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I am trying to remove my Dell motherboard model DHM (Dimen. 8200)

I am trying to remove my motherboard Dell model DHM (old 486 CPU). I removed all the screws, heat sinks, CPU and the board seems hung up underneath. I tried sliding it forward but no luck. Any suggestions?

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  • fwi3 Jan 30, 2010

    no, the d-shell connectors fit through the case without attaching to it. The motherboard seems to "bind" about half way from the edge. Is it possible that I have to take the plastic case away from the backside of the computer case? I tried to take a little plastic cover away from the back of the unit and got the edges free but the bottom locks into place and I don't want to break anything trying to get it off. Is it necessary to go underneath the motherboard to release some latches or restraining clips?


  • fwi3 Jan 31, 2010

    no it was not helpful. i went to a local Microcenter store and the techie there explained that Dell used some specialized mounting brackets in the older machines that basically prevented removal of the motherboard. plus, the integrated fan/plenum they used to cool the CPU would probably not fit in the right place on a new (different mfg) motherboard.

    Plus, in an unrated issue, the powersupply was only 180 watts and would probably not run a more powerful CPU with its associated RAM.

    So basically, I cannot upgrade the motherboard on this unit.

    I don't mind paying the money because I did get an answer, just not a helpful one.



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Most of the older Dell were also held in place by the screws on the VGA, Printer and serial ports. Remove the Hex head screws on all of the posrts and your board should release from the case.

I hope this helps.

Corporate Computer

Posted on Jan 30, 2010

  • Buddy Mcsparrin Jan 30, 2010

    Which Dell model do you have? Desktop or tower?



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