Windows 10: Windows 100% disc usage by System

Discus and support Windows 100% disc usage by System in Windows 10 Ask Insider to solve the problem; Ok guys, I just completely initialized my pc, but it is kinda slow due to 100% disc usage without anything open. What causes this? I tried disabling... Discussion in 'Windows 10 Ask Insider' started by /u/MistaHate4, Sep 21, 2020.

  1. Windows 100% disc usage by System


    Ok guys, I just completely initialized my pc, but it is kinda slow due to 100% disc usage without anything open. What causes this? I tried disabling Windows search but it did not fix. Any tip?

    submitted by /u/MistaHate4
    [link] [comments]

    :)
     
    /u/MistaHate4, Sep 21, 2020
    #1

  2. Disc Usage at 100%

    Hi Andre,

    Thanks for getting back to me.

    I started going through your list of suggestions.

    I have switched off all background apps. I was horrified to see so many.

    I then disabled windows update.

    At that stage I thought I would check out disc usage on task manager.

    Disc activity had gone down dramatically and in the performance tag activity was very low, it spiked from time to time if I did something on the PC but the speed on all activity was back to normal.

    I thought I would leave things as they were and see if things stayed the same.

    No problems at all until this afternoon I was trying to look at a file via windows explorer and got the message "not responding". A quick look at task manager and disc activity is 100% again. Everything slows down. I close down some screens and the desk
    top turns black.

    The only way I can get a display up again is "alt" + "tab". The task bar has disappeared. I decided to reboot but the only way I can do that is with the on'/off switch.

    The PC reboots. I check that all the apps are still switched off and windows update is still disabled, Disc activity is still 100%.

    As I type this disc activity has suddenly dropped. it keeps spiking to 100% but then reverts back to about 12%.

    Is this normal or is there something else I should do.

    Back to 100% now. How do I find out what is actually happening, what activity is the disc doing?

    I am confused.

    Any suggestions?
     
    Michael_209, Sep 21, 2020
    #2
  3. Task Manager indicates 99-100% disc usage

    Hi,

    About your issue regarding your PC. Mostly the issue occur if your not cleaning your PC. Like for example: Not removing the file that you don't need or always cleaning your cache. We suggest you to check this article:

    How to fix disc usage in Windows 10
    . This article contains troubleshooting steps for you to fix the issue.

    Regards.
     
    Phillip Pio, Sep 21, 2020
    #3
  4. Windows 100% disc usage by System

    100% disc usage solved

    I may have spoken too soon? After a few weeks, disc usage has crept up again so it is now 100% much of the time. Mostly seems to be System or Norton accessing the disc. My memory usage is always around 60-70%.
     
    Lordwanswell, Sep 21, 2020
    #4
Thema:

Windows 100% disc usage by System

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