Acer 8940 manual Using Boot Sequence Selector

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Using Boot Sequence Selector

The Boot Sequence Selector allows the boot order to be changed without accessing the BIOS. To use Boot Sequence Selector, perform the following steps:

1.Enter into DOS.

2.Execute BS.exe to display the usage screen.

3.Select the desired boot sequence by entering the corresponding sequence. For example, enter BS2 to change the boot sequence to HDD CD ROM LAN Floppy.

Chapter 2

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Contents Aspire 8940 Series Service Guide Revision History III CopyrightConventions Preface Page Table of Contents Table of Contents FRU Field Replaceable Unit List 211 Model Definition and Configuration 224 Chapter FeaturesEnergy Star CommunicationEnvironment Intel System Block DiagramFront View Your Acer Notebook tourIcon Description Press any key to return HDDRear View Closed Front ViewDisplay Left ViewHdmi Right View Bottom View Function Left Button Right Button Main TouchPad TouchPad BasicsKey Types Using the KeyboardIcon Key Type Description Key Description Windows KeysHotkey Icon Function Remarks System HotkeysAcer GridVista dual-display compatible Using the System UtilitiesNorthbridge Specification Hardware Specifications and ConfigurationsProcessor Specification Processor SpecificationsNvidia VGA Subsystem SpecificationStandard Supported VGA Resolution Resolution Color Depth Refresh RateDdriii System Memory Specification4GB 2GB0MB VGA controller SpecificationLAN Interface Specification Memory Combinations Slot Total MemoryUSB Wireless Module 802.11b/g SpecificationBluetooth Specification Modem Specification8MB Hard Disk Drive Interface SpecificationHard Disk Drive Interface Specifications Vendor Vendor Toshiba MK1655GSX Write Super-Multi Drive Module SpecificationWriting ReadingCD-ROM CD-RW Blue-Ray Combo Drive Module SpecificationAudio Interface Specification Center Speaker Specification Audio Amplifier SpecificationSubwoofer Speaker Specification Front Speaker SpecificationSony AS-2007B/SIMPLO AS Digital Camera SpecificationPower and Keyboard Controller Specification Battery Specification CellExpress Card Specification Card Reader SpecificationNavigating the Bios Utility Bios Setup UtilityParameter Description InformationUuid Parameter Description Format/Option MainClear or Set Disabled orSecurity Parameter Description OptionSetting a Password Changing a Password USB KEY BootIDE CD HL-DT-ST Dvdram GT20N-S2 USB HDDExit Information Main Security Boot Exit Exit Saving ChangesBios Flash Utilities DOS Flash Utility Page WinFlash Utility Remove HDD Password Remove HDD/BIOS Password UtilitiesRemoving Bios Passwords Using Boot Sequence Selector Output InputUsing the LAN MAC Eeprom Utility Chapter Disassembly Requirements Machine Disassembly and ReplacementMain Screw List Quantity Part Number Pre-disassembly InstructionsDisassembly Process General InformationExternal Modules Disassembly Flowchart External Module Disassembly ProcessScrew List Step Quantity Removing the Battery Pack Removing the Express Dummy Card Removing the SD Dummy Card Removing the Lower Door Step Size Quantity Screw Type ODD Module M2.5*4 Removing the Optical Drive ModuleStep Size Quantity Screw Type ODD Bracket M2*3 Removing the Primary Hard Disk Drive Module Step Size Quantity Screw Type HDD1 Carrier M3*3 Removing the Secondary Hard Disk Drive Module Step Size Quantity Screw Type HDD2 Carrier M3*3 Removing the Dimm Modules Step Size Quantity Screw Type TV Tuner M2*3 Removing the TV Tuner ModuleRemove the TV Tuner as shown Step Size Quantity Screw Type Wlan Module M2*3 Removing the Wlan ModuleDetach the Wlan Module from the Wlan socket Upper Cover Disassembly Flowchart Main Unit Disassembly ProcessLower Cover Disassembly Flowchart Removing the Keyboard Chapter Step Size Quantity Screw Type Removing the Switch CoverChapter Step Size Quantity Screw Type Power Board M2.5*4 Removing the Power BoardRemoving the LCD Module Page Step Size Quantity Screw Type LCD Module M2.5*6.5 Removing the Upper Cover Chapter Step Size Quantity Screw Type Upper Cover M2.5*4 Red callout Step Size Quantity Screw Type Upper Cover M2*3 Green callout Removing the Launch Board Removing the Volume Control Board Lift the board clear of the Upper Cover Chapter Removing the Power Saving Board FFC Removing the Media Board Lift the Media Board clear of the Upper Cover Removing the TouchPad Lock Board Step Size Quantity Screw Type Removing the Finger Print Reader Bracket Removing the TouchPad Board Finger Print M2*3 Reader Chapter Lift the board clear of the Upper Cover Removing the RTC Battery Step Size Quantity Screw Type Bluetooth Board M2*3 Removing the Bluetooth BoardRemove the Bluetooth Board from the Lower Cover Chapter Removing the USB Board Step Size Quantity Screw Type USB Board M2.5*4 Removing the Power Saving Board Step Size Quantity Screw Type Mainboard M2.5*4 Removing the Mainboard100 Chapter Removing the Kensington Lock Bracket Removing the TV Tuner Antenna Step Size Quantity Screw Type Subwoofer M2*3 Removing the Subwoofer104 Chapter Step Size Quantity Screw Type Hinge Supports M2.5*4 Removing the Hinge SupportsStep Size Quantity Screw Type Speaker Module M2*3 Removing the Speaker ModuleRemoving the Thermal Module Removing the Graphics Card Heatsink Step Size Quantity Screw Type Graphics Card M2.5*6.5 Removing the Graphics CardRemoving the CPU Standard Bezel LCD Module Disassembly Flowchart LCD Module Disassembly ProcessRemoving the Standard LCD Bezel Page 114 Chapter Removing the LCD Panel 116 Chapter Removing the Camera Board Step Size Quantity Screw Type LCD Brackets M2*3 Removing the LCD Brackets and FPC CablePage Flush Bezel LCD Module Disassembly Flowchart Step Size Quantity Screw Type LCD Bezel Cap M2.5*4 Removing the Flush LCD Bezel Cap122 Chapter Removing the Flush LCD Bezel 124 Chapter LCD Panel M2.5*4 Red callout M2*3 Green callout Chapter 125 126 Chapter Removing the Camera Board 128 Chapter Page Standard Bezel LCD Module Reassembly-LCD Panel LCD Module Reassembly ProcedurePage 132 Chapter Chapter 133 Replacing the LCD Bezel Page Flush Bezel LCD Module Reassembly-LCD Panel Page 138 Chapter Chapter 139 140 Chapter Page Replacing the Flush LCD Bezel Cap Page Replacing the CPU Main Module Reassembly ProcedureReplacing the Graphics Card Replacing the Graphics Card Heatsink Replacing the Thermal Module Step Size Quantity Screw Type Speaker Module Replacing the Speaker ModuleReplacing the Hinge Supports Step Size Quantity Screw Type Subwoofer Replacing the SubwooferPage 152 Chapter Replacing the Mainboard 154 Chapter Replacing the Power Saving Board Replacing the USB Board Step Size Quantity Screw Type USB Board M2.5*4 Replacing the Bluetooth Board Connect the Bluetooth cable to the Mainboard Chapter 159 Replacing the RTC Battery Replacing the TouchPad Board 162 Chapter Page Replacing the Finger Print Reader Bracket Replacing the TouchPad Lock Board 166 Chapter Replacing the Media Board Replacing the Power Saving Board FFC Replacing the Volume Control Board 170 Chapter Replacing the Launch Board Replacing the Upper Case Page 174 Chapter Replacing the LCD Module 176 Chapter Page 178 Chapter Replacing the Power Board 180 Chapter Step Size Quantity Screw Type Replacing the Keyboard Page Replacing the Wlan Module External Module Reassembly InstructionsInsert the Wlan board into the Wlan socket Replacing the TV Tuner Module Replacing the Hard Disk Drive Module Replacing the Dimm ModulesPlace the HDD in the HDD carrier Replacing the Lower Covers Replacing the ODD ModuleTighten the seven captive screws in the Lower Door Replacing the SD Dummy Card Replacing the Battery190 Chapter Symptoms Verified Go To Common ProblemsComputer Shuts down Intermittently Power On IssueStart No Display IssueAbnormal Video Display Random Loss of Bios SettingsLCD Failure Built-In Keyboard Failure TouchPad Failure Okok Internal Speaker FailureInternal Microphone Failure Microphone ProblemsSelect Startup Repair Select Set up microphoneHDD Not Operating Correctly Select Repair your computerUSB Right Up/Down Side Failure Intermittent ProblemsOther Failures Dimm Undetermined ProblemsChipset Post Codes Post CodesCode Beeps Post Routine Description 204 Chapter Code Beeps Post Routine Description Code Beeps For Boot Block in Flash ROM Top View MXM-3 PU5CRT PU6Clearing Password Check Clearing Password Check and Bios RecoveryBios Recovery Boot Block Bios Recovery by Crisis DiskFRU Field Replaceable Unit List Main Chassis Aspire 8940 Exploded DiagramsDescription Acer P/N LCD Assembly Board BatteryAspire 8940 FRU List Category Description Acer PN AdapterCategory Description Acer PN CPU/Processor Case/Cover/Bracket AssemblySuper Multidrive Combo Drive Keyboard Sata LF F/WFG001JSata LF F/W FG011J HDD Bracket AssyAntenna *2 LED LCD Flush Module 18.4 Wuxgag W/CCD LED LCD Flush Module 18.4 Wuxgag W/CCDAntenna *3 LED LCD Module 18.4 Wuxgag W/CCD Antenna *2 LCD Bracket W/HINGE R LCD Cable for CCDLCD Cover Assy W/ANTENNA *2 LCD Bezel Assy for CCDThermal Module Remote ControlCategory Description Acer PN Mainboard MemoryScrew M2.5*2-I NI,NYLOK Screw ListCategory Description Acer PN Screw Screw M2.0*6-IANTI-LOOSEChapter 223 Aspire 8940 Series Appendix aModel Country Acer Description LX.PH2 S2.PJP0Italy W7HP64EMATZA1 MC W7HP64EMATME2 MCW7HP64EMATTR1 MC W7HP64EMATDZ1 MCW7HP64EMATME6 MC W7HP64EMATME9 MCEmea LX.PH2 Spain Gctwn USA LX.PH5LX.PH3 LX.PH4VGA Chip ModelNLED18.4W N10PGS 1G-DDR3 SO2GBIII10 233 NSM8XS Media Bluetooth ProcessorSO1GBIII10 NBDCB4XSAS8940G-724G50Wn LAN1 Model Extra Card Reader Wireless Bluetooth237 LAN1 Appendix B Test Compatible ComponentsLITE-ON Microsoft Windows 7 Environment TestDelta ADP-120ZB BBGB, LV5+OBL LED LFCamera Finger Print Reader HDD1 Panther B Sata LF F/WC60F Disk imbalance criteria = 014g-cm Appendix B 245 Wyatt Sata LF F/W0001SDM1 246 HDD2 248 Appendix B 249 GBTCFbkQV3 LAN Elpida SO2GBIII10 Appendix B 253 254 Northbridge Chipset Plds NSM8XS Appendix B 257 258 GBCFPbkQV3 Appendix B 259 Southbridge Chipset TV Antenna SoftwareWlan WiFi AntennaAppendix B 263 264 Appendix C Online Support Information266 Index ODD 269 270
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