cpu stuck at 100%

  1. Posts : 3
    windows 10 pro x64
       01 Oct 2016 #1

    cpu stuck at 100%

    hello. i just did a fresh installation of windows 10 pro x64. all devices in device manager were recognized and installed automatically. i open task manager and notice that the cpu is stuck at 100%. i reboot to safe mode and the cpu is normal. any help?
      My ComputerSystem Spec

  2.    01 Oct 2016 #2

    Hi pyraylos and welcome to Tenforums.
    Try a clean boot to troubleshoot:
    Clean Boot - Perform in Windows 10 to Troubleshoot Software Conflicts - Windows 10 Forums
      My ComputerSystem Spec

  3.    02 Oct 2016 #3

    The same thing happened to me after a clean installation on a laptop. It was AMD graphic card driver. I checked it by using Process Explorer. Unfortunately I was not able to find a working AMD driver. Haven't tried the AU on it yet though.
      My ComputerSystem Spec

  4. Posts : 3
    windows 10 pro x64
    Thread Starter
       02 Oct 2016 #4

    simrick I followed part one of the clean boot guide and the cpu is still stuck at 100%, so there's no point going to part two of the guide. when I boot at safe mode though the cpu gets back to normal. any help?
      My ComputerSystem Spec

  5.    02 Oct 2016 #5

    Sounds like a driver issue. Have you checked for updates to everything, including graphics/BIOS/chipset, etc. on your manufacturer's web site? I think Elpusher is right, it's probably some sort of driver, or a program that's running at startup. If you have ASUS AI Suite on there, uninstall it, because it doesn't play nice with W10.
      My ComputerSystem Spec

  6.    02 Oct 2016 #6

    Yep, in my case (where video card driver was the culprit) the issue went away when booting into safe mode.

    Check all your drivers as Simrick suggested. Sometimes Windows picks "vanilla" ones that although it may seem that they work, they are not the optimum ones. Start but going to hardware manufacturers pages for them first. If you are stuck, you could try some driver downloader out there (I am lately using Snappy Driver Installer, but proceed with utmost caution and always create a restore point before doing anything. Some other people here recommends DriverEasy. Haven't tested it myself though.
      My ComputerSystem Spec

  7. Posts : 3
    windows 10 pro x64
    Thread Starter
       02 Oct 2016 #7

    i have uninstalled graphics, audio and network drivers but no luck. i let autoupdate to install them again but didn't work. i tried to install the manufacturer's ones but still no luck.
      My ComputerSystem Spec

  8.    03 Oct 2016 #8

    For a quick, free sanity check on driver status the free Windows Update MiniTool (WUMT; link is from US site MajorGeeks) program does a pretty good job with drivers. You can simply use it to scan installed drivers and see what it reports: you don't have to let it install drivers for you (though I've been messing with it for about three weeks now and it hasn't gotten anything wrong yet, nor any false positives or negatives, either).


    PS: a "false positive" is telling you a driver needs replacing when it doesn't; a "false negative" is not telling you a driver needs replacing when it does
      My ComputersSystem Spec


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