Computer turns on, loads Windows 7, then screen goes black for about a minute?

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Bojangle12

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Feb 10, 2014
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I turn on the computer, it goes through loading windows, and the Windows 7 desktop background is there, and everything else is there. But then the screen turns black with the mouse curse showing. After about a minute the background comes back up. Sometimes I hear a beep from the mother board speaker.

Specs:
AMD FX-8320
Gigabyte GA-990FXA-UD3 rev. 4 motherboard
Windows 7
Any help?

More detailed info:
1. Replaced a heatsink fan. This fan didnt have a 4 pin connector for the CPU_fan header, so i plugged it into the power supply. I needed to disable the CPU_fan fail alarm.
2. Occasional beeps while Windows is running, but no black outs.
3. Now I notice these blackouts when Windows first starts up.

I'm worried the new fan I put in may have failed for like 1 second, and damaged the CPU with heat. Is this common?
 
Solution
smorizio
if the pc has the newer intel or amd cpu chip with built in video it could be the mb at post is falling over to the onboard video port. in the bios if your using a gpu card make sure under primany display is set to peg/pci. ipgpu is the onboard video port. if there no onboard video port can be two things a damaged video driver or old or outdated anti virus software or a damaged program at start up. for the video driver and other issue on power up hit f8 go into safe mode with network support see if the error still there if the error not there. go to add/remove programs uninstall the video card driver and reinstall them. reboot see if the error there. if it is boot back into safe mode in the run box type msconfig. when the window opens...
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smorizio

smorizio

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Jan 22, 2010
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if the pc has the newer intel or amd cpu chip with built in video it could be the mb at post is falling over to the onboard video port. in the bios if your using a gpu card make sure under primany display is set to peg/pci. ipgpu is the onboard video port. if there no onboard video port can be two things a damaged video driver or old or outdated anti virus software or a damaged program at start up. for the video driver and other issue on power up hit f8 go into safe mode with network support see if the error still there if the error not there. go to add/remove programs uninstall the video card driver and reinstall them. reboot see if the error there. if it is boot back into safe mode in the run box type msconfig. when the window opens go to the start up tab and make sure everything uncheck. this run a clean boot. if the error stops it one of the programs in start up. if the error still there go into add/remove programs remove the old anti virus software and install one of the newer ones that are free like avg or avast see if the error stops.
 
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Solution
A

Alec Mowat

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Jan 8, 2014
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Is it overheating?

When it reboots, go into the BIOS and see what the temperatures are at. If it's near 60 - 70, make the heatsink is on correctly.
 
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