Question about Dell Optiplex GX280 (99301) Motherboard
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Posted on Jan 02, 2017
Hope you can read this. if not, GOOGLE...TRANSLATE.
Removing the PSWD jumper is the correct method of clearing the BIOS password. Removing the battery resets the CMOS.
Remove the power from your computer. Remove the battery. Remove the PSWD jumper. Wait!!!!
Keep power off the computer for at least 30 minutes, overnight is better.
Replace the battery. Plug the computer in. Do Not Reconnect the PSWD jumper.
Now reinstall your operating system and drivers. When finished, restart your system. If everything works and you want to redo the BIOS password, shut the computer down. Unplug the power. Remove the battery. WAIT.
Replace the PSWD jumper. Replace the battery. Plug in the power. Restart the computer, hitting "F2" as it starts....to open the BIOS setup page. Reset your password here. Esc to continue, Yes to save.
Posted on Feb 24, 2010
This information is intended for experienced users. It is not intended for basic users, hackers, or computer thieves. Please do not try any of following procedures if you are not familiar with computer hardware. I'll not be responsible for the use or misuse of this information, including personal injury, loss of data or hardware damage. So use it at your own risk.
A. By Using the Motherboard Jumper:
In most motherboards CMOS battery is soldered, which makes it difficult to remove the battery. In this case we use another method.
Almost all motherboards contain a jumper that can clear all CMOS settings along with the BIOS password. The location of this jumper varies depending upon the motherboard brand. You should read your motherboard manual to check its location. If you don't have the manual then look for the jumpers near the CMOS battery. Most of the manufacturer label the jumper as CLR, CLEAR, CLEAR CMOS, etc.
When you find the jumper, look carefully. There will be 3 pins and the jumper will be joining the center pin to either left or right pin. What you need to do, is remove the jumper and join the center pin to the opposite pin. e.g. if the jumper joins center pin to left pin, then remove it and join center pin to right pin. Now wait for a few seconds and then again remove the jumper and join the center pin to left pin.
Make sure to turn the PC off before opening the cabinet and resetting the jumper.
B. By Using Software:
I have found that BIOS/CMOS Password Recovery Tool is the most effective.:
BIOS/CMOS Password Recovery Tool is a program that works instantly to remove any lost or forgotten BIOS/CMOS password. Simply boot your PC to DOS and execute the program, and get access to forgotten BIOS/CMOS passwords in just seconds
BIOS/CMOS Password Recovery Tool Service: http://www.biospasswordrecovery.com/
Posted on Jun 08, 2010
yo puedo ayudarte si me das el service tag que aparese cuando arranca la computadora....
ejemplo: this computer system, #00000000-00000 , is protected by a password
Posted on Jul 16, 2012
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