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Computer turning on and off during boot

Hey everyone, so I just built my first computer and have been using it for a few days now with no problem. This morning my brother said he tried to turn it on and it turned off then on then off then on again. After the last time it turned on he says everything is running normally. Any thoughts why this happened? I should also mention that a few days ago I got a blue screen but then my computer rebooted and behaved normally again. I thought it was just a fluke.
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  1. Archdruid205 said:
    Hey everyone, so I just built my first computer and have been using it for a few days now with no problem. This morning my brother said he tried to turn it on and it turned off then on then off then on again. After the last time it turned on he says everything is running normally. Any thoughts why this happened? I should also mention that a few days ago I got a blue screen but then my computer rebooted and behaved normally again. I thought it was just a fluke.

    Probably a faulty PSU. What brand is it? PSU's not rated 80+ or from unknown vendors/companies usually are not good. One piece of advice any builder should stick by is don't skimp on power.
  2. IwinFTW said:
    Archdruid205 said:
    Hey everyone, so I just built my first computer and have been using it for a few days now with no problem. This morning my brother said he tried to turn it on and it turned off then on then off then on again. After the last time it turned on he says everything is running normally. Any thoughts why this happened? I should also mention that a few days ago I got a blue screen but then my computer rebooted and behaved normally again. I thought it was just a fluke.

    Probably a faulty PSU. What brand is it? PSU's not rated 80+ or from unknown vendors/companies usually are not good. One piece of advice any builder should stick by is don't skimp on power.


    My psu is an XFX 750w 80+ bronze certified
  3. Best answer
    Archdruid205 said:
    My psu is an XFX 750w 80+ bronze certified


    I haven't heard too many bad things about XFX's PSU's so you should be good in that respect, but either way your PSU could be damaged or faulty which would bring up the symptoms you have. Test your PSU using methods you can find online and you should be fine.
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