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computer keeps turning off?

Discussion in 'Hardware' started by nav2009, Jan 3, 2009.

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  1. nav2009

    nav2009 Thread Starter

    Jan 3, 2009
    My computer turns off, a while after it is turned on. My computer's a pentium D, and initially i thought it was something o do with the cpu, i cleaned the heat sinks and cleaned out the copper dome, i dusted everything with a brush, except i used a vacuum for hard to reach places. I ran the computer with half the casing missing, so i could see what's going on.
    I felt everywhere for heat, and it turns out that the power supply is fine and it is in fact my graphics card (Geforce 7600) was extremely hot, but i'm not too sure if something else is causing the problem. I can't get into windows beacause it shuts off before i even have a chance, please help me, do i need to replace someparts or do i need a new hard drive?
    All fans are functioning properly, none are clogged with dust.
  2. jazz3000


    Apr 19, 2007
    If you boot into your bios is your system doing the same thing? Shutting off? Jazz
  3. Alex Ethridge

    Alex Ethridge

    Apr 10, 2000
    If you leave it off for a couple of hours before turning it back on and the result is it stays on longer than it did when you switched it back on just after it went down, it is probably a heat issue.
  4. CapriAnupam


    Jul 9, 2008
    Maybe a overheating problem. Had u taken out the heatsink of the CPU to clean it? Do check if its seated properly on the CPU, and is not loose.
    Ensure that the video card is seated properly, and if it has a fan, make sure its running.

    Check all the connections to your motherboard, and other devices.
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