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Acer 4745 manual Using Boot Sequence Selector

Models: 4745

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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

37

Image 47

Acer 4745 manual Using Boot Sequence Selector

Contents

Acer Aspire Service Guide Revision History III CopyrightConventions Preface Page Table of Contents Viii Troubleshooting 107Microsoft Windows 7 Environment Test Acer Aspire 4745 SeriesTable of Contents Chapter FeaturesOptical Drive Mini CardAudio StoragePrivacy control Dimensions and weightPower subsystem CommunicationSoftware Special keys and controlsInterface Environment WarrantyOptional Items Intel System Block DiagramIcon Description Your Acer Notebook tourFront View HDD Hdmi Closed Front ViewLeft View Right View Bottom View IndicatorsIcon Function Description Function Left Button Right Button Main TouchPad TouchPad BasicsLock key Description Using the KeyboardLock Keys and embedded numeric keypad Key Description Windows KeysHotkey Icon Function Description Hot KeysSize Hardware Specifications and ConfigurationsSpecification Core Bus Cache Package Acer P/N Speed0MB System Memory Specification4GB Memory Combinations Slot Total MemoryBluetooth Specification Wireless Module SpecificationLAN Module Specification Super-Multi Drive Module Hard Disk Drive Interface SpecificationAudio Interface Specification SANYO/SONY/PANASONIC/SAMSUNG/SIMPLO AS2009A Power and Keyboard Controller SpecificationBattery Specification Cell Card Reader SpecificationNavigating the Bios Utility Bios Setup UtilityUuid Aspire 4745 BiosInformation Parameter DescriptionParameter Description Format/Option MainClear or Set Disabled orSecurity Parameter Description OptionRemoving a Password Setting a PasswordContinue Changing a PasswordUSB Cdrom BootCmos ExitBios Flash Utilities USB HDD DOS Flash UtilityPage WinFlash Utility Remove HDD Password Remove HDD/BIOS Password UtilitiesCleaning Bios Passwords Removing Bios PasswordsUsing Boot Sequence Selector Input dmitools /wu Using DMIToolsInput OutputUsing the LAN MAC Eeprom Utility Chapter Disassembly Requirements Machine Disassembly and ReplacementMain Screw List Quantity Part Number Pre-disassembly InstructionsDisassembly Process General InformationScrew 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 ModuleStep 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 ModuleStep Size Quantity Screw Type HDD Carrier M3.0*4L Removing the Hard Disk Drive ModuleMain Unit Disassembly Flowchart Main Unit Disassembly ProcessStep Size Quantity Screw Type Removing the KeyboardChapter 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 BoardStep Size Quantity Screw Type Speaker Module M2.5*4L Removing the Left Speaker ModuleStep Size Quantity Screw Type USB Board M2.5*4L Removing the USB BoardLift the USB Board upward away from the chassis Step Size Quantity Screw Type Bluetooth Board M2.3*3L Removing the Bluetooth ModuleRemoving the LCD Module Step Size Quantity Screw Type LCD Module M2.5*6.5 Removing the MainboardChapter Step Size Quantity Screw Type Mainboard M2.5*4L Removing the Thermal Module Removing the CPU Removing the WiFi Antenna Cable Removing the RTC BatteryStep Size Quantity Screw Type Right Speaker 3widehead Module Removing the Right SpeakerStep Size Quantity Screw Type DC-In Cable M2.5*4 Removing the DC-In CableLCD Module Disassembly Flowchart LCD Module Disassembly ProcessStep Size Quantity Screw Type LCD Bezel M2.5*4 Removing the LCD BezelRemoving the Camera Module Step Size Quantity Screw Type LCD Panel M2.3*3 Removing the LCD PanelRemoving 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 ProcedureReplacing the Microphone Module Replacing the LCD Panel Replacing the FPC CableReplacing the Webcam Replacing the LCD Bezel Replace the two screws and screw caps as shown Replacing the DC-In Cable Main Module Reassembly ProcedureReplacing the Right Speaker Replacing the LCD ModuleReplacing the RTC Battery Replacing the Thermal Module Replacing the CPUReplacing the Mainboard Chapter Connect the right speaker cable Chapter Replacing the Bluetooth Module Replacing the TouchPad Bracket Replacing the USB BoardReplacing the Left Speaker Module Replacing the Function Board Replacing the Power Switch BoardReplacing the Upper Cover Page 100 Chapter Replacing the Hard Disk Drive Module Replacing the Keyboard102 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 PackSymptoms Verified Go To Common ProblemsComputer Shutsdown Intermittently Power On IssueNo Post or Video No Display IssueAbnormal Video Display Random Loss of Bios SettingsBuilt-In Keyboard Failure LCD FailureInternal Speaker Failure TouchPad FailureSelect Set up microphone Sound ProblemsMicrophone Problems Select Startup Repair HDD Not Operating CorrectlySelect Repair your computer ODD Not Operating Correctly ODD FailureDiscs Do Not Play Drive Not Detected Thermal Unit Failure Wireless Function FailureOther Failures External Mouse FailureDimm Intermittent ProblemsUndetermined Problems Post Codes Post Code Range PhasePeirecoverymediafound PEI Peimemoryinstall PEIPeiswitchstack PEI Peienterrecoverymode PEIDxesmmcontrolerinit DXE Bdsinstallhotkey BDSBdsbeforepciioinstall BDS Bdsenumerateallbootoption BDSBdsbootdeviceselect BDS Bdsendofbootselection BDSBdsentersetup BDS Bdsenterbootmanager BDSSmmacpidisableend SMM Smmacpienablestart SMMSmmacpienableend SMM Smmacpidisablestart SMM126 Chapter Description Desciption Top ViewFAN Conn Mini Card Wlan PJ2 Power JackLAN RTCDescription Location G1 / G2 Clear Cmos Jumpers WiFi Bay Clearing Password Check and Bios RecoveryClearing Password Check Steps for Clearing Bios Password CheckSteps for Bios Recovery from USB Storage Bios Recovery by Crisis DiskBios Recovery Boot Block Bios Recovery HotkeyFRU Field Replaceable Unit List Description Acer P/N Acer Aspire 4745 Exploded DiagramsLCD Assembly Chassis Assembly BSQ HDD-BKTZQ1 ZR6FBZR6004,REV MBSG,PARK,SAM,BT WO Cpuassy Wwan Minicard BEVT-22A23T0 STNCategory Partname Description Acer Part Number Acer Aspire 4745 FRU ListZY9 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 ListChapter 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.PSMLX.PSR AAP VGA Chip Model Country Acer Part NoAS4745G 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 SO1GBIII10LX.PSM0C.00 SO1GBIII10 LX.PSM0C.00 SO2GBIII10 SO1GBIIILX.PSM0C.00 SO2GBIII10 LX.PSR0C.01 SO2GBIII10 SO1GBIII SO2GBIII10 SO1GBIIILX.PSR0C.01 SO1GBIII10 LX.PSR0C.01 SO2GBIII10AS4745 Thailand 163 Appendix a 164 Appendix B Test Compatible ComponentsVendor Description Microsoft Windows 7 Environment TestSimplo PanasoniSamsung SanyoSony BluetoothPMDP600 Intel IntelHDD Toshiba 4KSBRSeagate MK3265GSX Sata 8MB LF F/WGJ002J NLED14 CMO AC4TA1 AcerNLED14 AUO WxgagsSO2GBIII Hynix SO1GBIII ElpidaSO2GBIII Elpida SO1GBIII HynixKN.1GBBS.00 KN.1GBBB.03KN.2GBBB.02 SO1GBIII SmartNSM8XS Plds NBDRW4 PanasoniNSM8XS Panasoni NBDCB4 PldsWiFi Antenna Lan Intel Wlan 633AN.HMWG Appendix C Online Support Information168 Index 170