifications 2 Preface Conventions The following conventions ar e used in this manual: General information Before using this info rmation and the pr oduct it supp orts, rea d the following general information.
www.packardbell.com 3 Features Platform • Processor • Intel Core i3 Proc essors: 33 0M (2.13 GHz), M620 (2.5 G Hz), 350M (2.26 GHz) • Intel Core i5 Proc essors: 43 0M (2.26 GHz), 520M (2.4 GHz), 540M (2.53 GHz) • Intel Core i7 Proc essors: 62 0M (2.
CHAPTER 1: System specifications 4 Input devices • 99-, 100-, or 10 3-key keyboar d, 2.5 mm (minimum) key travel • T welv e function keys , four cursor keys, two Wind ows ® keys • T ouchpad poi.
www.packardbell.com 5 Physical specifications • Dimensions: 372 × 259 × 26 / 37 mm (14.65 × 10.2 × 1.02 / 1.46 in) • Weight: 3.1 kg (6.83 lb) Environment al specificatio ns • T emperature .
CHAPTER 1: System specifications 6 System block diagram.
www.packardbell.com 7 Hardware specifications and configurations CPU Controllers BIOS Item S pecifica tion CPU type n Intel Core i3 Processors: 330M (2.13 GHz), M620 (2.5 GHz), 350M (2.26 GHz) n Intel Core i5 Processors: 430M (2.26 GHz), 520M (2.4 GHz), 540M (2.
CHAPTER 1: System specifications 8 Memory Supported protocols n ACPI 1.0b/2.0/3.0 compliance n PCI 2.2 n System/HDD password n Security Control n INT 13H Extensions n PnP BIOS 1.0a SMBIOS 2.4 n BIOS Boot S pecification n Simple Boot Flag 1.0 n Boot block n PCI Bus Power Management Interface S pecification n USB S pecification 1.
www.packardbell.com 9 Hard disk drive Optical drive Item Models Seagate ST9160314AS To s h i b a MK1655GSX HGST HTS545016B9A 300 WD WD1600BEVT- 22ZCTO Seagate ST925031 5AS To s h i b a MK2555GSX HGST .
CHAPTER 1: System specifications 10 LCD Applicable disc format CD: CD-DA, CD-ROM, CD-ROM XA, Photo CD (multi -session), Video CD, Cd-Extra (CD+), CD-text DVD: DVD-VIDEO, DVD-ROM, DVD-R (3.
www.packardbell.com 11 Keyboard Pointing device Memory card reader Response time (msec) 8 Nominal input voltage VDD +3.3V Viewing angle (degree) Horizontal: Right/Left V ertical: Upper/Lower 45/45 15/.
CHAPTER 1: System specifications 12 Audio Wired LAN Bluetooth Item S pecification Audio codec Realtek ALC272 Audio onboard or optional Built-in Mono or stereo S tereo Resolution 24-bit DAC and ADC Com.
www.packardbell.com 13 Wireless LAN USB Buttons/Indicators/Ports Item S pecificat ion Chipset n Intel WiFi Link 5100 n Intel WiFi Link 5300 n Atheros AR5B91/HB93 b/g/n n Atheros XB63 b/g n WNC WiMAX Data throughput 1 1~54 Mbps, up to 270 Mbps for Draft-N Protocol n IEEE 802.
CHAPTER 1: System specifications 14 Camera Fans Throttling 50%: % is controlled by operati ng system. T emper ature point is 95 °C. OS sh ut down at 100 °C; H/W shut down at 105 °C Battery Item S pecification Model Chicony 0.3M DV Calla / Camellia Interface USB 2.
www.packardbell.com 15 Power supply Power savings Item S pecificat ion V endor n Delt a n Liteon n Hipro Input rating 90V AC to 264 V AC, 47Hz to 63Hz Maximum input AC current 1.7A (max) Output rating 19V DC, 3.42A, 65W ACPI mode Pow er Management Mech.
CHAPTER 1: System specifications 16 Notebook product tour Front V iew Left V i ew Important Case color may vary from that shown in the pictures. Component Icon Description V entila tion fan Helps cool internal components. W arning: Do not work with the notebook resting on your lap.
www.packardbell.com 17 Right V iew USB port Plug USB devices (such as a disk ette drive, flash drive, printer , scanner , camera, keyboard, or mouse) into these ports. Microphone jack Plug a microphone into this jack. Headphone jack Plug amplified speakers or head phones into this jack.
CHAPTER 1: System specifications 18 Rear V iew Bottom V iew Component Icon Description V entila tion fan Helps cool internal components. W arning: Do not work with the notebook resting on your lap. If the air vents are blocked, the notebook may become hot enough to harm your skin.
www.packardbell.com 19 Keyboard area Hard drive bay The hard drive is located in this bay . V entilation slots and cooling fan Helps cool internal components. W arning: Do not work with the notebook resting on your lap. If the air vents are blocked, the notebook may become hot enough to harm your skin.
CHAPTER 1: System specifications 20 LCD p anel T ouchpad Provides all the f unctionality of a mouse. For more information, see “Using the touchpad” on page 25 . Capacitive touch keys Press to access capacitive touch key fun ction. For more information, see “Using the capacitive touch keys” on page 24 .
www.packardbell.com 21 Using the status indicators S tatus indicators inform you when a drive is being used or when a button has been pressed that af fects h ow the keyboard is used.
CHAPTER 1: System specifications 22 Key types The keyboard has several d iffer ent types of keys. Some keys perform specific actions when pressed a lone and other actions when pressed in combination with another key .
www.packardbell.com 23 T urn the optional Bluetooth ra dio on or off. W arning: Radio frequency wireless communication can interfere with equipment on commercial aircraft. Current aviation regulations require wireless devices to be turned off while trave ling in an airplane.
CHAPTER 1: System specifications 24 Using the capacitive touch keys Button Description PowerSave key—Press to put the notebook into power-saving mode. The button lights up red when this happens. Press this key again to return to your previous settings.
www.packardbell.com 25 Using the touchpad When you move your finger on the touchp ad, the pointer (arrow) on th e screen moves in the same direction. Y ou c an use the scr oll zone to scroll thr ough documents. Use of the scroll zone may vary from program to pr ogram.
CHAPTER 1: System specifications 26 Using the webcam Y ou can use the optional webcam wi th many of the a vailable Internet chat programs to add vide o and audio to your cha t session. In addition, by using the software in cluded with the webcam, you ca n t ake pictur es or create video clip s.
CHAP TER 2 27 System utilities • BIOS setup utility • BIOS recovery • Clearing a BIOS password • Unlocking the hard drive.
CHAPTER 2: System utilities 28 BIOS setup utility The BIOS setup utility is a hardware configur ation program built in to the notebook’s BIOS (Basic Input/Output System). Th e notebook was shipped already pr operly configured and op timized. However , if the user enco unters configurat ion problems, you may need to run Setup.
www.packardbell.com 29 Navigating the BIOS setup utility Use the keys listed in th e legend bar on the bottom of th e Setup screen to work your way through the vario us menu and subme nu screens. T o use the BIOS setup utility: • T o choose a menu, use the lef t ← and right → arrow keys.
CHAPTER 2: System utilities 30 Information The Information men u displays a summary of your computer hard ware information. These information are ne cessary for troubleshooting and may be requir ed when asking for technical suppo rt. Parameter Descript ion CPU T y pe Displays the processor model and speed.
www.packardbell.com 31 Main Use the Main menu to set the system time and date , and other basic options. Parameter Descript ion Format/Opt ions System T ime Displays the system ti me. The time is expressed in a 24-hour format. HH:MM:SS (hour:minute:second) System Date Displays t he system date.
CHAPTER 2: System utilities 32 Security Use the Security menu option to set syst em passwords to protect yo ur computer from unaut horized use. . D2D Recovery Enables or disable s the D2D Recovery function. This function a llows the user to create a hidden partition on the hard drive to store the operation system.
www.packardbell.com 33 Setting a password Note the followin g reminders before you def ine a system password: • The maximum length of p assword cont ains 8 alphanum eric characters. • System passwords are case-insensitive. • When typing the p assword, only shad ed blocks representing ea ch typed character are visible.
CHAPTER 2: System utilities 34 3 Retype the password to verify the fi rst entry , then pr ess Enter . Y ou will be prompted to save the new password. 4 Press Enter . 5 Press F10 to save the password and close the Setup Utility or you can proceed to se tting a user p assword.
www.packardbell.com 35 Removing a passwo rd T o remove a p assword: 1 Press ↑ or ↓ to highlight the Set Supervisor Password or Set User Password field, then press Enter . The Set Supervisor Password or Set User Password box opens. 2 T yp e the current passwor d, then pres s Enter .
CHAPTER 2: System utilities 36 Boot Use the Boot menu to set the preferred driv e sequence in whic h the Setup utility attempts to bo ot the operating system. T o set boot drive sequence : 1 Press ↑ or ↓ to highlight a boot able device. 2 Press F5 or F6 to move the selected device up or down the boo t sequence.
www.packardbell.com 37 Exit The Exit menu screen lists options for quitting from the Setup Utility . Option Description Exit Saving Changes Save s changes made and closes the Setup utility . Keyboard shortcut: F10 Exit Discarding Changes Discards changes made and closes the Setup utili ty .
CHAPTER 2: System utilities 38 BIOS recovery An interruption during a BIOS flash p roc edure (e .g. a powe r out age) can corr upt the BIOS co de, which will cause the sy stem to go into an unbootable stat e. Y ou need to access and execute the boot blo c k program to reboot the com puter and recover the regular BIOS code.
www.packardbell.com 39 Running the Flash utility: T o run the Flash utility: 1 Rename the BIOS f ile as “XXXXXXX.FD”. 2 Copy the “XXXXXXX.FD” file to a bootable USB device containing the Crisis Recovery disk files.
CHAPTER 2: System utilities 40 Clearing a BIOS p assword T o clear a lost BIOS password (user or supervisor passwo rd) you need to short the clear p assword hardware gap (G102) located on the system b oard. T o clear a BIOS password: 1 T urn of f the notebook and unplug all the periph erals connected to it.
www.packardbell.com 41 Unlocking the hard drive T o regain access to your computer if you lose the HDD password, you ne ed to generate a master password and unlock the h ard drive. T o unlock a hard drive: 1 Open the computer in a DOS environmen t. 2 T ype the following command: A> unlock6 XXXXX 00 3 Press Enter to display the command options.
CHAPTER 2: System utilities 42.
CHAP TER 3 43 Replacing notebook components • Preventing static electricity dischar ge • Preparing the work space • Required tools • Preparing the notebook • Adding or replacing memory modul.
CHAPTER 3: Replacing n otebook component s 44 Preventing st atic electricity discharge The component s inside your note book are ex tremely sensitive to st atic electricity , also known as electrostatic discharge (ESD).
www.packardbell.com 45 Prep aring the work sp ace Before performing maintenance on th e notebook, make sure that your work sp ace and the notebook are correctly prep ared. • Wear a gr ounding (ESD) wr ist strap, and use a gr ounded or dissip ative work mat.
CHAPTER 3: Replacing n otebook component s 46 Required tools T o disassemble the notebook, you need the following tools: • Wrist gr ounding strap ( for ESD prevention) • Conductive m at (for ESD p.
www.packardbell.com 47 Prep aring the notebook T o prepare the noteboo k for maintenance: 1 Make sure that the optic al disc drive is emp ty . 2 T urn of f the notebook. 3 C lose the LCD panel. 4 Disconnect th e AC adapter . 5 Disconnect the network cable and all peripheral de vices connected to the notebook.
CHAPTER 3: Replacing n otebook component s 48 Removing the battery T o remove the battery: 1 T urn the noteb ook over so the base is facing up. 2 Slide the battery lock to the u nlocked position. 3 Slide the battery release latch (a ) , then remove the b attery out of the notebook (b) .
www.packardbell.com 49 Removing the bay cover T o remove or replace component s located on the lower bay , you need to remove the bay cover first. T ools you need to complete this task: T o remove the bay cover: 1 Complete the steps in “Prepar ing the notebo ok” on pag e 47 .
CHAPTER 3: Replacing n otebook component s 50 Adding or replacing memory modules T ools you need to complete t his t ask: T o add or replace memory module s: 1 Complete the steps in “Pr epari ng the notebook” on page 47 . 2 Complete the steps in “Removing the bay cove r” on page 49 .
www.packardbell.com 51 6 Insert the new memory module at a 30° angle into an empty memory slot, and then press it down until it clicks into place. The module is ke yed so it can on ly be inserted in one direction . If the module does not fit, make sure tha t the notch in the module lines up with the t ab in the memory slot.
CHAPTER 3: Replacing n otebook component s 52 Replacing the wireless card T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 1 black M2×5 (wireless card) T o replace the wireless card: 1 Complete the steps in “Pr epari ng the notebook” on page 47 .
www.packardbell.com 53 6 Remove th e screw se curing the wir eless car d. 7 Pull the card out of the slot. 8 Insert the new wireless car d at a 30° angle into the em pty Mini Card slot.
CHAPTER 3: Replacing n otebook component s 54 Replacing the hard drive T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 1 black M2×5 (hard drive) • 2 chrome M3×3 ( hard drive bracke t) T o replace the hard drive: 1 Complete the steps in “Pr epari ng the notebook” on page 47 .
www.packardbell.com 55 5 If your new hard drive alrea dy includes the hard dr ive bracket, go to step 8 . If you need to use the bracket from the o ld hard drive, go to step 6 . 6 Remove the screws that secure the har d drive bracket, and then det ach the bracket from the drive.
CHAPTER 3: Replacing n otebook component s 56 Replacing the optical drive T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 1 black M2.5×6 (optical drive) • 1 chrome M2×3 ( optical drive bracket) T o replace the optical drive: 1 Complete the steps in “Pr epari ng the notebook” on page 47 .
www.packardbell.com 57 5 If your new optical drive already has it’s own bracket and bezel, go to step 10 . If you need to use the bracket and bezel from the old optical drive, perfor m steps 6 – 9 as necessary . 6 Detach the b ezel from the old optical drive.
CHAPTER 3: Replacing n otebook component s 58 Replacing the keyboard cover T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 3 black M2.5×6 (keyboar d cover) T o replace the keyboard cover: 1 Complete the steps in “Pr epari ng the notebook” on page 47 .
www.packardbell.com 59 6 Detach the keyboard cover from the palm re st assembly and turn it over the keyboard to access its underside (a) . Open the multimedia board cable connector (b) and disconnect the ca ble (c) .
CHAPTER 3: Replacing n otebook component s 60 Replacing the multimedia board T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 3 black M2.5×6 (keyboar d cover) T o replace th e multimedia bo ard: 1 Complete the steps in “Pr epari ng the notebook” on page 47 .
www.packardbell.com 61 5 Secure the new multimedia b oard, with the connecto r facing up, on the keyboard cover . 6 Insert the multimedia cable to it s connector on the multimedia boa rd, then close the clip to lock the cable in place.
CHAPTER 3: Replacing n otebook component s 62 Replacing the keyboard T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 3 black M2.5×6 (keyboar d cover) T o replace the keyboard: 1 Complete the steps in “Pr epari ng the notebook” on page 47 .
www.packardbell.com 63 5 Insert the ret aining t abs of the new keyboard in to the slot s located on the top side of the touchp ad area. 6 Reach underneath the keyboard and insert the keyboa rd cable to its syste m board connector , then close the clip to lock the cable in place.
CHAPTER 3: Replacing n otebook component s 64 Replacing the LCD p anel assembly T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 3 black M2.5×6 (keyboar d cover) • 2 black M2.5×6 (LCD p anel hinges - bo ttom) • 2 black M2.
www.packardbell.com 65 6 T urn th e notebook over again so the p alm rest is facing up. 7 Disconnect the LCD, webcam, and microph one cables from their system bo ard connectors.
CHAPTER 3: Replacing n otebook component s 66 10 Release the antenna ca bles from their p alm rest latches, and then pull them out from und erneath the computer . 11 Disconnect the power button board cable from its system board connector , and then release it from its palm rest latches.
www.packardbell.com 67 15 Lift the LCD panel assembly up and a way from the n otebook. 16 Position the new LCD panel assembly on the notebook, and then se cure it with the hinge screws removed in step 14 . 17 If the notebook h as a wireless card inst alled, proceed to step 18 to arrang e the antenna cables.
CHAPTER 3: Replacing n otebook component s 68 Replacing the p alm rest T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keyboar d cover) • 2 black M2.
www.packardbell.com 69 5 Remove the optical drive screw . 6 Remove the keyboard cover by performin g steps 2 – 6 of the “R eplacing the keyboard cover” procedure on page 5 8 . 7 Remove the keyboar d by performing steps 3 a nd 4 of the “Replacing the keyboard” procedure on page 62 .
CHAPTER 3: Replacing n otebook component s 70 11 Open the touchp ad cabl e connector (a) and disconnect the cable from the system board (b) . 12 T urn the noteb ook over so the base is facing up. 13 Remove the screws securin g the palm rest on the base side.
www.packardbell.com 71 16 Locate the small gap s on the top side of the palm r est and insert a small flat-blade screwdriver or non-ma rring scribe into each gap to sep arate the palm rest from the base enclosure.
CHAPTER 3: Replacing n otebook component s 72 Replacing the speakers T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keyboar d cover) • 2 black M2.
www.packardbell.com 73 5 Remove the speaker screws. 6 Release the speaker cab le from the palm r est, and then remove the speakers. 7 Position the new speake rs on the palm rest. 8 Secure the speakers with the scr ews removed in step 5 and cover it with the tape th at was detache d in step 4 .
CHAPTER 3: Replacing n otebook component s 74 Replacing the touchp ad board T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keyboar d cover) • 2 black M2.
www.packardbell.com 75 5 Remove the touchp ad cable from the palm rest. 6 Peel of f the t ape protectin g the touchp ad board. 7 Note the orientation of the touchpad board for later reference in installing the new touchpad boar d.
CHAPTER 3: Replacing n otebook component s 76 8 Insert a small flat-blade screwdriver or n on-marring scribe b etween the touchpad bo ard and the p alm rest’ s undersid e, and carefully pry the board loose. 9 Remove the touchp ad board from the palm rest.
www.packardbell.com 77 Replacing the modem board T ools you need to complete this task: Screws removed during this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keybo ard cover) • 2 black M2.5×6 (LCD panel hing e - bottom) • 2 black M2.
CHAPTER 3: Replacing n otebook component s 78 8 Disconnect the modem cable from th e modem board. 9 Remove the m odem boar d screw . 10 Remove the old modem boa rd from the system boa rd.
www.packardbell.com 79 11 Connect the modem cable to the new mo dem board, and then att ach to board to its system board connector . 12 Secure the new modem b oard with the screw remove d in step 9 . 13 Reinstall the p alm rest by performing step s 19 – 21 of the “Replacing the palm rest” procedure on p age 68 .
CHAPTER 3: Replacing n otebook component s 80 Replacing the USB board T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keyboar d cover) • 2 black M2.
www.packardbell.com 81 6 Remove the optical drive screw . 7 Remove the p alm rest by performin g steps 6 – 18 of the “Replacing the p alm rest” procedure on p age 68 . 8 Disconnect the USB board and mo dem boa rd cables fro m the USB board. 9 Remove the USB boar d screw .
CHAPTER 3: Replacing n otebook component s 82 11 Place the new USB boar d in the base en closure a nd secure it with the screw removed in st ep 9 . 12 Connect the USB board a nd modem board cables to the new USB b oard. 13 Reinsta ll the palm rest by pe rforming step s 19 – 21 of the “Replacing the p alm rest” procedure on page 6 8 .
www.packardbell.com 83 Replacing the Bluetooth module T ools you need to complete this task: Screws removed during this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keybo ard cover) • 2 black M2.5×6 (LCD panel hing e - bottom) • 2 black M2.
CHAPTER 3: Replacing n otebook component s 84 6 Remove the optical drive screw . 7 Remove the palm rest by performing steps 6 – 18 of the “Repla cing the pa lm rest” procedure on page 6 8 . 8 Disconnect the Bluetooth cab le from the Bluetooth mo dule.
www.packardbell.com 85 10 Secure the new Bluetooth module on the base enclo sure and co nnect the Bluetooth cable to it. 11 Reinstall the p alm rest by performing step s 19 – 21 of the “Replacing the palm rest” procedure on p age 68 .
CHAPTER 3: Replacing n otebook component s 86 Replacing the system board T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keyboar d cover) • 2 black M2.
www.packardbell.com 87 9 Disconnect th e USB board cable fr om its system board connector . 10 Remove the system bo ard screw . 11 Carefully remove the system board from the b ase enclosure. Note A circuit board that is >10 cm 2 h as been highlighted with a yellow rectangle as shown in the previous image.
CHAPTER 3: Replacing n otebook component s 88 12 T urn the system board over an d remove the cooling assembly by performing steps 4 – 7 of the “Replacing the cooling assembly” procedure on page 89 .
www.packardbell.com 89 Replacing the cooling assembly T ools you need to complete this task: Additional materials you need to complete this task: • Soft cloth and i sopropyl alcohol; o r alcohol p ad • Thermal grease Screws removed during this t ask: • 1 black M2×5 (hard drive) • 1 black M2.
CHAPTER 3: Replacing n otebook component s 90 5 Loosen the sprin g-loaded captive scre ws securing the cooling assembly . Follow the screw sequence indi cate d on the below imag es. 6 Remove the cooling assem bly from the system board . 7 Lay the cooling assembly d own in an upright position to avoid t ainting your work space with therm al grease.
www.packardbell.com 91 8 Remove the bar code sticker on top of the processor . 9 Moisten a soft cloth with iso propyl al cohol and clea n the proces sor die to remove any thermal grea se residue. Wipe the die surface several times to make sure that no p articles or dust cont aminant s are evident.
CHAPTER 3: Replacing n otebook component s 92 Replacing the processor T ools you need to complete t his t ask: Additional material s you need to co mplete this task: • Soft cloth and isopropyl alcohol; or alcohol p ad • Thermal grease Screws removed dur ing this t ask: • 1 black M2×5 (hard drive) • 1 black M2.
www.packardbell.com 93 4 Use a flat-bla de screwdriver to turn the processor lock screw counter-clockwise. 5 Remove the old p rocessor from the syste m board. 6 Align pin 1 of the new processo r (indicated by the gold ar row on the corner of the processor) with the b eveled corner of the processor socket.
CHAPTER 3: Replacing n otebook component s 94 15 Reinstall the optical dr ive by performing step s 10 and 11 o f the “Replacing the optical drive” proce dure on page 5 6 . 16 Reinstall the h ard drive by performing steps 8 a nd 9 of the “Replacing th e hard drive” procedu re on page 54 .
www.packardbell.com 95 Replacing the LCD front p anel T ools you need to complete this task: Screws removed during this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keybo ard cover) • 2 black M2.5×6 (LCD panel hing es - bottom) • 2 black M2.
CHAPTER 3: Replacing n otebook component s 96 4 Remove the LCD front p anel screws. 5 Remove the LCD hinge cover screws. 6 Carefully pry loose the fr ont pane l from the LCD assembly lid. S tart on the top side (a) , continue to the lef t and right sides (b) , and finally the bottom side (c) .
www.packardbell.com 97 7 Remove the front p anel. 8 Place the new front p anel on top of the L CD assembly lid. Make sure that the LCD, webcam, microphone, ante nna, and power button cables are proper ly routed on the hing e sides. 9 Press the front p anel on all sides until it snap s into place.
CHAPTER 3: Replacing n otebook component s 98 Replacing the webcam T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keyboar d cover) • 2 black M2.
www.packardbell.com 99 5 Place the new webcam on the top side of the LCD assembly lid. 6 Reinstall th e LCD front panel by pe rforming step s 8 – 11 of the “Replac ing the LCD front p anel” procedure on page 95 . Make sure the webcam lens is aligned with camera pe ephole on the LCD front panel before you secure the p anel in place.
CHAPTER 3: Replacing n otebook component s 100 Replacing the LCD T ools you need to complete t his t ask: Screws removed dur ing this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keyboar d cover) • 2 black M2.
www.packardbell.com 101 5 Disconnect the webcam ca ble from the webcam bo ard. 6 Remove the LCD hinge screws. 7 Remove the LCD from the LCD assembly lid.
CHAPTER 3: Replacing n otebook component s 102 9 Detach the LCD-webcam from th e LCD’s un derside (a) a nd disconnect it from the LCD PCB (b) . 10 Remove t he screw s securi ng the LCD p anel bracket s. 11 Attach the LCD p anel bracket s and the LCD cable to the new LCD.
www.packardbell.com 103 Replacing the LCD p anel hinge bracket s T ools you need to complete this task: Screws removed during this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keybo ard cover) • 2 black M2.
CHAPTER 3: Replacing n otebook component s 104 6 Attach the ne w LCD pa nel bracket s to the LCD. 7 Place the LCD on the LCD assem bly lid and secure it with the screws removed in st ep . 8 Reinsta ll the LCD front panel by perform ing steps 8 – 11 of the “Replacing the LCD front p anel” proced ure on page 9 5 .
www.packardbell.com 105 Replacing the power button board T ools you need to complete this task: Screws removed during this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keybo ard cover) • 2 black M2.5×6 (LCD panel hing es - bottom) • 2 black M2.
CHAPTER 3: Replacing n otebook component s 106 5 Note the orientation of the power button board for later re ference and then remove the boa rd from the LCD a ssembly lid. 6 Disconnect the power button cable from th e board. 7 Connect the power butto n cable to the new power button board.
www.packardbell.com 107 Replacing the Kensington lock cap T ools you need to complete this task: Screws removed during this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keybo ard cover) • 2 black M2.
CHAPTER 3: Replacing n otebook component s 108 5 Note the orient ation of the Kensington lock cap fo r later reference and then remove t he screws s ecuring it. 6 Detach the Kensington lock cap from the lef t hinge. 7 Position the new Kensington lock cap on the left hinge m aking sure it is in the same orient ation noted on st ep 5 .
www.packardbell.com 109 Replacing the microphone T ools you need to complete this task: Screws removed during this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keybo ard cover) • 2 black M2.5×6 (LCD panel hing es - bottom) • 2 black M2.
CHAPTER 3: Replacing n otebook component s 110 6 Remove the microphone from the LCD assembly lid. 7 Place the new m icrophone on t he LCD assemb ly lid and secure its cable on the adhesive t abs. 8 Place the LCD ba ck on the LCD asse mbly lid. 9 Return the hinge screws to their places.
www.packardbell.com 111 Replacing the antennas T ools you need to complete this task: Screws removed during this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keybo ard cover) • 2 black M2.5×6 (LCD panel hing es - bottom) • 2 black M2.
CHAPTER 3: Replacing n otebook component s 112 6 Carefully pry the antenna boards loose fro m the LCD assembly lid to remove the antennas. 7 Secure the n ew antenna on the L CD assembly lid and route thei r cables underneath the a dhesive t abs. 8 Place the LCD ba ck on the LCD asse mbly lid.
www.packardbell.com 113 Replacing the LCD assembly lid T ools you need to complete this task: Screws removed during this t ask: • 1 black M2×5 (hard drive) • 1 black M2.5×6 (optical drive) • 3 black M2.5×6 (keybo ard cover) • 2 black M2.5×6 (LCD panel hing es - bottom) • 2 black M2.
CHAPTER 3: Replacing n otebook component s 114 8 Reinsta ll the LCD front panel by perform ing steps 8 – 11 of the “Replacing the LCD front p anel” proced ure on page 9 5 . 9 Reinsta ll the LCD pa nel assembly by performi ng steps 16 – 23 of the “Replacing the LCD p anel assembly” proced ure on p age 64 .
CHAP TER 4 115 T roubleshooting • Diagnosing problems • System test procedures • Power -On Self-T est (P OST) error message • Index of error messages • Phoenix BIOS beep codes • Symptom-to.
CHAPTER 4: Troubleshooting 116 Diagnosing problems Use the following procedur e as a guide for dia gnosing notebook pro blems. 1 Obtain the fa iling symptoms in as much det ail as possible. 2 V erify the symptoms by attempting to re-create the failure by running the diagnostic test or by rep eating the same operation.
www.packardbell.com 117 System test procedures T esting the optical drive Use the following procedu re to isolate a problem in an optical drive co ntroller , driver , or drive. T o test the optical drive: 1 Boot from the diagnostics diskette an d start the dia gnostics program.
CHAPTER 4: Troubleshooting 118 T esting the memory Memory er rors can sto p your prog rams, show error messa ges on the screen, or hang the system. T o test the memory: 1 Boot from the diagn ostics diskette and st art the diagnostics progra m. 2 Run the Memory T est and see if the test completes successfully .
www.packardbell.com 119 Check the battery pack T o c heck the battery pack using software: 1 Open Power Man agement in the Windows Contr ol Panel. 2 In Power Meter , make sure that the p arameters shown for Current Power Source and T otal Battery Power Re maining are correct.
CHAPTER 4: Troubleshooting 120 Power-On Self-T est (POST) error message The POST error message index list s the error messag e and their possible ca uses. The most likely ca use is listed first. This index can also help you d etermine the next possible FRU to be r eplaced when servicing a noteboo k.
www.packardbell.com 121 Index of error messages Error codes Error messages Error Codes Error Messages 006 Equipment Configuration Error Causes: 1. CPU BIOS Update Code Mismatch 2.
CHAPTER 4: Troubleshooting 122 System timer error n T est or replace t he CMOS battery , run the BIOS Setup Utility to reconfigure system time, then reboot the system. n T est or replace t he system board. Real time clock error n T est o r replace the CMOS battery , run the BIOS Setup Utility to reconfigure system time, then reboot the system.
www.packardbell.com 123 No-beep error messages I/O device IRQ conflict n Run “Load Setup Defaults” using the BIOS Setup Utility , then reboot the notebook. n T est or replace the CMOS battery , run the BIOS Setup Utility to reconfigure system time, then r eboot the system.
CHAPTER 4: Troubleshooting 124 Phoenix BIOS beep codes Code Beeps POST Routine Description 02h V er ify Real Mode 03h Disable Non-Maskable Interrupt ( NMI) 04h Get CPU type 06h Initialize system hardw.
www.packardbell.com 125 30h 1-4-1-1 RAM failure on data bits xxxx of high byte of memory bus 32h T est CPU bus-clock frequency 33h Initialize Phoenix Dispatch Manager 36h W arm start shut down 38h Sha.
CHAPTER 4: Troubleshooting 126 6Ah Display external L2 cache size 6Bh Load custom defaults (optional) 6Ch Display shadow-area message 6Eh Display possible high address fo r UMB recovery 70h Display er.
www.packardbell.com 127 9Ch Set up Power Management 9Dh Initialize security engine (optional) 9Eh Enable hardware interrupts 9Fh Determine number of A T A and SCSI drives A0h Set time of day A2h Check.
CHAPTER 4: Troubleshooting 128 D2h Unknown interrupt E0h Initialize the ch ipset E1h Initialize the bridge E2h Initialize the CPU E3h Initialize the system timer E4h Initialize system I/O E5h Check fo.
www.packardbell.com 129 Symptom-to-FRU error messages LCD Power Symptom / Error Action in Sequence n The LCD backlight doesn't wor k. n The LCD is too dark. n The LCD brightness cannot be adjusted. n The LCD contrast cannot be adjusted. n Run “Load Setup Defaults” using the BIOS Setup Utility , then reboot the notebook.
CHAPTER 4: Troubleshooting 130 Memory Sound Power management Symptom / Error Action in Sequence Memory count (size) appears different from actual size. n Run “Load Setup Defaults” using the BIOS Setup Utility , then reboot the notebook. n T est or replace t he SO-DIMM.
www.packardbell.com 131 Devices Keyboard and touchp ad Symptom / Error Action in Sequence System configuration does not match the installed devices. n Run “Load Setup Defaults” using the BIOS Setup Utility , then reboot the notebook. n Reconnect the hard disk dr ive and optical drive.
CHAPTER 4: Troubleshooting 132 Intermittent problems Intermittent system hang problems can be caused by a v ariety of re asons that have nothing to do with a hard ware defect. T hese reason s include: cosmic radiation, electrostatic disc har ge, or soft ware errors.
www.packardbell.com 133 Undetermined problems If the diagnostic test may n ot identify which adapter or d evice failed, which installed devices are incorrect, whether a short circ uit is suspected, or whether the system is inoperative. Use these procedures to isolate the failing FRU (do not isolate a non-defective FRU).
CHAPTER 4: Troubleshooting 134.
CHAP TER 5 135 Connector locations • System board layout.
CHAPTER 5: Connector locations 136 System board layout T op view Item Code Component Item Code Compone nt 1 MMB1 Multimedia board cable connector 8 KB1 Keyboard cable connector 2 MIC1 M icrophone cabl.
www.packardbell.com 137 Bottom view – Discrete model Item Code Compon ent Item Code Compo nent 1 MINI2 3G module slot 11 HDMI1 HDMI out port 2 MINI1 WLAN modul e slot 12 USB1 USB port 3 BA T1 Batter.
CHAPTER 5: Connector locations 138 Bottom view – UMA model Item Code Component Item Code Compone nt 1 MINI2 3G module slot 11 USB1 USB port 2 MINI1 WLAN module slot 12 USB2 USB port 3 BA T1 Battery .
CHAP TER 6 139 FRU (Field-Replaceable Unit) list • Introduction • Exploded diagram • FRU list.
CHAPTER 6: FRU (Field -Replaceable Unit) list 140 Introduction This chap ter give s you the FRU (fiel d -replaceable- unit) listing in global configurations of this model. Re fer to this chapter whenever ordering for p art s to repair or for RMA (Return Merchand ise Authorization).
www.packardbell.com 141 Item Component 1 Keyboard cover 2 Multimedia board 3 Palm rest 4 T ouchpad board 5 Cooling assembly 6 System board 7 Kensington lock cap 8 Left LCD panel hinge bracket 9 Front .
CHAPTER 6: FRU (Field -Replaceable Unit) list 142 FRU list Category Description Part No. Adapter Adapter DEL T A 65W 19V 1 .7x5.5x1 1 Y ellow ADP-65JH DB A, L V5 LED LF AP .06501.026 Adapter LITE-ON 65W 19V 1.7x5.5 x1 1 Y ellow P A-1650-22 AC L V5 LED LF AP .
www.packardbell.com 143 Hard disk drive (continuation) HDD WD 2.5" 5400rpm 250GB WD2500BEVT -22ZCT0 ML160 SA T A LF F/W:1 1.01A1 1 KH.25008.021 HDD SEAGA TE 2.5" 5400rpm 320GB ST9320325AS Wyatt SA T A LF F/W:0001SDM1 KH.32001.017 HDD TOSHIBA 2.
CHAPTER 6: FRU (Field -Replaceable Unit) list 144 Processor CPU Intel Core i3 330M PGA 2.13G 35W Arranda le, TJ90, VT , 3M L3 KC.33001.DMP CPU Intel Core i3 350M PGA 2.26G 35W Arrandale, TJ90, VT , 3M L3 KC.35001.DMP CPU Intel Core i5 430M PGA 2.26G ARD , up to SC 2.
www.packardbell.com 145 WLAN module (continuation) Liteon Wireless LAN Realtek 8192SE BGN WN6603LH( 2x2 BGN) NI.23600.065 Foxconn Wirelss LAN Atheros HB95 1x1 BG (HM) NI.23600.047 Liteon Wireless LAN Atheros HB95 BG (HM) WN66 01AH N I.23600.052 Lan Intel WLAN 1 12BN.
CHAPTER 6: FRU (Field -Replaceable Unit) list 146.
APPENDIX A 147 T est compatible components • Introduction • Microsoft® W indows 7® Compatibility T est.
APPENDIX A: Test compatible components 148 Introduction This notebook’s compatibility is tested and verified by Acer’s internal testing departm ent. Refer to the following list s for compone nts, ada pter cards, and peripherals whic h have passed thes e tests.
www.packardbell.com 149 Wireless USB hub/adapter IOGEAR Wireless USB Hub & Adapter Kit (GUWH104KIT) Bluetooth access point X-Bridge Bl uetooth Access Point (BT300) Bluetooth device AmbiCom Bluetoo.
APPENDIX A: Test compatible components 150.
APPENDIX B 151 Online support information.
APPENDIX B: Online support informat ion 152 This section describes online technical support services available to help you repair your Packard Bell notebook. If you are a distributor , dealer , ASP , or TPM, please refer your technical queries to your local Acer branch office.
153 Index A AC adapter connector 16 antennas replace 111 application key 22 arrow keys 22 audio back button 23 controller 12 headphone jack 17 Increase volume 24 microphone ja ck 17 muting 24 next but.
Index 154 directional keys 22 display 6 switching 22 double-clicking 26 dragging 26 drives DVD/CD-RW 17 DVD±RW 17 hard drive 19 multi-format DVD±RW 17 DSL modem 16 DVD controlling playback 23 DVD dr.
155 www.packardbell.com N navigation keys 22 network jack 16 O opening files 26 folders 26 programs 26 shortcut menu 26 optical drive replace 56 optical drive bezel remove 57 optical drive bracket rem.
Index 156 USB port 17 user password change 34 clear 40 remove 35 set 34 utilities BIOS setup utility 28 V ventilation 16 , 18 VGA port 16 video HDMI out jack 16 monitor port 16 projector port 16 VGA p.
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MAN NV5x SVC GDE R1 04/09.
An important point after buying a device Acer ENTJ76 (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 ENTJ76 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 ENTJ76 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Acer ENTJ76 you will learn all the available features of the product, as well as information on its operation. The information that you get Acer ENTJ76 will certainly help you make a decision on the purchase.
If you already are a holder of Acer ENTJ76, 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 ENTJ76.
However, one of the most important roles played by the user manual is to help in solving problems with Acer ENTJ76. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Acer ENTJ76 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
