Question about HP Pavilion (PN153AAR) PC Desktop

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My computer starts up fine no beeps all lights and fans all run fine when i start it up. But it dont show anything on the moniter. It is not the video card. I put a new video card in it thinking that might be the problem. The cpu is not burnt no pins missing or broken. Im not sure if it is the cpu or maybe the mother board but I think one of them are bad or shot. I am not sure how to know or how to check to see if either one is bad can anyone tell me how?

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  • annietenn Feb 27, 2009

    hm. ok. thanks. I might see if i can find a computer store that will do that for free. or see if i can find someone to do it for me.

  • annietenn Feb 27, 2009

    i am good with computers i work on them alot. it is not the power supply thats good. hm i can try to put the cpu in another comp. i have another amd board to. thanks

  • Georgia B
    Georgia B May 11, 2010

    Have you tried a different monitor?

  • Thomas F. Schneider May 11, 2010

    Most shops, I believe, do it by substitution. They put a known good CPU into the board and if that works they know the board s goosd and the CPU is bad. You can also do it the other way around. OPut the CPU in a known good board. Can you get into the BIOS setup screen?

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Posted on Feb 27, 2009

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Not a clearcut answer unless you are experienced at bench testing. I will say that nine times out of ten it is the motherboard and not the cpu. If you had another system that would accepts your cpu, you could install that and check but you absolutely should not try this if you are not experienced and know how to do this properly. You also should check the motherboard for burnt areas as well.

There is a slight chance it is the power supply. A bad power supply can sometimes give enough power for the fan and lights but still be bad.

Posted on Feb 27, 2009

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