Question about Dell Optiplex GX280 (99301) Motherboard

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Dell gx280 memory

Ive just acquired a gx280 desktop with no ram, i put 2 1gig sticks in and nothing would come up on the screen but there were beeps a couple of times i tried it. after closer inspection of the ram it turns out that its pc2-3200R. by this time it now doesn't beep and the fan runs flat out.
would this have now damaged the motherboard?

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  • naymx5 Feb 08, 2009

    have now put the right memory in, but still no go, fan runs flat out. the only way ive found to make it boot is to apply pressure to the top of the fan on the one side, it will then boot up but when running the fan revs up and down some times to deafening speeds when in use.

    what could be causing the problem? processor socket nackerd?


  • naymx5 Feb 08, 2009

    processor cooling fan. sounds like a jet-engine. the more load thats put on the computer the harder it spins. i know with these type of pcs the fans operate to load placed on the cpu but this is rather excessive.

  • naymx5 Feb 08, 2009

    no dust,quite clean in side the case and in the fan / ducting. the noise is caused by the shear speed its running at, its running way above 6000 rpm from what the system has said.

  • naymx5 Feb 08, 2009

    ive had a good look and they all look fine, no leaks or bulges. i have another board that does exactly the same as the one im using currently. will only boot if you push down on the exhaust side of the fan ducting and when running under normal usage the fan is flat out.

    these pcs are from a collage clear out of dud pcs they couldn't boot as they have replaced them, there typicaly out of warrenty when they gave up.


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It sounds like the memory is the wrong type. you should get SDRAM-DDR2 at 667 MHZ. pc2-5300.


Posted on Feb 08, 2009

  • 1 more comment 
  • Matt Barr Feb 08, 2009

    Which fan are you talking about?

  • Matt Barr Feb 08, 2009

    Is there a lot of dust in the system? ive had this clog up the fans and cause them to make a lot more noise than necessary

  • Matt Barr Feb 08, 2009

    I beleive this system is part of a very large batch that dell sent out a few years ago that had motherboard issues. if you look around at the capacitors on the board, do you see any that look "popped"? They dont open up, they just bulge a little on top.

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