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Acer 5940G manual TouchPad Failure, Internal Speaker Failure

Models: 5940G

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TouchPad Failure

If the TouchPad doesn’t work, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs:

Internal Speaker Failure

If the internal Speakers fail, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs:

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Chapter 4

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Acer 5940G manual TouchPad Failure, Internal Speaker Failure

Contents

Aspire 5940G Series Service Guide Revision History Copyright IIIConventions Preface Page Table of Contents 135 ViiiAspire 5940G Series Microsoft Windows 7 Environment TestTable of Contents Features ChapterCommunication Dimensions and WeightPower subsystem Privacy controlEnvironment System Block Diagram Fan ControlYour Acer Notebook tour Front ViewIcon Description Closed Front View HDDRear View Left ViewRight View 1394Bottom View TouchPad Basics with fingerprint reader 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 KeyUS dollar sign Using the System Utilities Acer GridVista dual-display compatibleHardware Specifications and Configurations System Memory Specification Memory Combinations Slot Total MemoryLAN Interface Specification Wireless Module 802.11b/g SpecificationHard Disk Drive Interface Specification Blueray Combo ModuleDVD-RW DVD+RWDVD-RAM Audio Interface Specification Super-Multi Drive ModuleSystem Board Major Chips Controller LCD 15.6 HD Specification Keyboard SpecificationBattery Specification Cell TBDBios Setup Utility Navigating the Bios UtilityHL-DT-ST Dvdram GT20N Information5SW1P2VA Parameter DescriptionDisabled MainParameter Description Format/Option Advanced Parameter Description Submenu ItemsAspm L1 IGD-TVAspm URRParameter Description Option Disabled orSecurity Clear or SetSetting a Password Removing a PasswordChanging a Password ContinuePower Acpi S3Acpi S3 Boot USB CdromAdvanced Security Power Boot Exit Exit Saving Changes ExitBios Flash Utilities DOS Flash Utility Chapter WinFlash Utility Password Remove HDD/BIOS Password UtilitiesRemove HDD Password UnlockHDRemoving Bios Passwords Cleaning Bios PasswordsUsing Boot Sequence Selector Using DMITools InputOutput Using the ICW50/ICY70 LAN MAC Utility Chapter Machine Disassembly and Replacement Disassembly RequirementsGeneral Information Pre-disassembly InstructionsDisassembly Process Main Screw List Quantity Part NumberScrew List Step Quantity External Module Disassembly ProcessExternal Modules Disassembly Flowchart ODDRemoving the Battery Pack Removing the Express Dummy Card Removing the SD Dummy Card Removing the Lower Covers Wlan HDDRemoving the Optical Drive Module Step Size Quantity Screw Type ODD Module M2.5*5Step Size Quantity Screw Type ODD Bracket M2*3 Removing the Hard Disk Drive Module Step Size Quantity Screw Type HDD Carrier M3*3 Removing the Dimm Modules Removing the Wlan Module Step Size Quantity Screw Type Wlan Module M2*3Chapter Main Unit Disassembly Process Upper Cover Disassembly FlowchartLower Cover Disassembly Flowchart VGA/MXMCpuscrewsprin Removing the Keyboard Chapter Removing the Upper Cover Step Size Quantity Screw TypeStep Size Quantity Screw Type Keyboard Cover M2.5*5 Page Removing the Media Board Securing ClipPage Removing the Launch Board Page Removing the Speaker Module Step Size Quantity Screw Type Speaker Module M2.5*3Page Removing the Power Saving Board Page Removing the Volume Control Board Removing the MIC Board Removing the Button Board and Finger Print Reader Step Size Quantity Screw Type Button Board M2.5*5Finger Print M2*3 Reader Chapter Remove the Finger Print Reader from the bracket as shown Removing the TouchPad Bracket Remove the two screws securing the TouchPad Bracket in place Removing the LCD Module Chapter Page Chapter Step Size Quantity Screw Type LCD Module M2.5*5 Chapter Removing the Saddles Step Size Quantity Screw Type Right Saddle M2.5*5Lift the right side Saddle clear of the Lower Cover as shown Removing the USB Board Step Size Quantity Screw Type USB Board M2.5*3Removing the Subwoofer Removing the Bluetooth Module Disconnect the cable from the Bluetooth Module Removing the Card Reader Board Removing the Hinge Wells Step Size Quantity Screw Type Hinge Wells M2.5*3Removing the Mainboard Step Size Quantity Screw Type Mainboard M2.5*3Removing the RTC Battery Removing the VGA/MXM Card Removing the Thermal Module Step Size Quantity Screw Type Thermal ModulePage Removing the CPU Main Module Reassembly Procedure Replacing the CPUReplacing the Thermal Module Replacing the VGA/MXM Card Replacing the Mainboard Replacing the Hinge Wells Replacing the Card Reader BoardReplacing the Bluetooth Module Connect the Bluetooth cable to the module as shownReplacing the Subwoofer Replacing the USB BoardReplacing the Saddles Replacing the LCD Module Replacing the TouchPad Bracket Step Size Quantity Screw Type Replacing the Button Board and Finger Print Reader Page Adhire the Button Board FFC to the back of the touchpad Replacing the MIC Board Replacing the Volume Control Board Replacing the Power Saving Board 118 Chapter Replacing the Speaker Module 120 Chapter Replacing the Launch Board 122 Chapter Replacing the Media Board Replacing the Upper Cover Page 126 Chapter Step Size Quantity Screw Type Replacing the Keyboard Replacing the Wlan Module 130 Chapter Replacing the Dimm Modules Replacing the Hard Disk Drive ModuleReplacing the ODD Module Replacing the Lower Covers Replacing the SD Dummy CardReplacing the Battery Replacing the PCI Express Dummy CardCommon Problems Symptoms Verified Go ToPower On Issue Computer Shutsdown IntermittentlyNo Display Issue No Post or VideoRandom Loss of Bios Settings Abnormal Video DisplayLCD Failure Built-In Keyboard FailureTouchPad Failure Internal Speaker FailureSound Problems Microphone Problems Select Set up microphoneInternal Microphone Failure HDD Not Operating Correctly Select Repair your computerSelect Startup Repair ODD Failure ODD Not Operating CorrectlyDiscs Do Not Play Drive Not Detected Wireless Function Failure Modem Function FailureThermal Unit Failure External Mouse FailureOther Failures Intermittent Problems Undetermined ProblemsDimm Port 80 Code Driver Name Post CodesChipset Post Codes SNPCode Beeps Post Routine Description Code Beeps Post Routine Description Display prompt Press F2 to enter Setup Code Beeps For Boot Block in Flash ROM Code Beeps For Boot Block in Flash ROM Top View Bottom View Backlight on/off Connector LS-5011P LCD Backlight BoardLED2 LS-5012P Launch BoardLED1 LED3LS-5013P Media Board LS-5014P VR Board LS-5015P Finger printer Board LTT-SS801U-13LGA28LS-5016P USB Board JP1ANT1 JREAD1 LS-5017P IO BoardJMINI1 JMINI2LS-5018P Power Saving Board LS-5019P Touch pad button Board Steps 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 Crisis Disk170 Chapter FRU Field Replaceable Unit List Aspire 5940G Series Exploded Diagrams Main AssemblyDescription Acer P/N Base Assembly Aspire 5940G Series FRU List Description Acer Part NumberUSB Cable Power Saving CableFFC RF CableHDD Door HDD ConnectorVR Button Volume Control Mini DoorChapter 177 ODD Bracket ODD SUPER-MULTI Drive ModuleODD BEZEL-SM ODD BD Combo ModuleAntenna WIMAX-MAIN Assy LED Module 15.6W Wxga GlareLCD COVER-IMRBLUE Antenna WIMAX-AUXScrew List Category Description Acer P/N ScrewChapter 181 Appendix a Aspire 5940G SeriesModel Country Acer Part No Description W7HP64RUATRU1 MC W7HP64EMATME2 MCTWN Gctwn W7HP64RUATUK1 MCW7HP64EMATTH1 MC W7HP64EMATID1 MCW7HP64EMATTR1 MC W7HP64EMA1ME2 MCW7HP64EMATME3 MC W7HP64EMATME6 MC W7HP64EMATZA4 MCW7HP64EMATME4 MC Ukraine LX.PFQ02.059 AS5940G-724G50Bi Italy LX.PFQ07.013 AS5940G-724G50Bn W7UT64ATIT1 W7HP64EMATME9 MC W7HP64EMATDZ1 MCW7HP64EMATZA1 MC Luxembour LX.PFQ02.027 AS5940G-724G50Wn W7HP64ATLU3 Hungary LX.PFQ02.042 AS5940G-724G50Wn W7HP64ATHU1 Spain LX.PFQ02.043 AS5940G-724G50Wn W7HP64ATES1 NLED15.6WXGAG ModelMemory Chip SO2GBIII10Appendix a 194 195 Media Extra SW1 2GB Processor NBDRW4XSNBDCB4XS NSM8XS AS5940G-724G50Bn N500GB5.4KS 199 Model Card Reader Wireless LAN1 Bluetooth 201 Model Card Reader Wireless LAN1 Bluetooth 203 Appendix a 204 Test Compatible Components Appendix BVendor Description ITEMNo Adapter BatteryMicrosoft Windows 7 Environment Test Audio CodecVendor Description ITEMNo CameraFinger Print Vendor Description ITEMNo 210 Keyboard Memory Appendix B 213 Vendor Description ITEMNo NB Chipset Appendix B 215 Remote Controller Sata Hlds NBDCB4XSSoftware WiFi AntennaWireless LAN TV Antenna218 Online Support Information Appendix C220 Index ODD 223 224