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Acer EM250 manual Disconnect the FFC and remove the Keyboard

Models: EM250

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6.Disconnect the FFC and remove the Keyboard.

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Acer EM250 manual Disconnect the FFC and remove the Keyboard

Contents

EMachines eM250 Series Service Guide Revision History Copyright IIIConventions Preface Page Table of Contents Troubleshooting 119 ViiiJumper and Connector Locations 143 Windows XP Environment TestTable of Contents Features ChapterPower CommunicationPrivacy control Special keys and controlsSystem Block Diagram ICH7MYour eMachines Notebook tour Front ViewIcon Description Closed Front View Left ViewRight View Rear and Base ViewIndicators Icon Function DescriptionHDD TouchPad Basics Function Left Button Right Button Main TouchPadUsing the Keyboard Lock Keys and embedded numeric keypadWindows Keys Key DescriptionHot Keys Hotkey Icon Function DescriptionEuro symbol Special KeysUS dollar sign Hardware Specifications and Configurations Processor SpecificationProcessor Specifications System Memory Specification System Storage SpecificationHard Disk Drive Interface Specification LED Specification LTN101NT02-A01, LPL LP101WSA-TLA1Audio Codec and Amplifier Specification LAN Interface SpecificationKeyboard Specification LvdsMini Card Specification Camera Specification3G Card Specification Wireless LAN SpecificationChapter Bios Setup Utility Navigating the Bios UtilityInformation Parameter DescriptionUuid Main Parameter Description Format/OptionEnabled or SecurityParameter Description Option Clear or SetSetting a Password Removing a PasswordChanging a Password ContinueBoot USB CdromExit Exit Exit Saving ChangesBios Flash Utility DOS Flash Utility USB HDDPage WinFlash Utility Remove HDD/BIOS Password Utilities Removing HDD PasswordPassword UnlockHDRemoving Bios Passwords Cleaning Bios PasswordsUsing Boot Sequence Selector Using DMIToolsMiscellaneous Utilities Using the LAN MAC Utility Example 1 Read DMI Information from MemoryExecute MAC.BAT to write MAC information to eeprom Chapter Chapter Disassembly Requirements Related InformationPre-disassembly Instructions Disassembly ProcessGeneral Information Main Screw List Quantity Part NumberExternal Module Disassembly Process External Modules Disassembly FlowchartScrew List Step Quantity Removing the Battery Pack Removing the Lower Covers Step Size Quantity Screw Type Lower Covers M2*4Chapter Removing the Hard Disk Drive Module Step Size Quantity Screw Type HDD Module M2*4Step Size Quantity Screw Type HDD Carrier M3*3 Removing the Dimm Module Removing the 3G Module Step Size Quantity Screw Type 3G Module M2*3Detach the 3G Module from the socket Chapter Main Unit Disassembly Process Main Unit Disassembly FlowchartRemoving the Keyboard Disconnect the FFC and remove the Keyboard Removing the Upper Cover Step Size Quantity Screw TypeChapter Step Size Quantity Screw Type Upper Cover M2*4 Chapter Removing the Power Board Step Size Quantity Screw Type Power Board M2*3Chapter Removing the Bluetooth Module Removing the TouchPad FFC Removing the Wlan Board Step Size Quantity Screw Type Wlan Board M2*3Remove the Wlan Board from the Mainboard Removing the USB Board Step Size Quantity Screw Type USB Board M2*4Chapter Removing the Mainboard Step Size Quantity Screw Type Mainboard M2*4 Page Removing the RTC Battery Removing the Thermal Module Step Size Quantity Screw Type Thermal Module M2*4Lift the Thermal Module clear of the Mainboard Removing the Speaker Module Step Size Quantity Screw Type Speaker Module M2*4Chapter Removing the LCD Module Chapter Step Size Quantity Screw Type LCD Module M2*4 Removing the AC Power Jack LCD Module Disassembly Process LCD Module Disassembly FlowchartRemoving the LCD Bezel Step Size Quantity Screw Type LCD Bezel M2*4Page Removing the Camera Board Removing the LCD Panel Step Size Quantity Screw Type LCD Panel M2*4Chapter Removing the LCD Brackets and FPC Cable Step Size Quantity Screw Type LCD Brackets M2*3Left Right Bracket Step Size Quantity Screw Type Hinge Covers M2*3Removing the Antennas Chapter Page LCD Module Reassembly Procedure Replacing the AntennasPage 3G and Wlan Models Wlan Only Models Replacing the LCD Cable and Brackets Left Right Bracket Page Replacing the LCD Panel Replacing the Camera Board Connect the Camera cable as shown Replacing the LCD Bezel Main Module Reassembly Procedure Replacing the AC Power JackReplacing the LCD Module Chapter Page Replacing the Speaker Module Replacing the Thermal Module Replacing the Mainboard Page Replacing the USB Board Replacing the Wlan Board Replacing the Bluetooth Module Replacing the TouchPad FFCPage Replacing the Power Board Page Replacing the Upper Cover Page Connect B to the Mainboard Replacing the Keyboard Replacing the 3G Module114 Chapter Replacing the Dimm Module Replacing the Hard Disk Drive ModuleReplace the single screw to secure the HDD in place Replacing the Lower Covers Replacing the Battery Pack Common Problems Symptoms Verified Go ToPower On Issue Computer Shuts down IntermittentlySW/B No Display Issue No Post or VideoRandom Loss of Bios Settings Abnormal Video DisplayLCD Failure Built-In Keyboard FailureTouchPad Failure FFCSound Problems Internal Speaker Failure126 Chapter Microphone Problems Select Set up microphoneInternal Microphone Failure HDD Not Operating Correctly Select Repair your computerSelect Startup Repair USB Failure Rightside Wireless Function Test Failure 3G Function Test Failure Switch Failure Power Button Failure Thermal Units FailureExternal Mouse Failure Other FailuresIntermittent Problems Undetermined ProblemsDimm Motherboard Cmos Discharge Post Code Reference Tables SecMemory Code DescriptionBDS & Specific action Each Peim entry point used in 80PORT Each Driver entry point used in 80PORTCF9RESET BootpriorityFvbservice SmbiosLegacybios LegacybiosplatformSetuputility FwblockserviceEach SmmDriver entry point used in 80PORT Top View Bottom View Power board SW1LED1 Card reader board JUSB2JREAD1 LED2 3GWWAN LED JSATA1Clearing Password Check and Bios Recovery Clearing Password CheckSteps for Clearing Bios Password Check Hardware Open Gap DescriptionBios Recovery by Crisis Disk Bios Recovery Boot BlockBios Recovery Hotkey Steps for Bios Recovery by USB Flash Crisis DiskFRU Field Replaceable Unit List EMachines eM250 Exploded Diagrams Main AssemblyDescription Part Number Rear Assembly Upper Cover Assembly Lower Cover Assembly LCD Assembly Power Board EMachines eM250 FRU ListAcerPN Acer Description 04AC LFIO Board Blue Tooth CableDC-IN CABLE-30W IO Board CableAcerPN Acer Description 42.S6802.004 HDD DOOR-BLACK 158 Chapter 159 LCD ANTENNA, CCD, BlackLCD Hinge Cover R-BLACK LCD Hinge Cover L-BLACKScrew List Acer Description Acer PNModel Definition and Configuration Appendix aEMachines eM250 Series Model eM250-01G16Appendix a 166 Switzerl LX.N970 EM250-01G16i AOXPHeTCH1 UMACks 1*1G/160 Appendix a 168 Gctwn Model eM250-01G25i Model eM250-02G16i Appendix a 172 Test Compatible Components Appendix BWindows 7 Environment Test Vendor Type Description Item NoVendor Type Description Item No CPU Intel ATMN270B Intel ATMN280BHDD Seagate ToshibaSamsung SO512MBII Hynix SO512MBIINanya SO1GBII6 178 ICH7M UMA180 Online Support Information Appendix C182 Index 184 ODD 129 186