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Reset clear set cmos bios board jumpers?


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#1 paulmars

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Posted 02 May 2016 - 01:06 PM

I was given a not working dell optiplex 390. The previous owner's 'friend' tried to fix it and might have moved some jumpers. Reading the manual and searching dell site I cant determine were the jumpers should be. I want to know that they are in the proper positions. Is this info available? I found this (http://www.dell.com/support/Article/us/en/6099/SLN284985), but section two totally confuses me. It sounds like the jumper is being moved from the PSWD connector to the RTCRST connector, without saying which of the 3 pins to connect. However, the picture below shows both connectors having jumpers. Note that I already reset the bios by removing the battery. So, that is not what Im trying to do here.

tks,

paul



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#2 mjd420nova

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Posted 02 May 2016 - 02:49 PM

In the picture, they say nothing about putting them anywhere but back on where they came form.  By the photo. the top pin of the three is left vacant for normal operation.  One jumper resets the BIOS password, the other is the BIOS reset or clear jumper, it resets the BIOS to default. 



#3 paulmars

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Posted 02 May 2016 - 08:13 PM

the step 6 says to move jumper from PSWD to CMOS connector?






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