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PC shuts off at bootscreen


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#1 jono198511

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Posted 21 November 2010 - 10:44 AM

For the past few weeks my PC has been shutting off at the bootscreen occasionally and shutting off at random times if I have the computer on for too long. In the past I have seen this and it was a result of a bad power supply. However, I have been short on money because I am a student so I have just been dealing with the problem and turning it back on until windows starts up (this usually happens on the 4th or 5th try). Today it happened and I tried turning it back on a few times but now the monitor is not getting a signal from the PC. I am running a Gforce 7900 video card, not the onboard video. Could this be the powersupply, video card, or possibly that the video card is just pulling too much for the power supply to handle? I am kind of desperate here because I have papers due, right now I am using my sisters computer to post this.

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#2 gregoryd73

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Posted 04 December 2010 - 04:44 PM

My Sister's desktop was doing something like this and I found the heatsink had popped-off the microprocessor, so the motherboard was stopping the computer from booting to protect the processor. If this is a desktop, pop the top and check all hardware as well as all FANS for proper operation. I hope this helps ... Re-securing the heatshink to her processor fixed the problem.

#3 Broni

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Posted 05 December 2010 - 12:19 AM

When was the last time, you cleaned inside the case, using a can of compressed air?

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#4 Lowki11.

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Posted 05 December 2010 - 12:50 AM

If cleaning your hardware with air or fixing the heat sink doesn't work, You may need to replace your fan, if that doesn't fix it its your power supply.

#5 jono198511

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Posted 05 December 2010 - 02:34 AM

thanks for the help guys. I tried replacing the power supply which didn't work, I then put the old one back in and it stopped reading my SATA drive, then it stopped reading the IDE drive and I tried them on another motherboard, I checked the bios and everything was fine. I was so stumped I ended up saying eff it and getting a new motherboard and processor along with 4 gigs of ram because it was on sale and i said eff it. 300 dollars later my headaches are gone and everything runs fine :)

#6 gregoryd73

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Posted 05 December 2010 - 10:00 AM

Glad you resolved it ... sometimes the "easy path" just doesn't work. :-)

#7 Broni

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Posted 05 December 2010 - 12:28 PM

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