Question about Dell Dimension 5100 (D51L1) PC Desktop

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Dimension 5100 wont start up .power led on MB is on changed mb.shorted out test done fan went.nothing else.what next ???

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  • itswallace1 Apr 02, 2011

    thanx tgvern awaiting arrival of psu will put that inandtry my luck cheers

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I have seen more than a few of these (Dimension 5100 series) die due to mainboard issues. If you haven't done so already, take out everything you can, (add-in cards, modem, disconnect hard drives, CD drives, etc.) Try to restart. If you get it to boot, you can add in one item at a time, and realize that when it won't start that is probably the culprit.
Next, If you have a second PC that has known good RAM of the same type, I would swap that out as well. Then try to boot with just video, Mainboard and RAM. If you see any blinking lights/sounds/etc. then report that on here as well. There are beep codes and on Dell's there are light error codes.
I you do happen to have a spare CPU, you could swap that out as well if you can, but I would not bet that is the problem as they are pretty durable for the most part.
If none of these comes up with a booting PC, it could be your replacement mainboard is bad.

Posted on Mar 20, 2011

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