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  1. R

    Constant CPU usage from nvlddmkm.sys

    It's an updated video card. The computer was running fine before. It looks like something with the video card driver is causing issues.
  2. R

    Constant CPU usage from nvlddmkm.sys

    Hi popeye, it's a custom-built computer: Windows 8.1 64-bit ASRock H77M Motherboard Intel I5-3470 Processor GeForce GTX 650 Video card I've updated all of the chipset drivers and have used the manufacturers (NVIDIA) video card drivers, both new and old. Thanks, Richard
  3. R

    Constant CPU usage from nvlddmkm.sys

    Hi everyone, I'm having stuttering problems on my workstation: Windows 8.1 64-bit ASRock H77M Intel I5-3470 GeForce GTX 650 When I boot up my computer it runs fine for a while (sometimes 10 minutes, sometimes an hour.) At some point, the CPU starts running consistently at about 6-7% which is...
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