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Aspire Digital 4625G manual Removing the Lower Cover, Step, Size, Quantity, Screw Type, M2.5*6.5

Models: 4625G 4625

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Removing the Lower Cover

1.See “Removing the Battery Pack” on page 48.

2.Remove the six (6) screws from the lower cover.

Step	Size	Quantity	Screw Type

Lower Cover	M2.5*6.5	5

3.Remove the lower cover as shown.

Chapter 3

Page 60

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Aspire Digital 4625G manual Removing the Lower Cover, Step, Size, Quantity, Screw Type, M2.5*6.5, Chapter

Contents

Aspire 4625/4625G Series Service Guide PRINTED IN TAIWANRevision History UpdatesDate ChapterCopyright DisclaimerConventions SCREEN MESSAGESPreface Page Table of Contents System SpecificationsMachine Disassembly and Replacement System UtilitiesTable of Contents TroubleshootingTable of Contents Jumper and Connector LocationsTable of Contents System Specifications FeaturesChapter Operating SystemDimensions and weight AudioStorage Optical DrivePower adapter and battery Special keys and controlsI/O interface SoftwareOptional Items Warranty EnvironmentOne-year International Travellers Warranty ITW Temperature Operating 41 F to 95 F 5 C to 35 CSystem Block Diagram AMD ChamplainNORTH BRIDGE ChapterYour Acer Aspire Notebook tour Front ViewIcon DescriptionIcon DescriptionClosed Front View Left ViewIcon DescriptionRight View Bottom ViewIcon DescriptionIndicators IconDescription IconTouchPad Basics FunctionLeft Button Right ButtonUsing the Keyboard Lock Keys and embedded numeric keypadDesired access Lock keyWindows Keys DescriptionHot Keys HotkeyIcon FunctionHardware Specifications and Configurations Skew ComparisonPart Specification Processor SpecificationsCPU Fan True Value Table Performance Mode PartCPU Fan True Value Table Power Saving Mode BIOSSpecification SpecificationSpecification SpecificationMemory Combinations SlotWireless Module SpecificationSpecification BluetoothSpecification Hard Disk Drive InterfaceSpecification Super-Multi Drive ModuleSpecification SpecificationBattery SpecificationSpecification System LED IndicatorSpecification SpecificationLCD Display Supported Resolution ResolutionSpecification SpecificationSpecification SpecificationSpecification Card ReaderSystem Power Management InitialStandby SuspendChapter BIOS Setup Utility Navigating the BIOS UtilitySystem Utilities ChapterAspire JV41 BIOS InformationExit F5/F6Main BootSecurity ExitSecurity BootInformation MainSetting a Password Removing a PasswordSet Supervisor Password Confirm New PasswordBoot BootInformation Main SecurityExit BootInformation SecurityBIOS Flash Utilities DOS Flash Utility BootInformation Main SecurityWinFlash Utility 2. Click OK to begin the update. A progress screen displaysPerform the following steps to use the WinFlash Utility 1. Double-click the WinFlash executableRemove HDD/BIOS Password Utilities Remove HDD PasswordRemoving BIOS Passwords Chapter Clearing BIOS Passwords ChapterUsing Boot Sequence Selector Using DMIToolsConfiguring UUID Values Using the LAN MAC EEPROM Utility2. Run UUID.bat Machine Disassembly and Replacement Disassembly RequirementsChapter Pre-disassembly Instructions Disassembly ProcessGeneral Information Main Screw ListExternal Module Disassembly Process External Modules Disassembly FlowchartScrew List StepRemoving the Battery Pack Please detach the battery and follow local regulations for disposalChapter Removing the SD dummy card 1. Push the SD dummy card all the way in to eject it2. Pull it out from the slot ChapterRemoving the Lower Cover StepSize QuantityRemoving the Optical Drive Module StepSize QuantityStep SizeQuantity Screw TypeRemoving the DIMM Modules 1. See “Removing the Lower Cover” on page3. Remove the DIMM module 4. Repeat steps for the second DIMM module if presentRemoving the WLAN Module StepSize Quantity4. Detach and remove the WLAN Board from the WLAN socket ChapterRemoving the Hard Disk Drive Module StepSize QuantityMain Unit Disassembly Process Main Unit Disassembly FlowchartScrew List StepRemoving the Keyboard Removing the Upper Cover C D AB3. Disconnect A as shown 5. Release the locking latch and remove C as shown4. Release the locking latch and remove B as shown 6. Release the locking latch and remove D as shownStep SizeQuantity Screw TypeRemoving the Power Switch Board 2. Locate the Power Switch Board in the Upper Cover1. See “Removing the Upper Cover” on page ChapterRemoving the Function Board StepSize QuantityStep SizeQuantity Screw TypeRemoving the USB Board StepSize QuantityRemoving the Bluetooth Module Bluetooth BoardStep SizeRemoving the LCD Module 2. Disengage the WiFi antennas from the guides on the bottom cover1. See “Removing the Upper Cover” on page Chapter4. Peel back the adhesive holding the LVDS cable 5. Pull up on the LVDS cable to disconnect it from the mainboardChapter 7. Remove the four securing screws two each side from the LCD module StepSize QuantityRemoving the Mainboard 1. See “Removing the Bluetooth Module” on page2. See “Removing the LCD Module” on page 3. Disconnect the right speaker cableRemoving the Thermal Module StepSize QuantityStep SizeQuantity Screw TypeRemoving the PCH Thermal Module Removing the CPU1. See “Removing the Mainboard” on page 2. remove the two 2 screws from the PCH Thermal ModuleRemoving the RTC Battery Please detach the mainboard and follow local regulations for disposalLCD Module Disassembly Process LCD Module Disassembly FlowchartScrew List StepRemoving the LCD Bezel StepSize QuantityRemoving the Camera Module 1. See “Removing the LCD Bezel” on page2. Disconnect the camera cable 3. Remove the Camera from the module ChapterRemoving the LCD Panel StepSize QuantityRemoving the FPC Cable 5. Lift the LCD Panel clear of the module as shown1. See “Removing the LCD Panel” on page 4. Remove the FPC cable from the panelRemoving the Microphone Module 1. See “Removing the LCD Panel” on page2. Remove the adhesive tape covering the microphone cable 3. Disengage the cable from the cable guidesRemoving the Antennas 1. See “Removing the LCD Panel” on page2. Disengage the left antenna cable from the guides 3. Disengage the right antenna cable from the guidesRemoving the Hinges StepSize QuantityLCD Module Reassembly Procedure Replacing the MIC and WiFi AntennasReplacing the FPC Cable 6. Replace the adhesive tape onto the microphone cable7. Ensure the antenna cables pass through the hinge well as shown ChapterReplacing the LCD Panel 2. Press down on the adhesive tape to secure the FPC cable in place3. Place the LCD Panel into the module as shown 4. Replace the four 4 securing screws to secure the LCD PanelReplacing the Webcam 1. Place the camera in the LCD Module2. Connect the cable to the camera module ChapterReplacing the LCD Bezel Main Module Reassembly Procedure Replacing the RTC BatteryReplacing the CPU CPU Pin1 LocatorReplacing the Thermal Module Replacing the PCH Thermal Module 1. Replace the PCH Thermal Module onto the Mainboard2. Replace the two 2 screws to secure the PCH Thermal Module ChapterPage Replacing the LCD Module 1. Replace the LCD module onto the chassis2. Replace the four securing screws two each side to the LCD module Chapter4. Snap the FPC cable into place 5. Connect the right speaker cable cover 6. Replace the WLAN cables into the cable guidesChapter 8. Insert the WLAN cables into the cable guides as shown ChapterReplacing the Bluetooth Module 2. Secure the Bluetooth module in place using the one 1 screw1. Connect the Bluetooth cable to the Mainboard ChapterReplacing the USB Board 1. Replace the USB Board in the Lower Cover4. Replace the single securing screw ChapterReplacing the Power Switch Board Replacing the Function BoardReplacing the Upper Cover 1. Place the Upper Cover on the Lower Cover back edge first2. Lower the cover into position and press down the sides as shown ChapterC D AB 4. Replace the eight 8 securing screws as shown5. Connect the four cables to the Mainboard as shown Chapter6. Connect A as shown 8. Insert C as shown and close the locking latch7. Insert B as shown and close the locking latch 9. Insert D as shown and close the locking latchReplacing the Keyboard 3. Press down as indicated to secure the Keyboard in placeChapter Replacing the ODD Module Replacing the Hard Disk Drive Module2. Secure the ODD bracket with the two screws 4. Replace the single screw to secure the Module2. Insert the HDD, left side first, and lower it into place 3. Slide the HDD to the right to connect the interfaceChapter Replacing the WLAN Board Replacing the DIMM Modules1. Insert the WLAN board into the WLAN socket 1. Insert the DIMM Module in placeReplacing the Lower Covers 1. Replace the HDD Cover as shown2. Secure the five captive screws to hold the covers in place ChapterReplacing the Battery Pack Replacing the Dummy CardsTroubleshooting Common ProblemsSymptoms Verified ChapterPower On Issue Computer Shutsdown IntermittentlyNo Display Issue No POST or VideoRandom Loss of BIOS Settings Abnormal Video DisplayLCD Failure Built-In Keyboard FailureChapter TouchPad Failure Internal Speaker FailureSound Problems Microphone Problemsb. Select Set up microphone HDD Not Operating Correctly d. Select Repair your computerg. Select Startup Repair ODD Failure ODD Not Operating CorrectlyDiscs Do Not Play Discs Do Not Burn ProperlyPlayback is Choppy a. Navigate to Start´ Control Panel´ Hardware and Sound´ AutoPlayDrive Not Detected Drive Read FailureWireless Function Failure Thermal Unit FailureExternal Mouse Failure Other FailuresIntermittent Problems Undetermined ProblemsPost Codes CodePOST Routine Description CodeCode BeepsPOST Routine Description CodeCode BeepsPOST Routine Description CodeFor Boot Block in Flash ROM CodeBeeps POST Routine DescriptionJumper and Connector Locations Top ViewChapter DescriptionBottom View DescriptionDescription Clearing 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 ChapterAspire 4625/4625G Exploded Diagrams LCD AssemblyDescription Acer P/NChassis Assembly DescriptionAcer P/N DescriptionDescription Acer P/NDescription Acer P/NFRU List BatteryCategory PartnameCategory PartnameDescription CablesCategory PartnameDescription Case/Cover/Bracket/Assembly CategoryPartname DescriptionCategory PartnameDescription DVD RW DriveCategory PartnameDescription Category PartnameDescription KeyboardCategory PartnameDescription Category PartnameDescription LCD ModuleCategory PartnameDescription MainboardCategory PartnameDescription MemoryCategory PartnameDescription HeatsinkScrew List Part NameDescription Model Definition and Configuration Appendix AAspire 4625/4625G ModelModel CountryAcer DescriptionModel CountryAcer DescriptionModel CountryAcer DescriptionModel CountryAcer Part No BOM NameModel CountryAcer Part No BOM NameModel CountryAcer Part No BOM NameModel CountryAcer Part No VRAMModel CountryAcer Part No VRAMModel CountryAcer Part No HDD 1GBModel CountryAcer Part No HDD 1GBTest Compatible Components Appendix BMicrosoft Windows 7 Environment Test BatteryVendor TypeVendor TypeDescription Vendor TypeDescription KeyboardVendor TypeDescription Vendor TypeDescription ModemWiFi Antenna Wireless LANVendor TypeAppendix B Online Support Information Appendix CAppendix C Index