restart your computer repeatedly tapping the f8 key to enter safe mode while the screen is black once in safe mode where the only things working will be your keyboard and mouse allowing you to attempt to repair your computer
Windows Advanced Options Menu
Please select an option:
Safe ModeSafe Mode with NetworkingSafe Mode with Command Prompt
Enable Boot LoggingEnable VGA modeLast Known Good Configuration (your most recent settings that worked)Directory Services Restore Mode (Windows domain controllers only)Debugging Mode
Start Windows NormallyRebootReturn to OS Choices Menu
Use the up and down arrow keys to move the highlight to your choice
Select safe mode with networking to download
you could download all of these or just one save them to a usb drive for later use if one fails to remove the password
http://majorgeeks.com/CmosPwd_d239.html
A CMOS BIOS password recovery tool
Editors note: This tool should only be used by experienced computer users. Please see the enclosed read me if you would like to run it from Windows. Failure to follow instructions (from Windows) will cause your anti-virus to flag this as a virus.
http://www.afreecodec.com/windows/top-windows-software/windows-password-recovery-software-49067.html
Data Doctor Password unmask unhide program is a useful free utility to reveal passwords hidden behind the asterisk ***** characters inside any protected password text box
http://majorgeeks.com/Dr._Freeware_System_Utilities_d6416.html Dr.Freeware System Utilities which includes data recovery software, data backup, password reset tools for Windows helps you to maintain your system. Dr.Freeware is freeware, you can download and use it for free.
http://download.cnet.com/lazesoft-recover-my-password/3000-18501_4-10973339.html
Lazesoft Recover My Password Home Edition is a very easy to use Windows password recovery freeware
http://download.cnet.com/password-cracker/3000-2092_4-10226556.html
password cracker free
or you could
select safe mode with command prompt
Click start run type cmd press Enter
black screen should open DOS mode
this will vary depending on your operating system
type in net user username
For eg. If you want to change administrator password , type net user Administrator
it will prompt you to enter the new password
enter the new password and the password is changed
hope this helps
Get online and got to www.google.com In the google search box type: "Dell Support" (without the quotes and put your manufacturer name before Support). Look for downloads and drivers. Enter your model number and operating system when requested. Look for Manuals and search them for Passwords.
Clearing Forgotten Passwords (the manual shows a picture of this)
1 Remove the computer cover.2 Locate the 2-pin password jumper (PSWD) on the system board. Bydefault, Pin1 and Pin2 should be connected. You will need to remove thejumper and boot the system, as follows.3 Remove the jumper.
4 Replace the computer cover. 5 Connect your computer and monitor to electrical outlets, and turn them on.6 After the Microsoft Windows desktop appears on your computer, shut down your computer. 7 Turn off the monitor and disconnect it from the electrical outlet.8 Disconnect the computer power cable from the electrical outlet, and press the power button to ground the system board.
9 Open the computer cover.10 Locate the 2-pin password jumper (PSWD) on the system board andattach the jumper to reenable the password feature.11 Replace the computer cover.NOTICE To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.12 Connect your computer and devices to electrical outlets, and turn them on.NOTE This procedure enables the password feature. When you enter system setup (see "Entering System Setup" on page 79), both system and administrator password options appear as Not Set meaning that the password feature is enabled but no password is assigned.13 Assign a new system and or administrator password. Replace the computer cover.
NOTICE To connect a network cable, first plug the cable into the network device and then plug it into the computer.14 Connect your computer and devices to electrical outlets, and turn them on.
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