Windows 10: 100% Disk 0 C: Drive usage? Is there a reason why my C drive is constantly at 100% usage?...

Discus and support 100% Disk 0 C: Drive usage? Is there a reason why my C drive is constantly at 100% usage?... in Windows 10 Ask Insider to solve the problem; [ATTACH] submitted by /u/Trever5005 [link] [comments]... Discussion in 'Windows 10 Ask Insider' started by /u/Trever5005, May 7, 2020.

  1. 100% Disk 0 C: Drive usage? Is there a reason why my C drive is constantly at 100% usage?...

    /u/Trever5005, May 7, 2020
    #1

  2. C: Drive Disk Usage Stuck At 100%

    I've tried so many solutions to this problem, but none were working.

    My C: drive (HDD) is always stuck at 100% usage. The processes using most of the disk are System and Compressed Memory and Antimalware Service Executable. I'm not sure how to solve this. If any further info is required, tell me what it is and I will screenshot/give
    the info.
     
    SentriCast, May 7, 2020
    #2
  3. Slow PC - 50% Disk Usage but 100% on C: Drive

    Hi. i've seen multiple posts on the 100% disk issue and tried all of the previously suggested actions (disabling search, superfetch etc and all that). I had no 'slow' disk issues at all as MS updates seem to have rectified the situation in the Spring of
    2018 for us. However, since a September Windows 10 update, we are slow to boot up and slow-running again. When I access the task manager, processes tab, I see disk usage at 50% rather than the previous 100% give-away...

    But when I look at the Performance tab, Disk 0 C: (the main hard drive of my machine) is operating at 100% nearly all of the time...

    Does anyone have any thoughts on how to fix this issue please a the general running speed and in particular the boot up speed has deteriorated significantly. And in advance, I'm grateful for all suggestions but please don't suggest buying an SSD as I'm
    looking for a way of undoing whatever problems MS has caused again rather than having to pay several hundred Euros to fix faults they caused. 100% Disk 0 C: Drive usage? Is there a reason why my C drive is constantly at 100% usage?... :)

    Cheers

    UF
     
    KevinBaughen, May 7, 2020
    #3
  4. Marki243 Win User

    100% Disk 0 C: Drive usage? Is there a reason why my C drive is constantly at 100% usage?...

    100% Disk Usage on Secondary Hard Drive

    At the moment, I'm trying Method 2, but it causes 100% usage just by attempting to read it. According to Task Manager, it is the utilizes the hard drive the most on I/O read bytes, but this Chrome window uses the most on I/O write bytes (I have it installed
    on my SSD, so I doubt it should be causing anything in the other hard drives.).

    I had to close the first instance because it didn't respond when I chose to scan the drive. As of right now, it has not made any progress and the hard drive is at 100% usage.

    Does the amount of files on the disk affect how it is read as well? I recently bought this hard drive new and have very little files on it.

    Edit: It apparently decided to switch to my main C: drive instead of going to the hard drive. I'm going to retry with a full system scan.

    It hit a spike when it started scanning C:\Windows\syswow64\Spoonuninstall.exe right now. There is 0 kb read/write on the hard drive that is hitting 100% usage.

    Final Edit:

    I found that when I formatted the drive partition, it started running properly again. I tested out the Dolphin emulator as well as other games on it and it never peaked at 100%. It seems that something on the disk was causing the peaks, but what exactly
    I couldn't find out. It may have been a file corrupted as I copied over the games from my smaller hard drive or something else. Either way, it seems the problem is gone so far.
     
    Marki243, May 7, 2020
    #4
Thema:

100% Disk 0 C: Drive usage? Is there a reason why my C drive is constantly at 100% usage?...

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