Wipe out BIOS password Dell Optiplex GX150

Hewlett-packard / Dm168a-aba a320n
January 24, 2010 at 07:24:17
Specs: Microsoft Windows XP Home Edition, 512 MB

I'm working on a Dell Optiplex GX 150 Series PC and someone had put in a password in the bios.
I tried removing the battery to wipe it out but it did not work and there is no jumpers on the board to wipe it out.
Is there any other way to wipe it out?

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January 24, 2010 at 08:37:02
was it unpluged? If not unplug it, pull the battery, hit the power button a couple times and leave it sit for 30 mins, although it really shouldn't take that long.
Plug it back in and try starting without the battery in.
this is a desktop we are talking about?


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January 24, 2010 at 10:44:48
ultimate boot cd and other distro's have bios tools.

Playing to the angels
Les Paul (1915-2009)

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January 24, 2010 at 11:04:14
As larry has indicated the power to motherboard must be off in order to clear the CMOS.

To verify you were successful or not check the date and time in the BIOS. If the date is correct then you didn't get the CMOS cleared. If that is the case then remove the 20/24 pin power connector from the motherboard after unplugging it. Then depress the power button a couple of times. Then remove the battery for 10 seconds and replace. Next boot enter the BIOS screens and reset the values as required.

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