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New GPU causing high CPU usage

Discussion in 'Hardware' started by Adastraa, Nov 23, 2011.

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  1. Adastraa

    Adastraa Thread Starter

    Nov 23, 2011
    Hello everyone,

    I've recently gotten a new video card which I installed on my computer as one of my two video cards. To match up with the new card, I've also purchased a new PSU to ensure that there is enough power going to my system. However, after installing both parts and doing a fresh OS reformat, I found that with both cards connected to the computer, there is an 85%+ CPU usage rate which causes the computer to be really slow even with nothing running. I've tried googlin' around for possible solutions and have not really come up with anything that has helped.

    Tried Solutions:
    • Reformat OS (Windows 7 Professional)
    • Reseat each GPU
    • Switching the GPU locations

    System Info:
    Video Card 1 (New): MSI GeForce GTX 560 Ti Hawk
    Video Card 2: EVGA GTX 470
    Motherboard: ASUS Sabertooth 55i
    PSU: Corsair TX750

    Additional Info:
    Before this setup, I was running the 470 with a 8800 (I use two even without SLI because I use three monitors) and it was fine. If I only have the 560 installed, it runs fine. If I only have the 470 installed, it runs fine. But with the 560 along with the 470, the computer's CPU usage sky rockets.

    Any help and assistance would be appreciated, thanks!
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