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July 24th, 2017 13:00

Optiplex 760 SFF BIOS reset

Are there jumper pins on the motherboards in the Optiplex 760 SFF which can be used to reset the BIOS?  Which/Where?

10 Elder

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43.5K Posts

July 24th, 2017 15:00

Might be easier just to remove the motherboard battery:

Power off, unplug and press/hold power button for ~15 sec. Open case and remove the battery. Press/hold power button for ~30 sec. Then reinstall battery (use a fresh one if this one is old).

If you really want to use the jumper, unplug and press/hold power button. The RTC reset jumper (RTCRST) is  #13 on the SFF motherboard diagram in the Service Manual:

downloads.dell.com/.../optiplex-760_service manual_en-us.pdf

Pay attention to which pins the jumper is on before you remove it.

Either way, be good a idea to copy down all the current BIOS settings before resetting to the defaults, just in case...

10 Elder

 • 

43.5K Posts

July 24th, 2017 15:00

You can also check in the manual for jumper positions to reset BIOS...

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