Removing Bios Passwords | Aspire Digital 4625G manual

Removing BIOS Passwords

If you key in the wrong HDD password three times, an error is generated.

To clean the User or Supervisor passwords, perform the following steps: To reset the BIOS password, perform the following steps:

1.On another computer, run BIOS_PW.exe.

2.Enter “bios_pw 14452 0”

3.Chose one (1) of the generated passwords.

4.Reboot the locked computer and key in one of the passwords from number 3 above.

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Chapter 2

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Aspire Digital 4625G manual Removing Bios Passwords

Contents

Aspire 4625/4625G Series Service Guide Revision History Copyright III Conventions Preface Page Table of Contents Troubleshooting 107 Viii Aspire 4625/4625G Microsoft Windows 7 Environment Test Table of Contents Features Chapter Storage Dimensions and weightAudio Optical Drive Interface Power adapter and batterySpecial keys and controls Software Optional Items Warranty Environment System Block Diagram AMD Champlain Icon Description Your Acer Aspire Notebook tourFront View HDD Hdmi Closed Front ViewLeft View Right View Bottom View Indicators Icon Function Description TouchPad Basics Function Left Button Right Button Main TouchPad Lock Keys and embedded numeric keypad Using the KeyboardDesired access Num Lock on Num Lock off Lock key Description Windows Keys Key Description Hot Keys Hotkey Icon Function Description Part Hardware Specifications and ConfigurationsSkew Comparison Cores Bus Cache Package Acer P/N Speed SpecificationProcessor Specifications Size Voltage 4GB System Memory Specification1M SPI ROM Memory Combinations Slot Total Memory System Board Major Chips SpecificationPorts Specification Bluetooth Specification Wireless Module SpecificationLAN Module Specification RPM Hard Disk Drive Interface SpecificationHgst Sata Super-Multi Drive Module Battery Specification Cell Audio Interface SpecificationKeyboard Controller Specification RTC Battery Specification LCD Specification AC Adapter SpecificationSystem LED Indicator Specification LG LP140WH2-TLA2/LP140WH2-TLL1/LP140WH2-TLL1 Hdmi Port Specification LCD Display Supported Resolution BitsVideo Interface Specification GDDR3 Pcmcia Port Not available in this model Card Reader SpecificationLCD Inverter Not available with this model Page Chapter Bios Setup Utility Navigating the Bios Utility Parameter Description Aspire JV41 BiosInformation Uuid Parameter Description Format/Option DisabledMain Sata Class ID Parameter Description Option Disabled orSecurity Clear or Set Setting a Password Removing a Password Boot USB Cdrom Security Boot Exit Exit Saving Changes Exit Bios Flash Utilities DOS Flash Utility WinFlash Utility Remove HDD/BIOS Password Utilities Remove HDD Password Removing Bios Passwords Chapter Clearing Bios Passwords Using Boot Sequence Selector Using DMITools Configuring Uuid Values Run UUID.bat Machine Disassembly and Replacement Disassembly Requirements General Information Pre-disassembly InstructionsDisassembly Process 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 Lower Cover M2.5*6.5 Removing the Optical Drive Module Step Size Quantity Screw Type ODD Module M2.5*3 Step Size Quantity Screw Type ODD Bracket M2.0*3 Removing the Dimm Modules Removing the Wlan Module Step Size Quantity Screw Type Wlan Board M2.0*3Page Removing the Hard Disk Drive Module Step Size Quantity Screw Type HDD Carrier M3.0*3 Main Unit Disassembly Process Main Unit Disassembly Flowchart Removing the Keyboard Removing the Upper Cover Chapter Step Size Quantity Screw Type Removing the Power Switch Board Removing the Function Board Step Size Quantity Screw Type Function Board M2.0*3widehead Removing the USB Board Step Size Quantity Screw Type USB Board M2.5*4 Removing the Bluetooth Module Step Size Quantity Screw Type Bluetooth Board M2.0*3 Removing the LCD Module Chapter Step Size Quantity Screw Type Removing the Mainboard Removing the Thermal Module Step Size Quantity Screw Type Mainboard M2.5*4 Step Size Quantity Screw Type Thermal Module M2.0*3 Removing the PCH Thermal Module Removing the CPU Removing the RTC Battery LCD Module Disassembly Process LCD Module Disassembly Flowchart Removing the LCD Bezel Step Size Quantity Screw Type LCD Bezel M2.5*4 Removing the Camera Module Removing the LCD Panel Step Size Quantity Screw Type LCD Panel M2.0*3 Removing the FPC Cable Removing the Microphone Module Removing the Antennas Removing the Hinges Step Size Quantity Screw Type LCD Hinges M2.5*3 LCD Module Reassembly Procedure Replacing the MIC and WiFi Antennas Replacing the FPC Cable Replacing the LCD Panel Replacing the Webcam Replacing the LCD Bezel Replacing the CPU Main Module Reassembly ProcedureReplacing the RTC Battery Replacing the Thermal Module Replacing the PCH Thermal Module Chapter Replacing the LCD Module Page Chapter Replacing the Bluetooth Module Replacing the USB Board Replacing the Power Switch Board Replacing the Function Board Replacing the Upper Cover Page 100 Chapter Replacing the Keyboard Replacing the ODD Module Replacing the Hard Disk Drive ModulePage Insert the Wlan board into the Wlan socket Replacing the Wlan BoardReplacing the Dimm Modules Replacing the Lower Covers Replacing the Battery Pack Replacing the Dummy Cards Common Problems Symptoms Verified Go To Power On Issue Computer Shutsdown Intermittently No Display Issue No Post or Video Random Loss of Bios Settings Abnormal Video Display LCD Failure Built-In Keyboard Failure TouchPad Failure Internal Speaker Failure Select Set up microphone Sound ProblemsMicrophone Problems Select Startup Repair HDD Not Operating CorrectlySelect Repair your computer ODD Failure ODD Not Operating Correctly Discs Do Not Play Drive Not Detected Wireless Function Failure Thermal Unit Failure External Mouse Failure Other Failures Dimm Intermittent ProblemsUndetermined Problems Code Beeps Post Routine Description Post CodesCode Post Routine Description 122 Chapter Code Beeps Post Routine Description Code Beeps For Boot Block in Flash ROM Top View U10/EC/KBC PU14/3V/5V PWM IC Steps for Clearing Bios Password Check Clearing Password Check and Bios RecoveryClearing Password Check Clear Cmos Jumper Bios Recovery Hotkey Bios Recovery by Crisis DiskBios Recovery Boot Block Steps for Bios Recovery from USB Storage FRU Field Replaceable Unit List Description Acer P/N Aspire 4625/4625G Exploded DiagramsLCD Assembly Chassis Assembly Wwan Minicard BEVT-22A23T0 STN HDD-BKTZQ1 ZR6FBZR6004,REV MBSG,PARK,SAM,BT WO Cpuassy BSQ Category Partname Description Adapter BatteryFRU List Category Partname Description Cables PIN Brazil 3P S/P Power Cord UK 3PIN ET2S Power Power Cord US 3PIN Rohs ZB1 PWR Cord USPower Cordeu 1.8M ZR1 Power Cord S/P-UK Power Cord Italian 3PIN EI2 Power Cord Category Partname Description Case/Cover/Bracket/Assembly CPU/Processor Category Partname Description DVD RW Drive HDD/Hard Disk Drive ML320M,WD Sata 8MB LF F BEVT-22A0RT0 S.P WD3200BEVTMK3265GSX-EUL MK3265GSX Sata 8MB LF F MK5065GSX-EUL BS, 320G/P Sata 8MB LF F Category Partname Description Keyboard ZQ1 K/BSWISS ZQ1 K/BSPANISHZQ1 K/BSWEDISH ZQ1 K/BTHAI S.P Category Partname Description LCD Module Reader W/O CPU MBAMD,UMA,W/O CPUS.P MB AMD Park W/CARD ZQ2B Category Partname Description MainboardMB AMD UMA W/CARD ZQ2B Category Partname Description Memory Category Partname Description Heatsink Miscellaneous Screw List Part Name Description Model Country Acer Description Appendix aAspire 4625/4625G AS4625G-N834G64Mn W7HP64ATSG1 MC Acla LX.PSS0 S2.PSS0 Parkxt Model Country Acer Part No BOM NameVGA Chip LX.PSH02.024 AS4625GPARKXT512 APP920 Acla UMA SO2GBIII10 SO4GBIII10 Model Country Acer Part NoSO2GBIII10 SO1GBIII10 SO2GBIII10 SO2GBIII10 SO1GBIII10 SO4GBIII10 SO2GBIII10SO1GBIII10 HDD 1GB ODD NSM8XS9.5 AS4625G-P922G50Mn AS4625-N834G32Mn Singapore LX.PSS02.016 N320GB5.4KS Test Compatible Components Appendix B Audio Codec Microsoft Windows 7 Environment TestVendor Type Description Cover Vendor Type Description 22A0RT0, ML320M,WD Sata 8MB LF F DigiDigi LF F/WGJ002J Hgst SG AUO NLED14WXGAGCMO SO2GBIII13 SB Chipset ModemNB Chipset Side Port WiFi Antenna Wireless LAN 164 Online Support Information Appendix C 166 Index 168