EasyTouch Button Failure, Media Board Failure | Acer 4935G SERIES

EasyTouch Button Failure

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

Start


				OK


Check Function/B to									Reconnect the
Check Function/B to					NG				Function/B to MB
MB connection					NG				Function/B to MB
									FFC cable




				OK


Check Function/B									Swap the Function
Check Function/B					NG				Swap the Function
and FFC					NG				Board

Swap Mainboard

Media Board Failure

If the Media Board fails, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs:

Chapter 4

159

Image 169

Acer 4935G SERIES manual EasyTouch Button Failure, Media Board Failure

Contents

Aspire 4935/4935G Series Service Guide Revision History III Copyright Conventions Preface Page Table of Contents Table of Contents Microsoft Windows Vista Environment Test Aspire 4935/4935G Series Table of Contents Chapter Features Power subsystem Dimensions and WeightCommunication Privacy control Environment Intel Penryn Processor System Block Diagram Front View Your Acer Notebook tourIcon Description Closed Front View Hdmi Left View Rear View Right View Bottom View Easy-Launch Buttons IndicatorsHDD Icon Function Description Function Left Button Right Button Main touchpad Touchpad Basics with fingerprint reader Lock Keys and embedded numeric keypad Using the Keyboard Key Description Windows Keys Hotkey Icon Function Description Hot Keys Special Key Euro symbolUS dollar sign Acer GridVista dual-display compatible Using the System UtilitiesPage Processor Specification Hardware Specifications and ConfigurationsProcessor Specifications System Board Major Chips Specifications Specifications Bios ROM Memory Combinations Slot Total Memory System Memory Specifications0MB RPM Hard Disk Drive Interface Specifications 2MB Super-Multi Combo Module SpecificationSata DVD-RW DVD+RW CD-DA CD-ROM CD-ROM/XA Super-Multi Combo Module Specification DMA Blueray Combo Drive Specification LG LP140WH1 LCD SpecificationLvds Keyboard Specification VGA Graphic Controller SpecificationMedia Card Reader Specification Audio Interface Specification Battery Finger Print Reader SpecificationSony AS-2007A Navigating the Bios Utility Bios Setup Utility Parameter Description Information Disabled Enables or disables the Press F12 to display bootMain Parameter Description Format/Option Parameter Description Submenu Items Advanced USB IGD TVAspm Aspm L1 Parameter Description Submenu Items Security Disabled orParameter Description Option Clear or Set Removing a Password Setting a Password Changing a Password Emttm PowerDTS Acpi S3 USB HDD USB Cdrom Boot Exit Saving Changes Exit Bios Flash Utilities USB HDD DOS Flash Utility WinFlash Utility Remove HDD Password Remove HDD/BIOS Password Utilities Removing Bios Passwords Key in biospw 14452 Cleaning Bios Passwords Using DMITools Using Boot Sequence SelectorMiscellaneous Utilities Example 2 Write Product Name to Eeprom Chapter Disassembly Requirements Machine Disassembly and Replacement Disassembly Process Pre-disassembly InstructionsGeneral Information Main Screw List Description Quantity Acer P/N External Modules Disassembly Flowchart External Module Disassembly ProcessScrew List Step Quantity Removing the Battery Pack Removing the SD dummy card Removing the ExpressCard dummy card Dimm Removing the Lower Covers Carefully open the HDD Cover Step Size Quantity Screw Type Wlan Module M2*3 Removing the Wlan Module Removing the Dimm Modules Removing the Hard Disk Drive Module Step Size Quantity Screw Type HDD Carrier M3*3 Step Size Quantity Screw Type ODD Module M2.5*5 Removing the Optical Disk Drive Module Step Size Quantity Screw Type ODD Bracket M2*3 Main Unit Disassembly Flowchart Main Unit Disassembly Process Step Screw Quantity Step Size Quantity Screw Type Hinge Covers M2*3 Removing the Hinge Covers Step Size Quantity Screw Type Removing the Switch CoverPage Removing the Keyboard Step Size Quantity Screw Type Function Board M2.5*3 Removing the Function Board Step Size Quantity Screw Type Speaker Module M2.5*3 Removing the Speaker ModulePage Step Size Quantity Screw Type LCD Module M2.5*5 Removing the LCD ModulePage Chapter Remove the two securing screws from the left LCD hinge Remove the two securing screws from the right LCD hinge Removing the Upper Base Unlock the connector and disconnect D as shown Page Removing the Finger Print Reader Page Removing the TouchPad Bracket Remove the TouchPad Bracket from the Upper Base Chapter Step Size Quantity Screw Type Ekey Board M2.5*3 Removing the eKey Board Removing the Media Board Chapter Step Size Quantity Screw Type USB Board M2.5*3 Removing the USB Board Lift the USB Board clear of the casing Step Size Quantity Screw Type Modem Module M2*3 Removing the Modem Module Removing the Bluetooth Module Step Size Quantity Screw Type Mainboard M2.5*3 Removing the Mainboard Lift the mainboard right side first to remove from the base Removing the RJ-11 Port Chapter Removing the Thermal Module Chapter Removing the CPU LCD Module Disassembly Flowchart LCD Module Disassembly Process Step Size Quantity Screw Type LCD Bezel M2.5*5 Removing the LCD Bezel Lift the bezel away from the panel Step Size Quantity Screw Type Camera Module M2.5*3 Removing the Camera Module Removing the LCD Panel Lift the LCD Panel out of the casing as shown Chapter 105 Removing the LCD Brackets and FPC Cable Removing the Antennas Removing the MIC Module Replacing the MIC Module LCD Module Reassembly Procedure Replacing the Antennas Page 112 Chapter Replacing the LCD Panel 114 Chapter Replacing the Camera Module Replacing the LCD Bezel Replacing the CPU Main Module Reassembly Procedure Replacing the Thermal Module Replacing the RJ-11 Port Insert the cable through the casing to the top side as shown Replacing the Mainboard Replacing the Modem Module Replacing the Bluetooth Board Replacing the USB Board Replacing the Media Board Replacing the TouchPad Bracket Replacing the eKey BoardPlace the TouchPad in the casing Replacing the Finger Print Reader Replacing the Upper Cover 128 Chapter Page Replacing the LCD Module Chapter 131 Replace the adhesive strip to secure the cables in place Replace the two securing screws Chapter 133 Replacing the Speaker Module Replacing the Function Board Replacing the Keyboard Replacing the Switch Cover 138 Chapter Replacing the Hinge Covers Replacing the ODD Module Replacing the Dimm Modules Replacing the Hard Disk Drive ModulePlace the HDD carrier on the HDD Replacing the Lower Covers Replacing the Wlan Module Replacing the ExpressCard and SD Card Dummy Trays Replacing the Battery 144 Chapter Symptoms Verified Go To Common Problems Computer Shutsdown Intermittently Power On Issue No Post or Video No Display Issue Abnormal Video Display Random Loss of Bios Settings Built-In Keyboard Failure LCD Failure Internal Speaker Failure Touchpad Failure Sound Problems Select Set up microphone Microphone ProblemsInternal Microphone Failure Select Repair your computer HDD Not Operating CorrectlySelect Startup Repair ODD Not Operating Correctly ODD Failure Discs Do Not Play Drive Not Detected Modem Function Failure USB Failure Rightside Bluetooth Function Failure Wireless Function Failure Media Board Failure EasyTouch Button Failure Thermal Unit Failure Fingerprint Reader Failure Other Failures External Mouse Failure Undetermined Problems Intermittent Problems Sec Post Codes TablesMemory Code Description BDS & Specific action Each Driver entry point used in 80PORT Each Peim entry point used in 80PORT Bootpriority CF9RESETFvbservice Smbios Legacybiosplatform LegacybiosSetuputility Fwblockservice Each SmmDriver entry point used in 80PORT Pin Description Top View Bottom View Clearing Password Check Clearing Password Check and Bios RecoverySteps for Clearing Bios Password Check Hardware Open Gap Description Bios Recovery Boot Block Bios Recovery by Crisis DiskBios Recovery Hotkey Steps for Bios Recovery by Crisis Disk FRU Field Replaceable Unit List Main Module Aspire 4935/4935G Exploded Diagrams Category Description Acer P/N Adapter Aspire 4935/4935G FRU ListBoard Category Description Acer P/N Case/Cover/Bracket AssemblyCable Combo Drive CPU/Processor Blueray Combo Super Multi Drive Keyboard Keyboard AR/FR ARABIC/FRENCH Keyboard ND ScandinavianKeyboard CB Canadian Bilingual Keyboard SV Slovak Heatsink MemorySpeaker Miscellaneous Category Description Acer P/N Screw Screw ListScrew M 2.5D Screw M M 3.0D Chapter 183 Aspire 4935/4935G Series Appendix aModel Country Acer Part No Description LINPUSAVN1 Umace 1*2G VHP32ATMY1 MC UmaceVHP32ATSG1 MC Umacef VHP32ATZA2 MC Umace EmeaVHP32ATZA1 MC Umace VHP32ATDK1 MC Umace VHP32ATEU5 MC Umace VHP32ATEU3 MC UmaceVHP32ATEU7 MC Umace VHP32ATHU1 MC Umace VHP32ATME2 MC Umace VHP32ATME9 MC UmaceVHP32ATME3 MC Umace VHP32ATME4 MC Umace VHP32ATPH1 MC Umace LINPUSATH1 Umacef 1*2G China VHP32ATVN1 MC UmacefVHB32ATCN1 MC Umacef LINPUSAVN1 Umacef 1*2G LINPUSACN1 Umacef 1*1GVHP32ATCA2 MC Umacef VHP32ATUS1 MC Umacef LINPUSAVN1 Umace 2G+1G VHP32ATEA3 MC UmacefVHP32ATMY1 MC Umacef VHP32AWW1 MC Umacef VHP32ATTH1 MC LINPUSATH1VHP32ATRU1 MC VHP32ATUK1 MC VHP32ATLU1 MC VHP32ATNL1 MCVHP32ATSE1 MC VHP32ATEU4 MC VHP32ATIL1 MC VHP32ATGR1 MCVHP32ATIT1 MC VHP32ATME9 MC LINPUSACN1 VHP32ATGB1 MCVHB32ATCN1 MC VHP32ATSG1 MC VHP32ATPH1 MC Middle East LX.AC90X.040 AS4935G-733G32Mn EM Ukraine LX.AC90X.025 AS4935G-733G32Mn VHP32AWW1 MC VHB32ATMY1 MCVHP32ATMY1 MC VHP32ATID1 MC VHP32ATEA1 MC VHP32ATXC2 MCVHP32ATEA3 MC Singapore LX.AD80X.013 AS4935G-864G32Mn C2DP8600 VGA Chip ModelNLED14WXGAG UMA SO1GBII6 NLED14WXGAG UMA SO2GBII6 583G25Mn AS4935 583G32Mn AS4935 593G32Mn AS4935 NLED14WXGAG 9MGSHM 644G32Mn Appendix a 208 SO2GBII6 SO1GBII6 733G32Mn Appendix a 210 841G16Mn AS4935G Finger Print Card ReaderNSM8XS 1-Build SP1x2MMW 583G16Mn AS4935 1-Build SP1x2MMW AES1610 583G32Mn AS4935 1-Build SP1x2MMW AES1610 591G25Mn AS4935 1-Build SP1x2MMW AES1610 731G25Mn AS4935 1-Build SP1x2MMW AES1610 582G32Mn AS4935G 1-Build SP1x2MMW AES1610 731G16Mn AS4935G 1-Build SP1x2MMW 733G32Mn AS4935G 1-Build SP3x3MMW AES1610 733G32Mn AS4935G NBDCB2XS Appendix a 222 Appendix B Test Compatible Components Microsoft Windows Vista Environment Test BluetoothVendor Type Description Adapter Audio Codec Finger Print Reader Vendor Type Description Darfon Seagate Sata LF F/W0001SDM1NLED14WXGAG AUO Vendor Type Description Modem Remote ControlNorhtbridge Southbridge ONE Time BGN Vender Intel FCC/IC Appendix C Online Support Information 230 Index 232