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Thread: Computer help?

  1. #1
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    Computer help?

    I'm sure you guys are alright with computers because I have limited knowledge..

    So a couple weeks ago my desktop just shut off on me while playing GTA.. no BSOD, warning message or warning of any type. Was not a power outage and it has not been able to turn on since. I'm sure temps were fine across all parts and nothing blew up inside because of heat as far as I know.

    I got lazy and only opened it up today so here is what I know so far.
    - PSU is fine.. I think, lights up normally and it looks fine inside
    - No unhooked connectors anywhere
    My computer has a pretty small case so it is a little tight inside.

    Specs: it was a OEM HP desktop from about 7 years ago... I've since changed everything but the HD, disk drives and case. Vista gives me an unregistered mode because its tied to the original motherboard and I'm too lazy to change OS'.

    Any ideas? I hate taking these stupid things apart which is why I stopped the whole computer modding crap and started going outside LOL

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    Hasn't been able to turn on since but the power supply is good? I would have to go with power supply on this one. Is there another one you can try?

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    hmmm... I have another one of the same model that is in right my desktop right now, but if I remember correctly that one also blew up or something which is why I happen to have two of them.

    I'll put that one in tonight and if that doesn't work I'll just grab the one in my Hawaii-vacationing friend's computer

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    Ya try another power supply at least it will reduce the potential options as to what may be wrong.

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    i can't tell if the second psu is fine and something else is f'ed or if the second psu is bad

    im gonna swap parts with my friends rig and hope he doesn't notice

    edit: i left the second psu connected to power and it smells like burning plastic, i remember why i replaced it now

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    If the second PSU didn't work either it's likely not both PSU's.

    Then again, you said you replaced it.

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    If nothing comes on and no beeps at all there are 2 options:
    PSU or video card.
    Taking the other faulty PSU into account my 1st guess is the PSU gave up.
    There are two theories to arguing with women. Neither one works

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    Your motherboard can also be shorting out on the case as well. Here try some of these steps if you haven't already:

    http://www.tomshardware.com/forum/26...video-problems
    Click here to enlarge

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    I've pretty much disassembled and then reassembled it and no dice. I'm gonna go ahead and swap parts when I get the chance. I'm thinking PSU but only because I can't tell if anything else is faulty at this point..

    I'm thinking it isn't the video card though since I would at least make it to POST right? I'm betting on cpu or motherboard, if not the psu.

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    Just because the PSU lights up doesn't mean it works. PSU's go bad a lot and will even show signs of life, even as far as spinning the fans but still its broken. Strain on the graphics card which pulls a lot of power may induce a PSU failure. I've seen PSU's not work even if you just wiggle it. If you have a burning smelling PSU, definitely first place I'd start. Might want to also make sure if you have dedicated graphics that its not maxing your PSU out, you'll want a bit of overhead.
    Click here to enlarge
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    Click here to enlarge Originally Posted by Drunkenup Click here to enlarge
    I've pretty much disassembled and then reassembled it and no dice. I'm gonna go ahead and swap parts when I get the chance. I'm thinking PSU but only because I can't tell if anything else is faulty at this point..

    I'm thinking it isn't the video card though since I would at least make it to POST right? I'm betting on cpu or motherboard, if not the psu.
    If you have a dedicated graphics card where your motherboard also has integrated graphics, pull the dedicated card out and plugin to the other 'vga' jack on the back of the computer. you should at least see the bios or a boot screen of some kind. If not, then its likely another issue as I mentioned above.
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    No integrated graphics on my mobo, it is likely the power supply. I might be pushing its limit with only a 500W output but I guess I've just been lucky pushing it for like 5 years now. I run a utility on video card every time I use it that will change the clocking (but never over factory specs) depending on load so maybe that has contributed to a power supply failure.

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