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Unlock my Dell Optiplex 390.

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asked by (120 points)
edited by

I need to unlock my Dell Optiplex 390 password authentication systems. I tried removing the jumper and CMOS battery disablement, but still no success. How can I overcome this?

1 Answer

0 votes
answered by (80k points)

It seems that you did most of the things that you can do in order to unlock your computer. If you can't remember the password, you removed the PSWD jumper from the motherboard, and the CMOS battery, the only thing that you can do is to contact a Dell representative. They can provide further assistance and can help you unlock your computer. Visit the official support website for additional information.

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