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Acer 5251, 5551G manual Detach the Wlan Board from the Wlan socket Chapter

Models: 5251 5551G 5551

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4.Detach the WLAN Board from the WLAN socket.

NOTE: When reattaching the antennas, ensure the cables are tucked into the chassis to prevent damage.

Chapter 3

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Acer 5251, 5551G manual Detach the Wlan Board from the Wlan socket Chapter

Contents

Aspire 5251/5551G/5551 Series Service Guide Revision History III CopyrightConventions Preface Page Table of Contents Viii Troubleshooting 137Microsoft Windows 7 Environment Test AspireAspire 5551G Table of Contents Chapter FeaturesAudio Storage SubsystemStorage Optical Media DrivePower subsystem Dimensions and weightCommunication Privacy controlEnvironment Optional ItemsATI SB820M System Block DiagramFront View Your Acer Notebook tourIcon Description HDDHdmi Closed Front ViewLeft View Right View Icon Function Description IndicatorsBottom View Function Left Button Right Button Main TouchPad TouchPad BasicsLock key Description Using the KeyboardLock Keys and embedded numeric keypad Key Description Windows KeysHotkey Icon Function Description Hot KeysPlatform Specification Hardware Specifications and ConfigurationsProcessor Specifications CPUODD Fan Acoustic Specifications Operation ApplicationLoudness Sone Tone Mode DBA 4GB System Memory SpecificationMemory Combinations Slot Total Memory 0MBWireless LAN Specification Onboard LAN SpecificationBattery Specification Cell SANYO/SONY/PANASONIC/SAMSUNG/SIMPLO AS2009AHard Disk Drive Interface Specification System Power Management Acpi mode SpecificationPower and Keyboard Controller Specification Super-Multi Drive Module VGA VGA Chip SpecificationLCD Display Resolutions Aspire Aspire 5551G Ohci LCD SpecificationLvds Card Reader Specification Audio Interface Specification Chapter Navigating the Bios Utility Bios Setup UtilityInformation Aspire 5251/5551G/5551 BiosParameter Description UuidParameter Description Format/Option DisabledMain Security Disabled orParameter Description Option ClearRemoving a Password Setting a PasswordContinue Changing a PasswordUSB CD/DVD ROM BootExit Exit Saving Changes ExitBios Flash Utilities USB CD/DVD DOS Flash UtilityPage WinFlash Utility Remove HDD Password Remove HDD/BIOS Password UtilitiesPassword UnlockHDCleaning Bios Passwords Removing Bios PasswordsUsing Boot Sequence Selector Output Using DMIToolsInput Using the LAN MAC Eeprom Utility Chapter Disassembly Requirements Machine Disassembly and ReplacementPre-disassembly Instructions Main Screw List Quantity Part Number Disassembly ProcessScrew List Step Quantity External Module Disassembly ProcessExternal Modules Disassembly Flowchart Removing the Battery Pack Removing the SD Dummy Card Step Size Quantity Screw Type ODD Module M2.5*8 Removing the Optical Drive ModuleStep Size Quantity Screw Type ODD Bracket M2*3 Step Size Quantity Screw Type Logic lower door M2.5*8 Removing the Logic Lower DoorStep Size Quantity Screw Type 3G Cover M2*3 Removing the 3G CoverRemoving the Dimm Module Step Size Quantity Screw Type Wlan Module M2*3 Removing the Wlan ModuleDetach 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 Flowchart Main Unit Disassembly ProcessRemoving the Keyboard Chapter Step Size Quantity Screw Type Removing the Upper CoverChapter 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 Step Size Quantity Screw Type Power board M2*3 Removing the Power BoardRemoving the TouchPad Bracket Step Size Quantity Screw Type TouchPad Bracket M2*3 Step Size Quantity Screw Type Card Reader M2*3 Removing the Card Reader BoardRemoving 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 GPU Removing the Thermal ModuleStep Size Quantity Screw Type Thermal Module M2.5*3.2 Carefully lift the Thermal Module clear of the Mainboard Removing the CPU LCD Module Disassembly Flowchart LCD Module Disassembly ProcessRemoving the LCD Assembly Chapter Step Size Quantity Screw Type LCD assembly M2.5*5 Step Size Quantity Screw Type LCD Bezel M2.5*6 Removing the LCD BezelRemoving the Camera Module Step Size Quantity Screw Type LCD Panel M2.5*5 Removing the LCD PanelStep Size Quantity Screw Type LCD Brackets M2*3 Removing the LCD Brackets and Lvds CableChapter Disconnect the Lvds cable from the panel Chapter Removing the Microphone Cable Page Removing the Antennas Page Replacing the Antennas LCD Module Reassembly ProcedurePage Replacing the Microphone Cable Replacing the LCD Brackets and Lvds Cable 102 Chapter Replacing the LCD Panel Place the Camera in the module Connect the camera cable Replacing the Camera ModuleReplacing the LCD Bezel Replacing the LCD Assembly Page 108 Chapter Replacing the CPU Main Module Reassembly ProcedureReplacing 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 Symptoms Verified Go To Common ProblemsComputer Shutsdown Intermittently Power On IssueNo Post or Video No Display IssueAbnormal Video Display Random Loss of Bios SettingsBuilt-In Keyboard Failure LCD FailureInternal Speaker Failure TouchPad FailureSelect Set up microphone Sound ProblemsMicrophone Problems Select Startup Repair HDD Not Operating CorrectlySelect Repair your computer ODD Not Operating Correctly ODD FailureDiscs Do Not Play Drive Not Detected Thermal Unit Failure Wireless Function FailureOther Failures External Mouse FailureDimm Intermittent ProblemsUndetermined Problems Post Codes Post Code Range PhasePeirecoverymediafound PEI Peienterrecoverymode PEIPeirecoverymedianotfound PEI Peirecoveryloadfiledone PEIBdsendofbootselection BDS Bdsenumerateallbootoption BDSBdsentersetup BDS Bdsenterbootmanager BDSSmmacpienableend SMM Smmacpienablestart SMMSmmacpidisablestart SMM Smmacpidisableend SMMTop View JHDD1 PJP2PJP1 JODD1USB/B Board Power BoardFor NEW85 Wlan LED CR/B BoardClearing Password Check Clearing Password Check and Bios RecoverySteps for Clearing Bios Password Check Clear Cmos JumperBios Recovery Boot Block Bios Recovery by Crisis DiskBios Recovery Hotkey Steps for Bios Recovery from USB StorageFRU Field Replaceable Unit List Description Acer P/N Aspire 5251/5551G/5551 Exploded DiagramsMain Assembly Base Assembly Antenna Wlan AUX LED AssemblyAntenna Wlan Main Aspire 5251/5551G/5551 FRU List Screw List Chapter 167 Aspire Appendix aModel Acer Part No Memory Media Extra SW1 Card Reader Wireless ProcessorMemory Chip Emea Aspire 5551GChina AAPTWN Gctwn Wxgag VGA ChipMadisonpr 1G-DDR3 SO2GBIII10 Wxgag DDR3 Parkxt2GB HDD 1GBAS5551G LX.PUU01.003 N320GB5.4 N832G32Mn LX.PUU01.001 AS5551G LX.PUS01.003 NBDCB4 AS5551G LX.PUS02.014 EME AclaAS5551 LX.PTQ02.021 UMA SO2GBIII13B UMA SO2GBIII10UMA SO1GBIII10 Ksbr SO1GBIII13AS5551 LX.PTQ02.016 AS5551 LX.PWK02.002 McAfee 1-Build 3rd WiFi N332G32Mn 2x2 BGN Appendix a 186 Appendix B Test Compatible ComponentsVendor Type Description Adapter BatteryMicrosoft Windows 7 Environment Test Vendor Type Description NLED15.6WXGAG Toshiba Digi MK3265GSX Sata 8MB LF F/WGJ002JN15.6WXGAG NLED15.6WXGAGB InnoluxKingston SO1GBIII13BRNB Chipset Bluetooth Vendor Type Description WiFi AntennaWireless LAN Audio Codec23707801 3rd WiFi BG Foxconn Wirelss LAN Atheros HB95BG HM Appendix C Online Support Information196 Index Removing 72, 73, 75 199 200