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Constant Freezing/Lagging On New Computer

Hi, I'm hoping that I could get some help fixing an issue I've been having. I've been having this problem for a while, ever since I built my new computer (new motherboard, video card, cpu, power supply) and I've tried to troubleshoot it but I can't seem to find a fix.

Basically after being on my computer for about 10 mins (doing anything from using notepad to gaming to web browsing) my screen will freeze and then resume about 5 seconds later. Then in a couple minutes it freezes again and it repeats until I turn off my computer.

Extra Notes:



Things tried:



Specs
Operating System: Windows 7 Home Premium 64-bit SP1
CPU: Intel Core i5 4570 @ 3.2GHz
RAM: 8.00GB Dual-Channel DDR3 @ 665MHz
Motherboard: Gigabyte Z87-D3HP-CF (Socket 1150)
Graphics: BenQ RL2455 monitor, 1023MB NVIDIA GeForce GTX 560
Hard Drive: 1863GB Western Digital ATA Device
Audio: Realtek High Definition Audio

If I could please get some help with this than it would be amazing. Thanks.
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  1. Best answer
    First thing to test your RAM with memtest86. http://www.memtest.org/ if you have two sticks test each one separately.

    Second thing, take out the GPU and plug the monitor on MB's VGA/DVI port, see what happens.

    Third thing, check your Task Manager for any abnormal behavior, like abnormal CPU usage, or abnormal uses of RAM.
  2. Sorry for the late reply, I have truly been swamped with school work. I played around with my computer more and none of these tips solved anything.

    What seems to have fixed the problem however is going into my device manager and removing a pair (two of the four) NVIDIA High Definition Audio items. Since I did this I haven't had the problem however I'm not quite sure why.
  3. So far so good, if it happens again let us know. And next time don't forget to mention about the PSU. Cheers.
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