Question about Dell Optiplex GX280 (99301) Motherboard
One of our 280s we got in is setup-locked by admin password. We don't know password, nor can we get ahold to supplier to see why it was locked. Dell Optiplex GX280 tower. BIOS version A03. Will reloading/updating BIOS reset the password? I can put in another HDD with windows loaded and try that. Resetting CMOS didn't fix it. Thanks.
In the model 280 Optiplex, remove the jumper, they have two pins only, turn on the computer, wait for 1 minute. The jumper is located close to the power plug, in the right side, you read PWD, theres is it, i did it and working fine...
Posted on Mar 03, 2009
First, all the info you need is available from Dell at their website. I had the same problem and simply looked up the docs on the dell site. They have diagrams of the mommy board and instructions for about all you need. In this case, password reset: you remove the jumper (power down first) and then power up.
The jumper's location varies depending on the type of case: the gx280 mini-tower that I have has the jumper in the corner next to a rectangular connector; the wiring or which obscures the jumper, but it is there and disconnecting it (and power up) will fix the problem: it did for me.
Mike The K
Posted on Feb 20, 2009
U must turn off ur PC and take out the jumper (there is only one jumper near to ports) and turn on the PC after this the password will remove
Posted on Mar 15, 2009
Remove the CMOS battery and hold down the power button for thirty seconds. This will reset the CMOS/BIOS. If it doesn't the is a jumper on the motherboard that will do the same thing. Replace the battery and start the machine after that
Posted on Apr 15, 2009
Hi, had same problem, to remove password and get into bios and boot selecter, just remove the jumper near the power supple, only one jumper so cant get confused, and fairly big jumper to!
Posted on Mar 31, 2009
Remove the CMOS battery and hold down the power button for thirty seconds. This will reset the CMOS/BIOS. If it doesn't the is a jumper on the motherboard that will do the same thing. Replace the battery and start the machine after that.
Posted on Jan 18, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
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1. Download and burn HBCD here: http://www.hirensbootcd.org/download/
2. Boot system to the CD and follow directions here: http://www.hirensbootcd.org/resetting-windows-password/
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