I just bought a new korean 2560x1440p monitor i decided to overclock it to 120hz but ever since I overclocked it I have been getting terrible frame rates and my computer has been freezing and crashing. I set it back to its factory settings (60hz) and I was still having the problem my computer was restarting automatically and crashing alot I have even started using my old monitor which is only 1600x900 and i am still having the problem it has got to the point where I turn my computer on and it will shut down after 5mins. Any help would be much appreciated.
EDIT:Now whats happening is the screen is going black but the computer is still running and I can hear all in game sounds but the screen is black its not the monitor though
My specs
GPU: EVGAGTX660ti FTW
CPU: i5 3570k
Motherboard: Asrock extreme 4 z77
PSU: 750w aywun
RAM: 4gb G.SKILL Ripjaws
Harddrives: 120gb intel 520 SSD 500gb western digital
EDIT:Now whats happening is the screen is going black but the computer is still running and I can hear all in game sounds but the screen is black its not the monitor though
My specs
GPU: EVGAGTX660ti FTW
CPU: i5 3570k
Motherboard: Asrock extreme 4 z77
PSU: 750w aywun
RAM: 4gb G.SKILL Ripjaws
Harddrives: 120gb intel 520 SSD 500gb western digital
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