Removing the Upper Cover | Acer 4745 manual

Removing the Upper Cover

1.See “Removing the Keyboard” on page 53.

2.Turn the computer over. Disconnect the following four cables from the Mainboard:

a.Left speaker cable

b.Touchpad FFC

c.Power Switch FFC

d.Function Board FFC

C D

AB

Chapter 3

55

Image 65

Acer 4745 manual Removing the Upper Cover

Contents

Acer Aspire Service Guide Revision History III Copyright Conventions Preface Page Table of Contents Viii Troubleshooting 107 Microsoft Windows 7 Environment Test Acer Aspire 4745 Series Table of Contents Chapter Features Audio Mini CardStorage Optical Drive Power subsystem Dimensions and weightCommunication Privacy control Software Special keys and controlsInterface Environment WarrantyOptional Items Intel System Block Diagram Icon Description Your Acer Notebook tourFront View HDD Hdmi Closed Front ViewLeft View Right View Bottom View Indicators Icon Function Description Function Left Button Right Button Main TouchPad TouchPad Basics Lock key Description Using the KeyboardLock Keys and embedded numeric keypad Key Description Windows Keys Hotkey Icon Function Description Hot Keys Specification Hardware Specifications and ConfigurationsCore Bus Cache Package Acer P/N Speed Size 4GB System Memory SpecificationMemory Combinations Slot Total Memory 0MB Bluetooth Specification Wireless Module SpecificationLAN Module Specification Super-Multi Drive Module Hard Disk Drive Interface Specification Audio Interface Specification Battery Specification Cell Power and Keyboard Controller SpecificationCard Reader Specification SANYO/SONY/PANASONIC/SAMSUNG/SIMPLO AS2009A Navigating the Bios Utility Bios Setup Utility Information Aspire 4745 BiosParameter Description Uuid Parameter Description Format/Option Main Security Disabled orParameter Description Option Clear or Set Removing a Password Setting a Password Continue Changing a Password USB Cdrom Boot Cmos Exit Bios Flash Utilities USB HDD DOS Flash UtilityPage WinFlash Utility Remove HDD Password Remove HDD/BIOS Password Utilities Cleaning Bios Passwords Removing Bios Passwords Using Boot Sequence Selector Input Using DMIToolsOutput Input dmitools /wu Using the LAN MAC Eeprom Utility Chapter Disassembly Requirements Machine Disassembly and Replacement Disassembly Process Pre-disassembly InstructionsGeneral Information Main Screw List Quantity Part Number Screw List Step Quantity External Module Disassembly ProcessExternal Modules Disassembly Flowchart Removing the Battery Pack Removing the SD dummy card Removing the Lower Cover Step Size Quantity Screw Type ODD Module M2.5*4L Removing the Optical Drive Module Step Size Quantity Screw Type ODD Bracket M2.0*3L Removing the Dimm Modules Step Size Quantity Screw Type Wlan Board M2.0*3 Removing the Wlan Module Step Size Quantity Screw Type HDD Carrier M3.0*4L Removing the Hard Disk Drive Module Main Unit Disassembly Flowchart Main Unit Disassembly Process Step Size Quantity Screw Type Removing the Keyboard Chapter Removing the Upper Cover Chapter Remove the eight 8 screws from the top cover Removing the Power Switch Board Step Size Quantity Screw Type Function Board M2.0*3widehead Removing the Function Board Step Size Quantity Screw Type Speaker Module M2.5*4L Removing the Left Speaker Module Step Size Quantity Screw Type USB Board M2.5*4L Removing the USB Board Lift the USB Board upward away from the chassis Step Size Quantity Screw Type Bluetooth Board M2.3*3L Removing the Bluetooth Module Removing the LCD Module Step Size Quantity Screw Type LCD Module M2.5*6.5 Removing the Mainboard Chapter Step Size Quantity Screw Type Mainboard M2.5*4L Removing the Thermal Module Removing the CPU Removing the WiFi Antenna Cable Removing the RTC Battery Step Size Quantity Screw Type Right Speaker 3widehead Module Removing the Right Speaker Step Size Quantity Screw Type DC-In Cable M2.5*4 Removing the DC-In Cable LCD Module Disassembly Flowchart LCD Module Disassembly Process Step Size Quantity Screw Type LCD Bezel M2.5*4 Removing the LCD Bezel Removing the Camera Module Step Size Quantity Screw Type LCD Panel M2.3*3 Removing the LCD Panel Removing the FPC Cable Step Size Quantity Screw Type LCD Hinges M2.5*3 Removing the Microphone ModuleRemoving the Hinges Removing the Antennas Chapter Replacing the MIC and WiFi Antennas LCD Module Reassembly Procedure Replacing the Microphone Module Replacing the LCD Panel Replacing the FPC Cable Replacing the Webcam Replacing the LCD Bezel Replace the two screws and screw caps as shown Replacing the DC-In Cable Main Module Reassembly Procedure Replacing the Right Speaker Replacing the LCD Module Replacing the RTC Battery Replacing the Thermal Module Replacing the CPU Replacing the Mainboard Chapter Connect the right speaker cable Chapter Replacing the Bluetooth Module Replacing the TouchPad Bracket Replacing the USB Board Replacing the Left Speaker Module Replacing the Function Board Replacing the Power Switch Board Replacing the Upper Cover Page 100 Chapter Replacing the Hard Disk Drive Module Replacing the Keyboard 102 Chapter Insert the Wlan board into the Wlan socket Replacing the Wlan BoardReplacing the Dimm Modules Replacing the ODD Module Replacing the Lower Covers Replacing the Dummy Cards Replacing the Battery Pack 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 Select Set up microphone Sound ProblemsMicrophone Problems Select Startup Repair HDD Not Operating CorrectlySelect Repair your computer ODD Not Operating Correctly ODD Failure Discs Do Not Play Drive Not Detected Thermal Unit Failure Wireless Function Failure Other Failures External Mouse Failure Dimm Intermittent ProblemsUndetermined Problems Post Codes Post Code Range Phase Peiswitchstack PEI Peimemoryinstall PEIPeienterrecoverymode PEI Peirecoverymediafound PEI Bdsbeforepciioinstall BDS Bdsinstallhotkey BDSBdsenumerateallbootoption BDS Dxesmmcontrolerinit DXE Bdsentersetup BDS Bdsendofbootselection BDSBdsenterbootmanager BDS Bdsbootdeviceselect BDS Smmacpienableend SMM Smmacpienablestart SMMSmmacpidisablestart SMM Smmacpidisableend SMM 126 Chapter Description Desciption Top View LAN Mini Card Wlan PJ2 Power JackRTC FAN Conn Clearing Password Check Clearing Password Check and Bios RecoverySteps for Clearing Bios Password Check Description Location G1 / G2 Clear Cmos Jumpers WiFi Bay Bios Recovery Boot Block Bios Recovery by Crisis DiskBios Recovery Hotkey Steps for Bios Recovery from USB Storage FRU Field Replaceable Unit List Description Acer P/N Acer Aspire 4745 Exploded DiagramsLCD Assembly Chassis Assembly ZQ1 ZR6FBZR6004,REV MBSG,PARK,SAM,BT WO Cpuassy HDD-BKTWwan Minicard BEVT-22A23T0 STN BSQ Category Partname Description Acer Part Number Acer Aspire 4745 FRU List ZY9 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 Category Partname Description Acer Part Numeber Screw List Chapter 145 Country Acer Description Appendix aAcer Aspire 4745 Series AS4745G-624G64Bn EM W7HP64EMATTH1 MC S2.PSL0 LX.PSM Emea Gctwn LX.PSM TWN LX.PSM AAPLX.PSM China LX.PSR Emea S2.PSM LX.PSR AAP VGA Chip Model Country Acer Part No AS4745G Thailand LX.PSL02.018 Ci5520M AS4745G S2.PSL02.003 Ci5430M LX.PSM0C.00 ParkxtLX.PSM0C.01 UMA AS4745 Malaysia LX.PSR0C.011 Ci3330M Model Country Acer Part No Memory LX.PSL0C.00 SO2GBIII10 SO4GBIII10SO4GBIII10 SO2GBIII LX.PSM0C.01 SO2GBIII10 SO1GBIII10 LX.PSM0C.00 SO1GBIII10 LX.PSM0C.00 SO2GBIII10 SO1GBIIILX.PSM0C.00 SO2GBIII10 LX.PSR0C.01 SO1GBIII10 SO2GBIII10 SO1GBIIILX.PSR0C.01 SO2GBIII10 LX.PSR0C.01 SO2GBIII10 SO1GBIII AS4745 Thailand 163 Appendix a 164 Appendix B Test Compatible Components Vendor Description Microsoft Windows 7 Environment Test Samsung PanasoniSanyo Simplo Sony Bluetooth PMDP600 Intel Intel HDD Toshiba 4KSBRSeagate MK3265GSX Sata 8MB LF F/WGJ002J NLED14 AUO AC4TA1 AcerWxgags NLED14 CMO SO2GBIII Elpida SO1GBIII ElpidaSO1GBIII Hynix SO2GBIII Hynix KN.2GBBB.02 KN.1GBBB.03SO1GBIII Smart KN.1GBBS.00 NSM8XS Panasoni NBDRW4 PanasoniNBDCB4 Plds NSM8XS Plds WiFi Antenna Lan Intel Wlan 633AN.HMWG Appendix C Online Support Information 168 Index 170