Replacing the USB Board | Acer 5251, 5551G instruction

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.

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Chapter 3

Image 126

Acer 5251, 5551G manual Replacing the USB Board

Contents

Aspire 5251/5551G/5551 Series Service Guide Revision History Copyright III Conventions Preface Page Table of Contents Troubleshooting 137 Viii Aspire Aspire 5551GMicrosoft Windows 7 Environment Test Table of Contents Features Chapter Storage Storage SubsystemAudio Optical Media Drive Communication Dimensions and weightPower subsystem Privacy control Optional Items Environment System Block Diagram ATI SB820M Icon Description Your Acer Notebook tourFront View HDD Closed Front View Left ViewHdmi Right View Indicators Bottom ViewIcon Function Description TouchPad Basics Function Left Button Right Button Main TouchPad Using the Keyboard Lock Keys and embedded numeric keypadLock key Description Windows Keys Key Description Hot Keys Hotkey Icon Function Description Processor Specifications Hardware Specifications and ConfigurationsPlatform Specification CPU Fan Acoustic Specifications Operation Application Loudness Sone Tone Mode DBAODD Memory Combinations Slot Total Memory System Memory Specification4GB 0MB Battery Specification Cell Onboard LAN SpecificationWireless LAN Specification SANYO/SONY/PANASONIC/SAMSUNG/SIMPLO AS2009A System 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 Utility Parameter Description Aspire 5251/5551G/5551 BiosInformation Uuid Disabled MainParameter Description Format/Option Parameter Description Option Disabled orSecurity Clear Setting a Password Removing a Password Changing a Password Continue Boot USB CD/DVD ROM Exit Exit Exit Saving Changes Bios Flash Utilities DOS Flash Utility USB CD/DVDPage WinFlash Utility Password Remove HDD/BIOS Password UtilitiesRemove HDD Password UnlockHD Removing Bios Passwords Cleaning Bios Passwords Using Boot Sequence Selector Using DMITools InputOutput Using the LAN MAC Eeprom Utility Chapter Machine Disassembly and Replacement Disassembly Requirements Pre-disassembly Instructions Disassembly Process Main Screw List Quantity Part Number External 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*8 Step Size Quantity Screw Type ODD Bracket M2*3 Removing the Logic Lower Door Step Size Quantity Screw Type Logic lower door M2.5*8 Removing the 3G Cover Step Size Quantity Screw Type 3G Cover M2*3 Removing the Dimm Module Removing the Wlan Module Step Size Quantity Screw Type Wlan Module M2*3 Detach 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 Flowchart Removing the Keyboard Chapter Removing the Upper Cover Step Size Quantity Screw Type Chapter 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*3 Removing 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*3 Removing 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 Flowchart Removing 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*6 Removing the Camera Module Removing the LCD Panel Step Size Quantity Screw Type LCD Panel M2.5*5 Removing the LCD Brackets and Lvds Cable Step Size Quantity Screw Type LCD Brackets M2*3 Chapter 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 cable Replacing the LCD Bezel Replacing the LCD Assembly Page 108 Chapter Main Module Reassembly Procedure Replacing the CPU Replacing 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 To Power On Issue Computer Shutsdown Intermittently No Display Issue No Post or Video Random Loss of Bios Settings Abnormal Video Display LCD Failure Built-In Keyboard Failure TouchPad Failure Internal Speaker Failure Sound Problems Microphone ProblemsSelect Set up microphone HDD Not Operating Correctly Select Repair your computerSelect Startup Repair ODD Failure ODD Not Operating Correctly Discs Do Not Play Drive Not Detected Wireless Function Failure Thermal Unit Failure External Mouse Failure Other Failures Intermittent Problems Undetermined ProblemsDimm Post Code Range Phase Post Codes Peirecoverymedianotfound PEI Peienterrecoverymode PEIPeirecoverymediafound PEI Peirecoveryloadfiledone PEI Bdsentersetup BDS Bdsenumerateallbootoption BDSBdsendofbootselection BDS Bdsenterbootmanager BDS Smmacpidisablestart SMM Smmacpienablestart SMMSmmacpienableend SMM Smmacpidisableend SMM Top View PJP1 PJP2JHDD1 JODD1 Power Board USB/B Board CR/B Board For NEW85 Wlan LED Steps for Clearing Bios Password Check Clearing Password Check and Bios RecoveryClearing Password Check Clear Cmos Jumper Bios Recovery Hotkey Bios Recovery by Crisis DiskBios Recovery Boot Block Steps for Bios Recovery from USB Storage FRU 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 Aspire Media Extra SW1 Card Reader Wireless Processor Memory ChipModel Acer Part No Memory China Aspire 5551GEmea AAP TWN Gctwn VGA Chip Madisonpr 1G-DDR3 SO2GBIII10Wxgag Parkxt Wxgag DDR3 HDD 1GB 2GB AS5551G LX.PUU01.003 N320GB5.4 N832G32Mn LX.PUU01.001 AS5551G LX.PUS01.003 NBDCB4 AS5551G LX.PUS02.014 Acla EME AS5551 LX.PTQ02.021 UMA SO2GBIII10 UMA SO2GBIII13B UMA SO1GBIII10 SO1GBIII13 Ksbr AS5551 LX.PTQ02.016 AS5551 LX.PWK02.002 McAfee 1-Build 3rd WiFi N332G32Mn 2x2 BGN Appendix a 186 Test Compatible Components Appendix B Battery Microsoft Windows 7 Environment TestVendor Type Description Adapter Vendor Type Description Toshiba Digi MK3265GSX Sata 8MB LF F/WGJ002J N15.6WXGAGNLED15.6WXGAG Kingston InnoluxNLED15.6WXGAGB SO1GBIII13BR NB Chipset Wireless LAN Vendor Type Description WiFi AntennaBluetooth Audio Codec 23707801 3rd WiFi BG Foxconn Wirelss LAN Atheros HB95BG HM Online Support Information Appendix C 196 Index Removing 72, 73, 75 199 200