Fingerprint Reader Failure | Acer 4935G SERIES manual

Fingerprint Reader Failure

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

Thermal Unit Failure

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

	Start


					OK


										Reconnect the
Check Fan power cable						NG				cable to the
Check Fan power cable						NG				cable to the
										Mainboard
										Mainboard


					OK


										Swap the Thermal
	Check Fan					NG				Swap the Thermal
	Check Fan					NG				Module




					OK

	CPU Heatink well

						NG				Seat it well
	seated?					NG				Seat it well




					OK



	Check CPU					NG				Swap CPU
	Check CPU					NG				Swap CPU

Swap Mainboard

160

Chapter 4

Image 170

Acer 4935G SERIES manual Fingerprint Reader Failure, Thermal Unit Failure

Contents

Aspire 4935/4935G Series Service Guide Revision History Copyright III Conventions Preface Page Table of Contents Table of Contents Aspire 4935/4935G Series Microsoft Windows Vista Environment Test Table of Contents Features Chapter Communication Dimensions and WeightPower subsystem Privacy control Environment System Block Diagram Intel Penryn Processor Icon Description Your Acer Notebook tourFront View Closed Front View Left View Hdmi Right View Rear View Bottom View HDD IndicatorsEasy-Launch Buttons Icon Function Description Touchpad Basics with fingerprint reader Function Left Button Right Button Main touchpad Using the Keyboard Lock Keys and embedded numeric keypad Windows Keys Key Description Hot Keys Hotkey Icon Function Description US dollar sign Euro symbolSpecial Key Using the System Utilities Acer GridVista dual-display compatiblePage Processor Specifications Hardware Specifications and ConfigurationsProcessor Specification System Board Major Chips Specifications Specifications Bios ROM 0MB System Memory SpecificationsMemory Combinations Slot Total Memory Hard Disk Drive Interface Specifications RPM Sata Super-Multi Combo Module Specification2MB DVD-RW DVD+RW CD-DA CD-ROM CD-ROM/XA Specification Super-Multi Combo Module Blueray Combo Drive Specification DMA Lvds LCD SpecificationLG LP140WH1 Media Card Reader Specification VGA Graphic Controller SpecificationKeyboard Specification Audio Interface Specification Sony AS-2007A Finger Print Reader SpecificationBattery Bios Setup Utility Navigating the Bios Utility Information Parameter Description Main Enables or disables the Press F12 to display bootDisabled Parameter Description Format/Option Advanced Parameter Description Submenu Items Aspm IGD TVUSB Aspm L1 Parameter Description Submenu Items Parameter Description Option Disabled orSecurity Clear or Set Setting a Password Removing a Password Changing a Password DTS PowerEmttm Acpi S3 Boot USB HDD USB Cdrom Exit Exit Saving Changes Bios Flash Utilities DOS Flash Utility USB HDD WinFlash Utility Remove HDD/BIOS Password Utilities Remove HDD Password Key in biospw 14452 Removing Bios Passwords Cleaning Bios Passwords Miscellaneous Utilities Using Boot Sequence SelectorUsing DMITools Example 2 Write Product Name to Eeprom Chapter Machine Disassembly and Replacement Disassembly Requirements General Information Pre-disassembly InstructionsDisassembly Process Main Screw List Description Quantity Acer P/N Screw List Step Quantity External Module Disassembly ProcessExternal Modules Disassembly Flowchart Removing the Battery Pack Removing the SD dummy card Removing the ExpressCard dummy card Removing the Lower Covers Dimm Carefully open the HDD Cover Removing the Wlan Module Step Size Quantity Screw Type Wlan Module M2*3 Removing the Dimm Modules Removing the Hard Disk Drive Module Step Size Quantity Screw Type HDD Carrier M3*3 Removing the Optical Disk Drive Module Step Size Quantity Screw Type ODD Module M2.5*5 Step Size Quantity Screw Type ODD Bracket M2*3 Main Unit Disassembly Process Main Unit Disassembly Flowchart Step Screw Quantity Removing the Hinge Covers Step Size Quantity Screw Type Hinge Covers M2*3 Removing the Switch Cover Step Size Quantity Screw TypePage Removing the Keyboard Removing the Function Board Step Size Quantity Screw Type Function Board M2.5*3 Removing the Speaker Module Step Size Quantity Screw Type Speaker Module M2.5*3Page Removing the LCD Module Step Size Quantity Screw Type LCD Module M2.5*5Page 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 Removing the eKey Board Step Size Quantity Screw Type Ekey Board M2.5*3 Removing the Media Board Chapter Removing the USB Board Step Size Quantity Screw Type USB Board M2.5*3 Lift the USB Board clear of the casing Removing the Modem Module Step Size Quantity Screw Type Modem Module M2*3 Removing the Bluetooth Module Removing the Mainboard Step Size Quantity Screw Type Mainboard M2.5*3 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 Process LCD Module Disassembly Flowchart Removing the LCD Bezel Step Size Quantity Screw Type LCD Bezel M2.5*5 Lift the bezel away from the panel Removing the Camera Module Step Size Quantity Screw Type Camera Module M2.5*3 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 LCD Module Reassembly Procedure Replacing the MIC Module Replacing the Antennas Page 112 Chapter Replacing the LCD Panel 114 Chapter Replacing the Camera Module Replacing the LCD Bezel Main Module Reassembly Procedure Replacing the CPU 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 Bluetooth Board Replacing the Modem Module Replacing the USB Board Replacing the Media Board Place the TouchPad in the casing Replacing the eKey BoardReplacing the TouchPad Bracket 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 Place the HDD carrier on the HDD Replacing the Hard Disk Drive ModuleReplacing the Dimm Modules Replacing the Wlan Module Replacing the Lower Covers Replacing the Battery Replacing the ExpressCard and SD Card Dummy Trays 144 Chapter Common Problems Symptoms Verified Go To Power On Issue Computer Shutsdown Intermittently No Display Issue No Post or Video Random Loss of Bios Settings Abnormal Video Display LCD Failure Built-In Keyboard Failure Touchpad Failure Internal Speaker Failure Sound Problems Internal Microphone Failure Microphone ProblemsSelect Set up microphone Select Startup Repair HDD Not Operating CorrectlySelect Repair your computer ODD Failure ODD Not Operating Correctly Discs Do Not Play Drive Not Detected USB Failure Rightside Modem Function Failure Wireless Function Failure Bluetooth Function Failure EasyTouch Button Failure Media Board Failure Fingerprint Reader Failure Thermal Unit Failure External Mouse Failure Other Failures Intermittent Problems Undetermined Problems Memory Post Codes TablesSec Code Description BDS & Specific action Each Peim entry point used in 80PORT Each Driver entry point used in 80PORT Fvbservice CF9RESETBootpriority Smbios Setuputility LegacybiosLegacybiosplatform Fwblockservice Each SmmDriver entry point used in 80PORT Top View Pin Description Bottom View Steps for Clearing Bios Password Check Clearing Password Check and Bios RecoveryClearing Password Check Hardware Open Gap Description Bios Recovery Hotkey Bios Recovery by Crisis DiskBios Recovery Boot Block Steps for Bios Recovery by Crisis Disk FRU Field Replaceable Unit List Aspire 4935/4935G Exploded Diagrams Main Module Board Aspire 4935/4935G FRU ListCategory Description Acer P/N Adapter Cable Case/Cover/Bracket AssemblyCategory Description Acer P/N CPU/Processor Combo Drive Super Multi Drive Blueray Combo Keyboard Keyboard CB Canadian Bilingual Keyboard ND ScandinavianKeyboard AR/FR ARABIC/FRENCH Keyboard SV Slovak Speaker MemoryHeatsink Miscellaneous Screw M 2.5D Screw ListCategory Description Acer P/N Screw Screw M M 3.0D Chapter 183 Model Country Acer Part No Description Appendix aAspire 4935/4935G Series VHP32ATSG1 MC Umacef VHP32ATMY1 MC UmaceLINPUSAVN1 Umace 1*2G VHP32ATZA1 MC Umace EmeaVHP32ATZA2 MC Umace VHP32ATDK1 MC Umace VHP32ATEU7 MC Umace VHP32ATEU3 MC UmaceVHP32ATEU5 MC Umace VHP32ATHU1 MC Umace VHP32ATME3 MC Umace VHP32ATME9 MC UmaceVHP32ATME2 MC Umace VHP32ATME4 MC Umace LINPUSATH1 Umacef 1*2G VHP32ATPH1 MC Umace VHB32ATCN1 MC Umacef VHP32ATVN1 MC UmacefChina VHP32ATCA2 MC Umacef LINPUSACN1 Umacef 1*1GLINPUSAVN1 Umacef 1*2G VHP32ATUS1 MC Umacef VHP32ATMY1 MC Umacef VHP32ATEA3 MC UmacefLINPUSAVN1 Umace 2G+1G VHP32AWW1 MC Umacef VHP32ATRU1 MC LINPUSATH1VHP32ATTH1 MC VHP32ATUK1 MC VHP32ATSE1 MC VHP32ATNL1 MCVHP32ATLU1 MC VHP32ATEU4 MC VHP32ATIT1 MC VHP32ATGR1 MCVHP32ATIL1 MC VHP32ATME9 MC VHB32ATCN1 MC VHP32ATGB1 MCLINPUSACN1 VHP32ATSG1 MC VHP32ATPH1 MC Middle East LX.AC90X.040 AS4935G-733G32Mn EM Ukraine LX.AC90X.025 AS4935G-733G32Mn VHP32ATMY1 MC VHB32ATMY1 MCVHP32AWW1 MC VHP32ATID1 MC VHP32ATEA3 MC VHP32ATXC2 MCVHP32ATEA1 MC Singapore LX.AD80X.013 AS4935G-864G32Mn C2DP8600 NLED14WXGAG UMA SO1GBII6 ModelVGA Chip NLED14WXGAG UMA SO2GBII6 583G25Mn AS4935 583G32Mn AS4935 593G32Mn AS4935 NLED14WXGAG 9MGSHM 644G32Mn Appendix a 208 SO2GBII6 SO1GBII6 733G32Mn Appendix a 210 841G16Mn AS4935G NSM8XS Card ReaderFinger Print 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 Test Compatible Components Appendix B Vendor Type Description Adapter BluetoothMicrosoft Windows Vista Environment Test Audio Codec Vendor Type Description Finger Print Reader NLED14WXGAG Seagate Sata LF F/W0001SDM1Darfon AUO Norhtbridge Remote ControlVendor Type Description Modem Southbridge Intel FCC/IC ONE Time BGN Vender Online Support Information Appendix C 230 Index 232