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CPU or MB fault, which one?

By minnie
Jul 5, 2007
  1. Hi All,
    I have an Asus P4P800S-X, with an intel chip that has suddenly gone dead.
    With no monitor on power up and no reset other than pulling the plug and cold booting.

    Was working ok up until a week ago when drives started disappearing.
    How do I tell if it's the MB or the CPU thats playing up?

    Many Thanks
    minnie
     
  2. puffader

    puffader TS Rookie Posts: 42

    Psu

    If things started dissaPEARING IT MIGHT BE THE psu, As it starts burning out, it starts losing the ability to deliver the voltage to the drives. I would start by smelling it. I could be wrong but it sounds like that may be the problem!
     
  3. minnie

    minnie TS Rookie Topic Starter

    Thanks for the reply,
    I just checked it with new PSU, no difference, just completely black.
    Do I need to have the cpu in to get a bios display?
    That would tell me if it's the M/B or CPU
     
  4. puffader

    puffader TS Rookie Posts: 42

    I believe so

    I'm not sure, but I dont think it will come on without a brain.....Good luck!
     
  5. nickc

    nickc TechSpot Paladin Posts: 923   +11

    with out the cpu, u want get anything.
     
  6. minnie

    minnie TS Rookie Topic Starter

    Damn, so there's really no way to tell if it's cpu or m/b?
    It's sounding like I have to just get either one and try my luck.
    any tips?
     
  7. puffader

    puffader TS Rookie Posts: 42

    Well....

    Mother boards are pretty durable from what I understand, maybe you can find an old PSU lying around and try that! I would go with a new PSU, just try to get more wattage than you have now, then even if it isn't the PSU you now have a much better one! Thats all I have to say about that!
     
  8. pdyckman@comcas

    pdyckman@comcas TS Rookie Posts: 527

    Check ram with a "known working module" before you buy anything. It seems that if your hard drive has "dissappeared", it may never come on again. If you upgrade your processor, be sure to get the mobo/cpu bundle so as to cover both bases. Good Luck.
     
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