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Acer 4745 manual Chapter

Models: 4745

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3.Disconnect A as shown.

5.Release the locking latch and remove C as shown.

4.Release the locking latch and remove B as shown.

6.Release the locking latch and remove D as shown.

NOTE: Avoid pulling on cables directly to prevent damage to the connectors. Use the pull-tabs on FFC cables whenever available.

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Chapter 3

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Acer 4745 manual Chapter

Contents

Acer Aspire Service Guide Revision History Copyright IIIConventions Preface Page Table of Contents Troubleshooting 107 ViiiAcer Aspire 4745 Series Microsoft Windows 7 Environment TestTable of Contents Features ChapterStorage Mini CardAudio Optical DriveCommunication Dimensions and weightPower subsystem Privacy controlSpecial keys and controls InterfaceSoftware Warranty Optional ItemsEnvironment System Block Diagram IntelYour Acer Notebook tour Front ViewIcon Description HDD Closed Front View Left ViewHdmi Right View Indicators Bottom ViewIcon Function Description TouchPad Basics Function Left Button Right Button Main TouchPadUsing the Keyboard Lock Keys and embedded numeric keypadLock key Description Windows Keys Key DescriptionHot Keys Hotkey Icon Function DescriptionCore Bus Cache Package Acer P/N Speed Hardware Specifications and ConfigurationsSpecification SizeMemory Combinations Slot Total Memory System Memory Specification4GB 0MBWireless Module Specification LAN Module SpecificationBluetooth Specification Hard Disk Drive Interface Specification Super-Multi Drive ModuleAudio Interface Specification Card Reader Specification Power and Keyboard Controller SpecificationBattery Specification Cell SANYO/SONY/PANASONIC/SAMSUNG/SIMPLO AS2009ABios Setup Utility Navigating the Bios UtilityParameter Description Aspire 4745 BiosInformation UuidMain Parameter Description Format/OptionParameter Description Option Disabled orSecurity Clear or SetSetting a Password Removing a PasswordChanging a Password ContinueBoot USB CdromExit CmosBios Flash Utilities DOS Flash Utility USB HDDPage WinFlash Utility Remove HDD/BIOS Password Utilities Remove HDD PasswordRemoving Bios Passwords Cleaning Bios PasswordsUsing Boot Sequence Selector Output Using DMIToolsInput Input dmitools /wuUsing the LAN MAC Eeprom Utility Chapter Machine Disassembly and Replacement Disassembly RequirementsGeneral Information Pre-disassembly InstructionsDisassembly Process Main Screw List Quantity Part NumberExternal Module Disassembly Process External Modules Disassembly FlowchartScrew List Step Quantity Removing the Battery Pack Removing the SD dummy card Removing the Lower Cover Removing the Optical Drive Module Step Size Quantity Screw Type ODD Module M2.5*4LStep Size Quantity Screw Type ODD Bracket M2.0*3L Removing the Dimm Modules Removing the Wlan Module Step Size Quantity Screw Type Wlan Board M2.0*3Removing the Hard Disk Drive Module Step Size Quantity Screw Type HDD Carrier M3.0*4LMain Unit Disassembly Process Main Unit Disassembly FlowchartRemoving the Keyboard Step Size Quantity Screw TypeChapter Removing the Upper Cover Chapter Remove the eight 8 screws from the top cover Removing the Power Switch Board Removing the Function Board Step Size Quantity Screw Type Function Board M2.0*3wideheadRemoving the Left Speaker Module Step Size Quantity Screw Type Speaker Module M2.5*4LRemoving the USB Board Step Size Quantity Screw Type USB Board M2.5*4LLift the USB Board upward away from the chassis Removing the Bluetooth Module Step Size Quantity Screw Type Bluetooth Board M2.3*3LRemoving the LCD Module Removing the Mainboard Step Size Quantity Screw Type LCD Module M2.5*6.5Chapter Step Size Quantity Screw Type Mainboard M2.5*4L Removing the Thermal Module Removing the CPU Removing the RTC Battery Removing the WiFi Antenna CableRemoving the Right Speaker Step Size Quantity Screw Type Right Speaker 3widehead ModuleRemoving the DC-In Cable Step Size Quantity Screw Type DC-In Cable M2.5*4LCD Module Disassembly Process LCD Module Disassembly FlowchartRemoving the LCD Bezel Step Size Quantity Screw Type LCD Bezel M2.5*4Removing the Camera Module Removing the LCD Panel Step Size Quantity Screw Type LCD Panel M2.3*3Removing the FPC Cable Removing the Microphone Module Removing the HingesStep Size Quantity Screw Type LCD Hinges M2.5*3 Removing the Antennas Chapter LCD Module Reassembly Procedure Replacing the MIC and WiFi AntennasReplacing the Microphone Module Replacing the FPC Cable Replacing the LCD PanelReplacing the Webcam Replacing the LCD Bezel Replace the two screws and screw caps as shown Main Module Reassembly Procedure Replacing the DC-In CableReplacing the LCD Module Replacing the Right SpeakerReplacing the RTC Battery Replacing the CPU Replacing the Thermal ModuleReplacing the Mainboard Chapter Connect the right speaker cable Chapter Replacing the Bluetooth Module Replacing the USB Board Replacing the TouchPad BracketReplacing the Left Speaker Module Replacing the Power Switch Board Replacing the Function BoardReplacing the Upper Cover Page 100 Chapter Replacing the Keyboard Replacing the Hard Disk Drive Module102 Chapter Replacing the Wlan Board Replacing the Dimm ModulesInsert the Wlan board into the Wlan socket Replacing the ODD Module Replacing the Lower Covers Replacing the Battery Pack Replacing the Dummy CardsCommon 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 ProblemsSelect Set up microphone 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 Thermal Unit FailureExternal Mouse Failure Other FailuresIntermittent Problems Undetermined ProblemsDimm Post Code Range Phase Post CodesPeienterrecoverymode PEI Peimemoryinstall PEIPeiswitchstack PEI Peirecoverymediafound PEIBdsenumerateallbootoption BDS Bdsinstallhotkey BDSBdsbeforepciioinstall BDS Dxesmmcontrolerinit DXEBdsenterbootmanager BDS Bdsendofbootselection BDSBdsentersetup BDS Bdsbootdeviceselect BDSSmmacpidisablestart SMM Smmacpienablestart SMMSmmacpienableend SMM Smmacpidisableend SMM126 Chapter Top View Description DesciptionRTC Mini Card Wlan PJ2 Power JackLAN FAN ConnSteps for Clearing Bios Password Check Clearing Password Check and Bios RecoveryClearing Password Check Description Location G1 / G2 Clear Cmos Jumpers WiFi BayBios Recovery Hotkey Bios Recovery by Crisis DiskBios Recovery Boot Block Steps for Bios Recovery from USB StorageFRU Field Replaceable Unit List Acer Aspire 4745 Exploded Diagrams LCD AssemblyDescription Acer P/N Chassis Assembly Wwan Minicard BEVT-22A23T0 STN HDD-BKTZQ1 ZR6FBZR6004,REV MBSG,PARK,SAM,BT WO Cpuassy BSQAcer Aspire 4745 FRU List Category Partname Description Acer Part NumberZY9 Bluetooth Speaker L Lower Case Assy W/FFC *2, DC ZQ1 Base SUB JV/65W ODD Bracket ZQ1 ODD BKT MK2565GSX-EUL S.P Sata 8MB LF F/WGJ001J Keyboard ZQ1 K/BUI S.P Mainboard Mainboard UMA HM55 W/CARD ZQ1 MBUMA,BT,WO Heatsink Thermal Module for 35W UMA ZQ1 Thermal Module Screw List Category Partname Description Acer Part NumeberChapter 145 Appendix a Acer Aspire 4745 SeriesCountry Acer Description AS4745G-624G64Bn EM W7HP64EMATTH1 MC S2.PSL0 LX.PSM Emea LX.PSM AAP LX.PSM ChinaGctwn LX.PSM TWN S2.PSM LX.PSR EmeaLX.PSR AAP Model Country Acer Part No VGA ChipAS4745G Thailand LX.PSL02.018 Ci5520M AS4745G S2.PSL02.003 Ci5430M Parkxt LX.PSM0C.01LX.PSM0C.00 UMA AS4745 Malaysia LX.PSR0C.011 Ci3330M Model Country Acer Part No Memory SO4GBIII10 SO4GBIII10 SO2GBIIILX.PSL0C.00 SO2GBIII10 SO1GBIII10 LX.PSM0C.01 SO2GBIII10LX.PSM0C.00 SO2GBIII10 SO1GBIII LX.PSM0C.00 SO2GBIII10LX.PSM0C.00 SO1GBIII10 LX.PSR0C.01 SO2GBIII10 SO2GBIII10 SO1GBIIILX.PSR0C.01 SO1GBIII10 LX.PSR0C.01 SO2GBIII10 SO1GBIIIAS4745 Thailand 163 Appendix a 164 Test Compatible Components Appendix BMicrosoft Windows 7 Environment Test Vendor DescriptionSanyo PanasoniSamsung SimploBluetooth SonyIntel PMDP600 IntelHDD 4KSBR SeagateToshiba MK3265GSX Sata 8MB LF F/WGJ002J Wxgags AC4TA1 AcerNLED14 AUO NLED14 CMOSO1GBIII Hynix SO1GBIII ElpidaSO2GBIII Elpida SO2GBIII HynixSO1GBIII Smart KN.1GBBB.03KN.2GBBB.02 KN.1GBBS.00NBDCB4 Plds NBDRW4 PanasoniNSM8XS Panasoni NSM8XS PldsWiFi Antenna Lan Intel Wlan 633AN.HMWG Online Support Information Appendix C168 Index 170