Remove Bios Password | Acer 7520 specs

Remove BIOS Password:

If you key in wrong Supervisor Password for three time, “System Disabled” would display on the screen. See the image below.

Chapter 2

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Acer 7520 manual Remove Bios Password

Contents

Please refer to http//csd.acer.com.tw Revision History III Copyright Following conventions are used in this manual Gives precautionary measures toProblems Procedures Preface Page Table of Contents Table of Contents Microsoft Windows Vista Environment Test Top ViewBottom View TravelMate 7520/7520G/7220/7220G Series Table of Contents Features Below is a brief summary of the computer’s many featureChapter Acer Video Conference featuring Models Optical drive options Humidity non-condensing Temperature AMD DiagramSystem Block Front View Your Acer Notebook tour Closed Front View DVI-D Left View Rear Panel Right View Indicators Computer has several easy-to-read status indicators ChapterBottom Panel Active Indicates when the hard disk drive isEasy-Launch Buttons HDD Touchpad Basics Chapter F12 Using the KeyboardLock Keys and embedded numeric keypad Fn + F11 Windows Keys Power. Press any key to return Hot KeysTechnology Special Key Euro symbol Acer Empowering Technology Empowering Technology passwordAcer eNet Management Page Using power plans Acer ePower Management Acer ePresentation Management To edit a power plan Acer eDataSecurity Management Acer eLock Management Passwords Restore and recovery Acer eRecovery Management Acer eSettings Management Lets you set an asset tag for your system Windows Mobility Center Using the System Utilities Acer Bio-Protection for selected modelsNTI Shadow Acer GridVista dual-display compatible Launch Manager Norton Internet SecuritySelect Tasks & Scans Page Hardware Specifications and Configurations ProcessorCPU Fan True Value Table System Memory Memory Combinations0MB Bluetooth Interface Wireless Module 802.11b/gHard Disk Drive Interface Pata SataCombo Drive module 2MB Audio Interface Super-Multi Drive moduleUS & US+ RW DVD DVD+RW System Board Major Chips Video InterfaceVideo Memory Pcmcia Port Modem BatteryVGA LAN LCD Inverter LCD 17 inch AC Adaptor System Power Management System Utilities Bios Setup Utility Navigating the Bios Utility Parameter Description Information C u r i t y O t I t Main Parameter Description Format/Option C E x i t Advanced C u r i t y O t I t Security Clear or Set Setting a Password Removing a Password Chapter E o r t o Boot Table below describes the parameters in this screen Exit Bios Flash Utility Remove HDD/BIOS Utility This section provide you with removing HDD/BIOS methodRemove HDD Password Remove Bios Password Key in biospw 14452 Choose one upper-case string Chapter Chapter Disassembly Requirements Machine Disassembly and Replacement Main Screw List Pre-disassembly InstructionsDisassembly Process General Information External Module Disassembly Process External Modules Disassembly FlowchartScrew List Removing the Battery Pack Removing the SD dummy card Removing the PC and ExpressCard dummy cardsPress the eject button to pop out the button Chapter Removing the Lower Cover See Removing the Battery Pack on Removing the Secondary HDD Cover Loosen the two screws B from the secondary HDD cover Removing the Secondary HDD Bracket and ConnectorPage Removing the Wlan Board Modules Removing the Dimm Detach the Wlan board from the Wlan socket Removing the Hard Disk Drive Module Remove the hard disk drive from the bracket Removing the Optical Drive Module M2.5 x L6 Black Kgf-cm M2 x L3 Black Kgf-cm Chapter Removing the Modem Board Main Unit Disassembly Process Removing the Heatsink Fan Module Remove the heatsink fan module from the main board Removing the CPU and VGA Heatsink Module Slide out and remove the heatsink module Removing the CPU Removing the VGA board for Discrete model only Carefully remove the VGA board from the main board Removing the Middle Cover and the Power Board Removing the Keyboard Chapter Removing the LCD Module M2.5 x L8 Black Kgf-cm Chapter Carefully remove the LCD module from the base unit Separating the Upper Case from the Lower Case Chapter Remove the twenty screws a on the bottom and top panel Removing the Launch Board Removing theTouch Pad Board Module Page Remove the fingerprint board from the upper case Carefully pry loose and remove the touch pad board Removing the Main Board M2 x L4 Silver Kgf-cm Chapter Carefully remove the main board from the bottom panel Removing the ODD Board Module Removing the Speaker Modules Remove the left and right speakers from the upper case Removing the USB Board Remove the USB Board from the lower case LCD Module Disassembly Process Removing the LCD Bezel Removing the LCD module with the Brackets Detach the LCD with the brackets from the back cover Removing the Inverter Board and FPC Cable Removing the LCD Brackets Removing the Left and Right Hinge Removing the AntennasRemove the left and right hinge from the back cover Removing the Internal Microphone and Web Camera 102 Chapter Symptoms Verified Go To Troubleshooting Keyboard or Auxiliary Input Device Check System Check ProceduresExternal Diskette Drive Check External CD-ROM Drive Check Memory check Power System Check Check the Power Adapter Chapter 107 Touchpad Check Power-On Self-Test Post Error Message Bios ROM Index of Error MessagesError Code List Error Codes Error Messages Error Message List Error Messages FRU/Action in Sequence Dimm Bios ROM Cmos DimmCPU ID Post LCD Code Beeps Post Routine Description Phoenix Bios Beep Codes Setup 114 Chapter Code Beeps 116 Chapter Index of Symptom-to-FRU Error Message LCD-Related Symptoms Symptom / Error Action in SequencePower-Related Symptoms Symptom / Error Action in Sequence Pcmcia PCMCIA-Related Symptoms Symptom / Error Action in SequenceMemory-Related Symptoms Symptom / Error Action in Sequence Speaker-Related Symptoms Symptom / Error Action in SequencePage Modem-Related Symptoms Symptom / Error Action in Sequence Intermittent Problems Dimm Undetermined Problems Top View Jumper and Connector Locations USB Connector Bottom ViewCPU Password Bypassing and Bios Recovery Xxxxxxx Xxxxxxx PIN pad LocationPage 128 Chapter FRU Field Replaceable Unit List TravelMate 7520/7520G/7220/7220G FRU List TravelMate 7520/7520G/7220/7220G Exploded Diagram Battery Pack LI+ 6CELL 2.0MAH Finger Print Board Cable Power Cord 10A 125V US Upper Case W/ Cover Switch PGA CPU Merom T5600 1.83GHZ Intel HDD 80GB 5400RPM Sata Black Korean BIG Ergo Darfon Keyboard 1415KB-EV2 93KS Glare Name Plate TM5310 Appendix a TravelMate 7520/7520G/7220/7220G SeriesAppendix a 140 Appendix a Appendix a 142 143 Appendix a 144 145 Appendix a 146 147 Appendix a 148 149 Appendix a 150 151 Appendix a 152 153 Appendix a 154 155 Appendix a 156 157 Appendix a 158 159 Appendix a 160 161 Appendix a 162 Appendix B Test Compatible Components CRT Port Test Microsoft Windows Vista Environment Test IR Test Appendix B 165 Memory Card Test SD/MS/MMC/SM/CF/Microdrive/XD Appendix C Online Support Information 168 Appendix C Index 169 Index Index Screw List 60, 61, 73