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Acer 5251, 5551G manual Chapter

Models: 5251 5551G 5551

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3.Turn the computer over and disconnect the following four (4) cables from the Mainboard.

B

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A

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Acer 5251, 5551G manual Chapter

Contents

Aspire 5251/5551G/5551 Series Service Guide Revision History Copyright IIIConventions Preface Page Table of Contents Troubleshooting 137 ViiiAspire Aspire 5551GMicrosoft Windows 7 Environment Test Table of Contents Features ChapterStorage Subsystem AudioStorage Optical Media DriveDimensions and weight Power subsystemCommunication Privacy controlOptional Items EnvironmentSystem Block Diagram ATI SB820MYour Acer Notebook tour Front ViewIcon Description HDDClosed Front View Left ViewHdmi Right View Indicators Bottom ViewIcon Function Description TouchPad Basics Function Left Button Right Button Main TouchPadUsing the Keyboard Lock Keys and embedded numeric keypadLock key Description Windows Keys Key DescriptionHot Keys Hotkey Icon Function DescriptionHardware Specifications and Configurations Platform SpecificationProcessor Specifications CPUFan Acoustic Specifications Operation Application Loudness Sone Tone Mode DBAODD System Memory Specification 4GBMemory Combinations Slot Total Memory 0MBOnboard LAN Specification Wireless LAN SpecificationBattery Specification Cell SANYO/SONY/PANASONIC/SAMSUNG/SIMPLO AS2009ASystem Power Management Acpi mode Specification Power and Keyboard Controller SpecificationHard Disk Drive Interface Specification Super-Multi Drive Module VGA Chip Specification LCD Display Resolutions Aspire Aspire 5551GVGA LCD Specification LvdsOhci Card Reader Specification Audio Interface Specification Chapter Bios Setup Utility Navigating the Bios UtilityAspire 5251/5551G/5551 Bios InformationParameter Description UuidDisabled MainParameter Description Format/Option Disabled or SecurityParameter Description Option ClearSetting a Password Removing a PasswordChanging a Password ContinueBoot USB CD/DVD ROMExit Exit Exit Saving ChangesBios Flash Utilities DOS Flash Utility USB CD/DVDPage WinFlash Utility Remove HDD/BIOS Password Utilities Remove HDD PasswordPassword UnlockHDRemoving Bios Passwords Cleaning Bios PasswordsUsing Boot Sequence Selector Using DMITools InputOutput Using the LAN MAC Eeprom Utility Chapter Machine Disassembly and Replacement Disassembly RequirementsPre-disassembly Instructions Disassembly Process Main Screw List Quantity Part NumberExternal Module Disassembly Process External Modules Disassembly FlowchartScrew List Step Quantity Removing the Battery Pack Removing the SD Dummy Card Removing the Optical Drive Module Step Size Quantity Screw Type ODD Module M2.5*8Step Size Quantity Screw Type ODD Bracket M2*3 Removing the Logic Lower Door Step Size Quantity Screw Type Logic lower door M2.5*8Removing the 3G Cover Step Size Quantity Screw Type 3G Cover M2*3Removing the Dimm Module Removing the Wlan Module Step Size Quantity Screw Type Wlan Module M2*3Detach the Wlan Board from the Wlan socket Chapter Removing the Hard Disk Drive Module Step Size Quantity Screw Type HDD Carrier M3*3 Main Unit Disassembly Process Main Unit Disassembly FlowchartRemoving the Keyboard Chapter Removing the Upper Cover Step Size Quantity Screw TypeChapter Release the locking latch on a Disconnect a as shown Step Size Quantity Screw Type Upper Cover M2.5*5 Removing the Left Speaker Module Lift the Speaker clear of the Upper Cover Removing the Right Speaker Module Lift the Right Speaker Module clear of the device Removing the Power Board Step Size Quantity Screw Type Power board M2*3Removing the TouchPad Bracket Step Size Quantity Screw Type TouchPad Bracket M2*3 Removing the Card Reader Board Step Size Quantity Screw Type Card Reader M2*3Removing the USB Board Lift the USB board clear of the device Removing the Bluetooth Board Removing the Mainboard Step Size Quantity Screw Type Mainboard M2.5*5 Chapter Page Disconnect the Bluetooth to mainboard cable Removing the Thermal Module Step Size Quantity Screw Type Thermal Module M2.5*3.2GPU Carefully lift the Thermal Module clear of the Mainboard Removing the CPU LCD Module Disassembly Process LCD Module Disassembly FlowchartRemoving the LCD Assembly Chapter Step Size Quantity Screw Type LCD assembly M2.5*5 Removing the LCD Bezel Step Size Quantity Screw Type LCD Bezel M2.5*6Removing the Camera Module Removing the LCD Panel Step Size Quantity Screw Type LCD Panel M2.5*5Removing the LCD Brackets and Lvds Cable Step Size Quantity Screw Type LCD Brackets M2*3Chapter Disconnect the Lvds cable from the panel Chapter Removing the Microphone Cable Page Removing the Antennas Page LCD Module Reassembly Procedure Replacing the AntennasPage Replacing the Microphone Cable Replacing the LCD Brackets and Lvds Cable 102 Chapter Replacing the LCD Panel Replacing the Camera Module Place the Camera in the module Connect the camera cableReplacing the LCD Bezel Replacing the LCD Assembly Page 108 Chapter Main Module Reassembly Procedure Replacing the CPUReplacing the Thermal Module Connect the fan cable Chapter 111 Replacing the Mainboard Page 114 Chapter Replacing the Bluetooth Board Replacing the USB Board Page Replacing the Card Reader Board Replacing the TouchPad Bracket 120 Chapter Replacing the Power Board Replacing the Right Speaker Module Replacing the Left Speaker Module Replacing the Upper Cover Page 126 Chapter Replacing the Keyboard Replacing the Hard Disk Drive Module Replacing the Wlan Module Replacing the Dimm Modules Replacing the 3G Cover Replacing the Logic Lower Door Replacing the ODD Module Replacing the SD Dummy Card Replacing the Battery 136 Chapter Common Problems Symptoms Verified Go ToPower On Issue Computer Shutsdown IntermittentlyNo Display Issue No Post or VideoRandom Loss of Bios Settings Abnormal Video DisplayLCD Failure Built-In Keyboard FailureTouchPad Failure Internal Speaker FailureSound Problems Microphone ProblemsSelect Set up microphone HDD Not Operating Correctly Select Repair your computerSelect Startup Repair ODD Failure ODD Not Operating CorrectlyDiscs Do Not Play Drive Not Detected Wireless Function Failure Thermal Unit FailureExternal Mouse Failure Other FailuresIntermittent Problems Undetermined ProblemsDimm Post Code Range Phase Post CodesPeienterrecoverymode PEI Peirecoverymediafound PEIPeirecoverymedianotfound PEI Peirecoveryloadfiledone PEIBdsenumerateallbootoption BDS Bdsendofbootselection BDSBdsentersetup BDS Bdsenterbootmanager BDSSmmacpienablestart SMM Smmacpienableend SMMSmmacpidisablestart SMM Smmacpidisableend SMMTop View PJP2 JHDD1PJP1 JODD1Power Board USB/B BoardCR/B Board For NEW85 Wlan LEDClearing Password Check and Bios Recovery Clearing Password CheckSteps for Clearing Bios Password Check Clear Cmos JumperBios Recovery by Crisis Disk Bios Recovery Boot BlockBios Recovery Hotkey Steps for Bios Recovery from USB StorageFRU Field Replaceable Unit List Aspire 5251/5551G/5551 Exploded Diagrams Main AssemblyDescription Acer P/N Base Assembly LED Assembly Antenna Wlan MainAntenna Wlan AUX Aspire 5251/5551G/5551 FRU List Screw List Chapter 167 Appendix a AspireMedia Extra SW1 Card Reader Wireless Processor Memory ChipModel Acer Part No Memory Aspire 5551G EmeaChina AAPTWN Gctwn VGA Chip Madisonpr 1G-DDR3 SO2GBIII10Wxgag Parkxt Wxgag DDR3HDD 1GB 2GBAS5551G LX.PUU01.003 N320GB5.4 N832G32Mn LX.PUU01.001 AS5551G LX.PUS01.003 NBDCB4 AS5551G LX.PUS02.014 Acla EMEAS5551 LX.PTQ02.021 UMA SO2GBIII10 UMA SO2GBIII13BUMA SO1GBIII10 SO1GBIII13 KsbrAS5551 LX.PTQ02.016 AS5551 LX.PWK02.002 McAfee 1-Build 3rd WiFi N332G32Mn 2x2 BGN Appendix a 186 Test Compatible Components Appendix BBattery Microsoft Windows 7 Environment TestVendor Type Description Adapter Vendor Type Description Toshiba Digi MK3265GSX Sata 8MB LF F/WGJ002J N15.6WXGAGNLED15.6WXGAG Innolux NLED15.6WXGAGBKingston SO1GBIII13BRNB Chipset Vendor Type Description WiFi Antenna BluetoothWireless LAN Audio Codec23707801 3rd WiFi BG Foxconn Wirelss LAN Atheros HB95BG HM Online Support Information Appendix C196 Index Removing 72, 73, 75 199 200