Windows 10: Computer incredibly slow, 100% disk usage

Discus and support Computer incredibly slow, 100% disk usage in Windows 10 Ask Insider to solve the problem; I have an old laptop I'm trying to keep alive on win 10 (fallback will be to install linux). The thing is totally unusable, like opening anything takes... Discussion in 'Windows 10 Ask Insider' started by /u/Mastiff37, Apr 18, 2020.

  1. Computer incredibly slow, 100% disk usage


    I have an old laptop I'm trying to keep alive on win 10 (fallback will be to install linux). The thing is totally unusable, like opening anything takes 30 seconds to minutes. Often I can't type even. I notice the drive usage on task manager is often at 100%. It's also repeatedly failing to install recent updates (1909, with error 0x8e5e03fe).

    I'm open to any suggestions how to solve this, but one thing is I want to do a good surface scan of the drive in case that's the problem. If I run chkdsk /f /r /x, it asks if I want to do it on reboot and I say yes, but it doesn't seem to spend any time on it (a minute or less). My experience is that surface scans can take a very long time. What might be going on there?

    submitted by /u/Mastiff37
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    :)
     
    /u/Mastiff37, Apr 18, 2020
    #1

  2. Disk usage is 100%

    Disk usage is 100% resulting in computer being real slow. How do I fix this problem
     
    RalphMartin2, Apr 18, 2020
    #2
  3. Disk usage is 100%

    Disk usage is 100% resulting in computer being real slow. How do I fix this problem
     
    MitchellLake1, Apr 18, 2020
    #3
  4. Computer incredibly slow, 100% disk usage

    100% disk usage

    The most common cause of 100% disk usage appears to be Superfetch and Prefetch, but there are also other causes. You can try disabling both these features and see if it helps.

    This article provides steps to disable prefecth and superfetch:

    -
    How to Fix 100% Disk Usage Error in Windows 10
     
    Salman Patwegar, Apr 18, 2020
    #4
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Computer incredibly slow, 100% disk usage

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