Cleaning Bios Passwords | Acer 2930 manual

3.Reboot the system and key in the selected string (qjjg9vy, 07yqmjd etc.) for the BIOS user password.

Cleaning BIOS Passwords

To clear the password, perform the following steps:

1.From a DOS prompt, Execute clnpwd.exe

2.Press 1 or 2 to clean the desired password shown on the screen.

The onscreen message determines whether the function is successful or not.

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Chapter 2

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Acer 2930 manual Cleaning Bios Passwords

Contents

Aspire 2930 Series Service Guide Revision History Copyright Conventions Preface Page Table of Contents Table of Contents Microsoft Windows Vista Environment Test 123Aspire 2930 Series Table of Contents Features Chapter Special keys and controls Environment System Block Diagram Intel Cantiga GM Icon Description Your Acer Notebook tourFront View Closed Front View Left View Right View Rear View Bottom View Icon Function Description IndicatorsEasy-Launch Buttons Touch Pad Basics with fingerprint reader Using the Keyboard Lock Keys and embedded numeric keypad Windows Keys Key Description Hotkey Icon Function Description Hot KeysSpecial Key only for certain models Using the System Utilities Acer GridVista dual-display compatiblePage System Memory Specification Hardware Specifications and ConfigurationsProcessor Specification Memory Combinations Slot Total Memory Hard Disk Drive Interface Specifications Super Multi Drive Module Specification Combo Drive Module Specification CD-ROM/XA Thermal Sensor Control Specification Bios LAN Interface Specification Memory Card Reader SpecificationAudio Interface Specification Modem Specification Finger Print Board Specification Keyboard SpecificationCamera Specification Battery Specification Chapter Bios Setup Utility Navigating the Bios Utility Information Parameter Description Main Parameter Description Format/Option Advanced Parameter Description Submenu Items IGD TV Parameter Description Option Disabled orSecurity Clear or Set Setting a Password Changing a Password Power Acpi S3 Emttm Boot USB HDD Exit Exit Saving Changes Bios Flash Utilities DOS Flash Utility Chapter WinFlash Utility Remove HDD/BIOS Utility Remove HDD Password Key in biospw 14452 Removing Bios Passwords Cleaning Bios Passwords 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 ExpressCard dummy card Removing the SD dummy card Removing the Lower Covers Removing the Wlan Module Step Size Quantity Screw Type Wlan Module M2*3 Detach the Wlan board from the Wlan socket Chapter Removing the Hard Disk Drive Module Step Size Quantity Screw Type HDD Module M3*5 Step Size Quantity Screw Type HDD Carrier M3*3 Removing the Optical Drive Module Step Size Quantity Screw Type ODD Module M2.5*8 Step Size Quantity Screw Type ODD Bracket M2*3 Removing the Dimm Modules Main Unit Disassembly Process Main Unit Disassembly Flowchart Step Screw Quantity Removing the Switch Cover Step Size Quantity Screw Type Switch Cover M2.5*5 Chapter Removing the Keyboard Removing the Speaker Module Step Size Quantity Screw Type Speaker Module M2.5*4 Remove both Speaker Modules Chapter Removing the Antenna Page Removing the LED Board Step Size Quantity Screw Type LED Board M2*3 Removing the Power Board Step Size Quantity Screw Type Power Board M2*3 Step Size Quantity Screw Type Removing the LCD ModuleStep Size Quantity Screw Type LCD Module M2.5*5 Page Removing the Upper Cover Step Size Quantity Screw Type Upper Cover M2.5*5Page Chapter Removing the Finger Print Reader Removing the TouchPad Bracket Page Removing the Launch Board Step Size Quantity Screw Type Launch Board M2*3 Removing the USB Board Step Size Quantity Screw Type USB Board M2*3 Removing the I/O Board Step Size Quantity Screw Type Board M2*3 Removing the Bluetooth Module Removing the Modem Module Step Size Quantity Screw Type Modem Module M2*3 Lift the module from the mainboard Chapter Removing the Mainboard Step Size Quantity Screw Type Mainboard M2*3Page Chapter Removing the RJ-11 Jack Chapter Removing the Fan/Thermal Module Removing the CPU LCD Module Disassembly Process LCD Module Disassembly Flowchart Removing the LCD Bezel Step Size Quantity Screw Type LCD Bezel M2.5*5Page Removing the Inverter Board Step Size Quantity Screw Type Inverter Board M2.5*4Page Removing the Camera Module Step Size Quantity Screw Type Camera Module M2.5*4Page Removing the LCD Panel Step Size Quantity Screw Type LCD Panel M2.5*4 Removing the LCD Brackets and FPC Cable Step Size Quantity Screw Type LCD Brackets M2*4 Removing the LCD Antenna Removing the LCD MIC LCD Module Reassembly Procedure Replacing the LCD PanelPage 100 Chapter Replace the bracket over the Camera Board Replacing the LCD Bezel Insert the right side and lower Module in placePage Replacing the Thermal Module Main Module Reassembly ProcedureReplacing the CPU Replacing the RJ-11 Jack RJ-11 cabling Replacing the Mainboard Replace the three securing screws Chapter 107 Replacing the Bluetooth Board Replacing the Modem Module Replacing the Launch Board Replacing the I/O BoardReplacing the USB Board Replacing the TouchPad Bracket Align the bracket and replace over the board Replacing the Finger Print ReaderReplacing the Upper Cover 112 Chapter Page Replacing the LCD Module Secure the cables in place as shown Chapter 115 116 Chapter Replacing the Speaker Module Replacing the Power BoardReplacing the LED Board Replacing the Keyboard Replacing the Switch Cover Replacing the Wlan Module Replacing the Hard Disk Drive Module Replacing the Dimm Modules Replacing the ODD Module Replacing the Lower Covers Replacing the Express and SD Card Trays 124 Chapter 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 Touch Pad Failure Internal Speaker Failure Sound Problems Select Set up microphone Internal Microphone Failure Select Startup Repair HDD Not Operating CorrectlySelect Repair your computer ODD Failure ODD Not Operating Correctly Discs Do Not Play Drive Not Detected USB Failure Rightside Modem Function Failure Wireless Function Failure EasyTouch Button Failure MediaTouch Button Failure Fingerprint Reader Failure Hdtv Switch Failure Thermal Unit Failure External Mouse Failure Other Failures Intermittent Problems Undetermined Problems Driver Name Port Code Post Codes TablesPort 80 Post Codes Driver Name Port80 Code Before press function key Post Keys and MessagesKey Function After press function key 146 Chapter Jumper and Connector Locations Top View Bottom View Clear Cmos Jumper Clearing Password Check and Bios RecoveryClearing Password Check Bios Recovery by Crisis Disk Bios Recovery Boot Block FRU Field Replaceable Unit List Description Part Number Aspire 2930 Exploded DiagramsUpper/ Lower Cover LCD Panel Number Description Part Number Category Description Acer PN Adapter BatteryAspire 2930 FRU List Category Description Acer PN Cable Case/Cover/Bracket/Assembly CPU/Processor CPU Intel PMDT3200 2G LF80537GF0411M Slavg M0 Blueray Drive Category Description Acer PN Combo DriveSuper Multi Drive HDD Keyboard LCD Inverter Screw List Chapter 163 Model Country Acer Part No Description Appendix aAspire 2930 Series Appendix a Appendix a 166 Acla Appendix a 168 VHP32ATTR1 MC Umacof 2*2G Appendix a 170 VHP32ATPH1 MC Umacof 1*2G Appendix a 172 Turkey LX.APY0X.120 AS2930-843G32Mn EM C2DP8400 Appendix a 174 Thailand LX.APY0X.175 AS2930-592G25Mn EM C2DT5900 Appendix a 176 VHP32ATPH1 MC Umaco 2*1G Appendix a 178 VHP32ATME3 MC Umaco 2*2G Appendix a 180 VHP32ATME2 MC Umaco 2G+1G Appendix a 182 VHP32ATTR1 MC Umaco 2G+1G Appendix a 184 Turkey LX.ART0X.070 AS2930-733G25Mn EM C2DP7350 Appendix a 186 Turkey LX.ART0X.142 AS2930-583G25Mn EM C2DT5800 Appendix a 188 VHP32ATME2 MC Umaco 1*2G Appendix a 190 VHB32ATSG1 MC Umaco 1*1G Appendix a 192 South Africa LX.ARU0X.038 AS2930Z-323G25Mn EM PMDT3200 Appendix a 194 Middle East LX.ARU0X.006 AS2930Z-323G25Mn EM PMDT3200 Appendix a 196 Thailand LX.ARU0X.147 AS2930Z-321G25Mn EM PMDT3200 Appendix a 198 Model HDD 1GB ODD AS2930-842G16Mn AS2930-733G25Mi AS2930-734G25Mn N12.1WXGAG SO512MBII6 AS2930-943G25Mn AS2930-592G32Mn AS2930-581G12Mn 207 AS2930-584G25Mn AS2930Z-321G16Mn AS2930Z-320512Mn AS2930Z-322G25Mi AS2930Z-343G32Mn Model Card Reader Wireless LAN Bluetooth Finger Print Model Card Reader Wireless LAN Bluetooth Finger Print 215 Model Card Reader Wireless LAN Bluetooth Finger Print 217 Model Card Reader Wireless LAN Bluetooth Finger Print 219 Model Card Reader Wireless LAN Bluetooth Finger Print 221 Model Card Reader Wireless LAN Bluetooth Finger Print 223 Model Card Reader Wireless LAN Bluetooth Finger Print 225 Model Card Reader Wireless LAN Bluetooth Finger Print 227 Appendix a 228 Test Compatible Components Appendix B Audio Codec Vendor Type Description HeadphonesMicrosoft Windows Vista Environment Test Camera Vendor Type Description Finger Print Reader Northbridge Vendor Type Description MemoryModem Southbridge Appendix B 233 234 Online Support Information Appendix C 236 Index 238 Wireless Function Failure 138 Wlan Board 240