Fingerprint Reader Failure, Thermal Unit Failure | Acer 4736G

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

154

Chapter 4

Image 164

Acer 4736G, 4736Z manual Fingerprint Reader Failure, Thermal Unit Failure

Contents

Aspire 4736G/4736Z Series Service Guide Revision History Copyright Conventions Preface Page Table of Contents Viii Aspire 4736G/4736Z Series Microsoft Windows Vista Environment Test Table of Contents Features Chapter Dimensions and Weight Power subsystemCommunication 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 Icon Function Description IndicatorsEasy-Launch Buttons 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 Hardware Specifications and Configurations Processor SpecificationProcessor Specifications System Board Major Chips Specifications Specification System Memory Specifications Memory Combinations Slot Total Memory Hard Disk Drive Interface Specifications Model Name Super-Multi Combo Module Specification Sata Specification Super-Multi Combo Module Blueray Combo Drive Specification DMA LCD Specification LG LP140WH1 VGA Graphic Controller Specification Keyboard SpecificationMedia Card Reader Specification Audio Interface Specification Finger Print Reader Specification Battery Chapter Bios Setup Utility Navigating the Bios Utility Information Parameter Description Parameter Description Format/Option Enables or disables the Press F12 to display bootMain Disabled or SecurityParameter Description Option Clear or Set Setting a Password Removing a Password Changing a Password Power Parameter Description Submenu Items Acpi S3 Boot Exit Bios Flash Utility DOS Flash Utility Page WinFlash Utility Remove HDD/BIOS Password Utilities Remove HDD Password Removing Bios Passwords Key in biospw 14452 Cleaning Bios Passwords Miscellaneous Utilities Using Boot Sequence SelectorUsing DMITools Example 2 Write Product Name to Eeprom Chapter Machine Disassembly and Replacement Disassembly Requirements Pre-disassembly Instructions Disassembly ProcessGeneral Information 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 Lower Covers Carefully open the HDD Cover Chapter 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 Type Chapter Removing the Keyboard 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 Chapter Page Removing the Finger Print Reader Page Removing the TouchPad Bracket Remove the TouchPad Bracket from the Upper Base Chapter Removing the Media Board Step Size Quantity Screw Type Media Board M2.5*3 Removing the USB Board Step Size Quantity Screw Type USB Board M2.5*3 Lift the USB Board clear of the casing Chapter 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*3Page Removing the RJ-11 Port Page Removing the Thermal Module Page 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 Chapter 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 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 106 Chapter Ensure that the securing pin is properly located Chapter 107 Replacing the LCD Panel Page Replacing the Camera Module Replacing the LCD Bezel Main Module Reassembly Procedure Replacing the CPU Replacing the Thermal Module Replacing the RJ-11 Port Page Replacing the Mainboard Replacing the Bluetooth Board Replacing the Modem Module Replacing the USB Board Replacing the Media Board 120 Chapter Replacing the TouchPad Bracket Replacing the Finger Print Reader 122 Chapter Replacing the Upper Cover 124 Chapter Page Replacing the LCD Module Chapter 127 Replace the adhesive strip to secure the cables in place Replace the two securing screws Chapter 129 Replacing the Speaker Module Replacing the Keyboard Replacing the Switch Cover Page 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 SD Card Dummy Trays 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 Post Codes Tables SecMemory Code Description BDS & Specific action Each Peim entry point used in 80PORT Each Driver entry point used in 80PORT Securitystub Moniterkey Each SmmDriver entry point used in 80PORT Top View Pin Description Bottom View Clearing Password Check and Bios Recovery Clearing Password CheckSteps for Clearing Bios Password Check Hardware Open Gap Description Bios Recovery by Crisis Disk Bios Recovery Boot BlockBios Recovery Hotkey Steps for Bios Recovery by Crisis Disk FRU Field Replaceable Unit List Aspire 4736G/4736Z Series Exploded Diagrams Main Module Aspire 4736G/4736Z Series FRU List Category Description Acer P/N AdapterBoard Cable Case/Cover/Bracket Assembly Category Description Acer P/N Super Multi Drive CPU/ProcessorCombo Drive Blueray Combo HDD 33.AD302.004 Keyboard Assy LCD Module 14.1 IN. Wxga Glare W Screw List Appendix a Aspire 4736G/4736Z Series Test Compatible Components Appendix B Microsoft Windows Vista Environment Test Vendor Type Description Finger Print Reader Seagate Sata LF F/W0001SDM1 Remote Control Vendor Type Description ModemNorhtbridge Southbridge Vram Online Support Information Appendix C 184 Index 186