Question about Dell Dimension 2400 PC Desktop

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I have an unknown password on my bios setup.computer is a dell demension 2400 PC. I've removed the battery from the main board overnight but it still has a bios setup password when I power it back up. is there another battery?

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Actually you are required to discharge the battery

Posted on May 08, 2009

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Posted on Jan 02, 2017

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Dell bios doesnt except my password


Disconnect power from the computer. Remove the side cover and locate the BIOS battery which looks like a large watch battery, round, and sits in a socket. Remove the battery from its' socket for about an hour. Replace the battery and apply power to the computer. The password should now be cleared.

Nov 01, 2010 | Dell Dimension 2400 PC Desktop

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Quitar Password de Bios de Pc Dell Optiplex GX100, no tiene jamper y retirando la pila no funciona. Tengo un Pc Dell que se daño el sistema operativo windows xp, estoy intentando restablecer el...


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.

Good luck

Jan 22, 2010 | Dell Optiplex GX110 (2909T) Motherboard

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Dell Dimension 2400 Lost Password for Bios


:0 easy

1.) remove the side panel
2.) locate the battery on the main board and remove it
3.) make sure the system is unplugged
4.) press the power button and hold for 10 seconds
5.) replace battery, plug in and power on.

Apr 03, 2009 | Dell Dimension 2400 PC Desktop

1 Answer

Dell latitude d620 power on password can't remove


No need to short out any pins, shorting out pins allow you to reset the BIOS quickly. When you leave the BIOS/CMOS battery out overnight, this will reset the BIOS (you only need to leave the battery out for 1/2 + hour to do the same thing).

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I have a Dell Demension 2350 tower stuck in DOS safe mode.


restart the system by pressing the power button for 5 to 7 sec and hit the del button to enter the setup and load default setup and run an dell diagonastics

Nov 21, 2008 | Dell Dimension 2400 PC Desktop

1 Answer

Can't change settings in bios and hd locked with unknown password


unplug the computer, remove the computer cover(usually 2-4 philips head screws),remove the small round battery (cmos) from the main board for about 2 minutes, replace it, install cover, power cord, REBOOT.
this will clear the password and reset the bios to defaults.

Oct 07, 2008 | Acer Computers & Internet

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