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Acer 4240 manual Main Module Reassembly Procedure, Replacing the CPU

Models: 4240

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Main Module Reassembly Procedure

Replacing the CPU

IMPORTANT: The CPU has a Pin1 locator that must be positioned corresponding to the marker on the CPU socket.

1.Place the CPU into the CPU socket as shown, taking note of the Pin1 locator.

CPU

Pin1 Locator

2.Using a flat-bladed screw driver, rotate the CPU locking screw 180° clockwise to secure the CPU in place.

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Chapter 3

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Acer 4240 manual Main Module Reassembly Procedure, Replacing the CPU

Contents

Aspire 4540/4240 Series Service Guide Revision History Copyright IIIConventions Preface Page Table of Contents Troubleshooting 137 ViiiAspire 4540/4240 Series Microsoft Windows 7 Environment TestTable of Contents Features ChapterDimensions and Weight Power subsystemCommunication Privacy controlEnvironment System Block Diagram Icon Description Your Acer Notebook tourHDD Closed Front View Left View HdmiRight View Bottom View Icon Function DescriptionTouchpad Basics with fingerprint reader Function Left Button Right Button Main touchpadUsing the Keyboard Desired access Num Lock on Num Lock offLock key Description Fn + F11Windows Keys Key DescriptionEuro symbol Using the System UtilitiesUS dollar sign Acer GridVista dual-display compatible Hardware Specifications and Configurations Processor SpecificationProcessor Specifications System Board Major Chips SpecificationsSmbios 1MBSystem Memory Specifications Memory Combinations Slot Total MemoryHard Disk Drive Interface Specifications RPMRate Mbytes/sec Max DC Power Requirements Voltage Super-Multi Combo Module Specification LCD SpecificationVGA Graphic Controller Specification Keyboard SpecificationAudio Interface Specification Bluetooth SpecificationFinger Print Reader Specification BatteryPifa Sony AS-2007ABios Setup Utility Navigating the Bios UtilityInformation Parameter DescriptionEnables or disables the Press F12 to display boot DisabledMain IDE AhciDisabled or SecurityParameter Description Option Clear or SetSetting a Password Removing a PasswordChanging a Password Enter New PasswordBoot USB CD/DVD ROMExit CmosBios Flash Utilities DOS Flash Utility Flash process begins as shown WinFlash Utility Progress screen displays Chapter Remove HDD/BIOS Password Utilities Remove HDD PasswordRemoving Bios Passwords Cleaning Bios PasswordsUsing DMITools Using Boot Sequence SelectorMiscellaneous Utilities Using the LAN MAC Eeprom Utility DOS mode, run the MAC.BAT file to write MAC values to eeprom Machine Disassembly and Replacement Disassembly RequirementsPre-disassembly Instructions Disassembly ProcessGeneral Information Main Screw List Description Quantity Acer P/NExternal Modules Disassembly Flowchart External Module Disassembly ProcessScrew List Step Quantity Removing the Battery Pack Removing the SD Dummy Card Removing the Lower Covers DimmRemove the HDD Cover as shown 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*5Step Size Quantity Screw Type ODD Bracket M2*3 Main Unit Disassembly Process Main Unit Disassembly FlowchartRemoving the Hinge Covers Step Size Quantity Screw Type Hinge Covers M2*3Removing the Switch Cover Step Size Quantity Screw TypeChapter 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 Cover Chapter Page Removing the Finger Print Reader Page Removing the TouchPad Bracket Remove the two screws from the TouchPad Bracket Removing the RTC Battery Removing the Bluetooth Module Bluetooth Module Removing the USB Board Step Size Quantity Screw Type USB Board M2.5*3Removing the Modem Module Step Size Quantity Screw Type Modem Module M2*3Page Removing the Mainboard Step Size Quantity Screw Type Mainboard M2.5*3Removing the RJ-11 Port Chapter Removing the Thermal Module Step Size Quantity Screw Type Thermal Module 5*3.2Chapter Removing the CPU LCD Module Disassembly Process LCD Module Disassembly FlowchartRemoving the LCD Bezel Step Size Quantity Screw Type LCD Bezel M2.5*5Lift the bezel away from the panel Removing the Camera Module Step Size Quantity Screw Type Camera Module M2.5*3Removing the LCD Panel Lift the LCD Panel out of the casing as shown Chapter Removing the LCD Brackets and FPC Cable Removing the Antennas Removing the MIC Module Replacing the MIC Module LCD Module Reassembly ProcedureReplacing the Antennas Chapter Page Replacing the LCD Panel Page Replacing the Camera Module Replacing the LCD Bezel Main Module Reassembly Procedure Replacing the CPUReplacing the Thermal Module Connect fan cable to the mainboard as shown Replacing the RJ-11 Port Replacing the Mainboard Insert the single securing screw Replacing the USB Board Replacing the Bluetooth Board 110 Chapter Replacing the Modem Module Replacing the TouchPad Bracket Page Replacing the Finger Print Reader Replace the single securing screw Chapter 115 Replacing the Upper Cover Page Replace the two securing screws in the Upper Cover Replacing the LCD Module Reconnect the Microphone cable to the Mainboard as shown Page 122 Chapter Replacing the Speaker Module Replacing the Keyboard Page Replacing the Switch Cover Step Size Quantity Screw Type Replacing the Hinge Covers External Module Reassembly Process Replacing the ODD ModuleReplacing the Hard Disk Drive Module Replace the four securing screws two each side Replacing the Dimm Modules Replacing the Wlan ModuleReplace the two screws to secure the module Replacing the Lower Covers Replacing the SD Dummy CardReplacing the Battery 136 Chapter Common 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 Select Set up microphone Microphone ProblemsInternal Microphone Failure Select Repair your computer HDD Not Operating CorrectlySelect Startup Repair ODD Failure ODD Not Operating CorrectlyDiscs Do Not Play Drive Not Detected USB Failure Rightside Modem Function FailureWireless Function Failure Bluetooth Function FailureEasyTouch Button Failure Media Board FailureFingerprint Reader Failure Thermal Unit FailureExternal Mouse Failure Other FailuresIntermittent Problems Undetermined ProblemsPost Codes Tables SecMemory Code DescriptionBDS & Specific action Each Peim entry point used in 80PORT Each Driver entry point used in 80PORTCF9RESET BootpriorityFvbservice SavememoryconfigLegacybios LegacybiosplatformSetuputility FwblockserviceEach SmmDriver entry point used in 80PORT Top View Bottom View JUSB1 JHP1Vram JMIC1 JPLINE1Clearing Password Check Steps for Clearing Bios Password CheckHardware Open Gap Description Description Location Clear Cmos Jumper Memory bayBios Recovery by Crisis Disk Bios Recovery Boot BlockBios Recovery Hotkey Steps for Bios Recovery by Crisis Disk166 Chapter FRU Field Replaceable Unit List Main Module Aspire 4540/4240 Exploded DiagramsCPU Base Category Description Acer PN Battery Aspire 4540/4240 FRU ListBoard CableCase/Cover/Bracket Assembly Category Description Acer PNHinge CAP L Hinge CAP RHDD Bracket Mini Card BracketKeyboard Acer AC4T JV40 Internal KeyboardStandard 87KS Black Nordic Texture Super Multidrive Combo DriveAssy LCD Module 14 Wxga Glare W/ Antenna CAMERA, IMR LED LCD AUO 14 Wxga Glare B140XW01 V0 0A LFLED LCD AUO 14 Wxga Glare B140XW01 V0 1A LF LED LCD Samsung 14 Wxga Glare LTN140AT01Antenna Mimo R-3X3 LCD Bezel W/O Cmos Lvds Cable W/O CmosScrew List 33.PAA02.006Speaker MiscellaneousChapter 179 Appendix a Aspire 4540/4240 SeriesModel Country Acer Part No Description AAP181 Model Country Acer Part No Description CHI AclaUSA Model Country Acer Part No Description 185 Model Country Acer Part No Description 187 Model Memory ChipNLED14WXGAG UMA SO2GBII6 SO1GBII6 Appendix a 190 ATUM600 NLED14WXGAG UMA SO1GBII6 ATUM620 NLED14WXGAG UMA SO1GBII6Media Processor Extra SW1 NSM8XSNBDCB4XS AS4540-302G25Mn N250GB5.4KS Model Card Reader Wireless LAN1 Bluetooth Voip Phone 195 1-Build 3rd WiFi 1x2 BGN Appendix a 196 197 Appendix a 198 Test Compatible Components Appendix BMicrosoft Windows 7 Environment Test BOMNameType Description Adapter Audio CodecCamera Type DescriptionCard Bus1 Finger Print Reader WD3200BEVT-22ZCT0 ML160 Sata LF F WD5000BEVT-22ZAT0 ML250 Sata LF F204 Acer AC4T AUO NLED14WXGAGSamsung NLED14WXGAG LPL NLED14WXGAGMemory Modem Northbridge ChipsetAMD AMDSB710 AMD SB710 Southbridge ChipsetSoftware WiFi Antenna VGA Chip210 Online Support Information Appendix C212 Index ODD