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Acer EM250 manual 186

Models: EM250

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Acer EM250 manual 186

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 ChapterPrivacy control PowerCommunication Special keys and controlsSystem Block Diagram ICH7MIcon Description Your eMachines Notebook tourFront View Closed Front View Left ViewRight View Rear and Base ViewHDD IndicatorsIcon Function Description TouchPad Basics Function Left Button Right Button Main TouchPadUsing the Keyboard Lock Keys and embedded numeric keypadWindows Keys Key DescriptionHot Keys Hotkey Icon Function DescriptionUS dollar sign Euro symbolSpecial Keys Processor Specifications Hardware Specifications and ConfigurationsProcessor Specification Hard Disk Drive Interface Specification System Memory SpecificationSystem Storage Specification LED Specification LTN101NT02-A01, LPL LP101WSA-TLA1Keyboard Specification Audio Codec and Amplifier SpecificationLAN Interface Specification Lvds3G Card Specification Mini Card SpecificationCamera Specification Wireless LAN SpecificationChapter Bios Setup Utility Navigating the Bios UtilityUuid InformationParameter Description Main Parameter Description Format/OptionParameter Description Option Enabled orSecurity 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 Password Remove HDD/BIOS Password UtilitiesRemoving HDD Password UnlockHDRemoving Bios Passwords Cleaning Bios PasswordsMiscellaneous Utilities Using Boot Sequence SelectorUsing DMITools 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 InformationGeneral Information Pre-disassembly InstructionsDisassembly Process Main Screw List Quantity Part NumberScrew List Step Quantity External Module Disassembly ProcessExternal Modules Disassembly Flowchart 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 ToSW/B Power On IssueComputer Shuts down Intermittently 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 Internal Microphone Failure Microphone ProblemsSelect Set up microphone Select Startup Repair HDD Not Operating CorrectlySelect Repair your computer USB Failure Rightside Wireless Function Test Failure 3G Function Test Failure Switch Failure Power Button Failure Thermal Units FailureExternal Mouse Failure Other FailuresDimm Intermittent ProblemsUndetermined Problems Motherboard Cmos Discharge Memory Post Code Reference TablesSec Code DescriptionBDS & Specific action Each Peim entry point used in 80PORT Each Driver entry point used in 80PORTFvbservice CF9RESETBootpriority SmbiosSetuputility LegacybiosLegacybiosplatform FwblockserviceEach SmmDriver entry point used in 80PORT Top View Bottom View LED1 Power boardSW1 JREAD1 Card reader boardJUSB2 LED2 3GWWAN LED JSATA1Steps for Clearing Bios Password Check Clearing Password Check and Bios RecoveryClearing Password Check Hardware Open Gap DescriptionBios Recovery Hotkey Bios Recovery by Crisis DiskBios Recovery Boot Block Steps for Bios Recovery by USB Flash Crisis DiskFRU Field Replaceable Unit List Description Part Number EMachines eM250 Exploded DiagramsMain Assembly Rear Assembly Upper Cover Assembly Lower Cover Assembly LCD Assembly AcerPN Acer Description Power BoardEMachines eM250 FRU List 04AC LFDC-IN CABLE-30W IO BoardBlue Tooth Cable IO Board CableAcerPN Acer Description 42.S6802.004 HDD DOOR-BLACK 158 Chapter 159 LCD Hinge Cover R-BLACK LCDANTENNA, CCD, 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 HDD Seagate CPU Intel ATMN270BIntel ATMN280B ToshibaNanya SO1GBII6 Samsung SO512MBIIHynix SO512MBII 178 ICH7M UMA180 Online Support Information Appendix C182 Index 184 ODD 129 186