100% Disk Usage on Windows 11? Why & How to Fix it

Check out the expert-tested methods to resolve the issue.

5 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

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Encountering 100% disk usage on Windows 11 could result in a slow computer. In addition, some processes could take up resources, preventing the PC from functioning correctly. Many users have complained about this after upgrading to Windows 11. However, it can be fixed in no time.

Here we will discuss some troubleshooting tweaks to speed up the computer andreduce disk usage. Also, we will shed light on the reasons for its occurrence.

What causes 100% disk usage on Windows 11?

There could be several reasons for high disk usage on Windows 11; we have mentioned some of the popular ones here:

How do I reduce disk usage in Windows 11?

Before engaging in advanced troubleshooting steps, you should consider performing the following checks:

1. Disable the indexing services

2. Reset Virtual Memory

3. Use the Command Prompt

4. Fix the StorAHCI.sys driver

5. Disable scheduled defragmentation

6. Disable background apps

7. Restore plan options

So, you need to follow these steps to fix the 100% disk usage on Windows 11. If nothing has worked for you, we advise you to perform a clean install of Windows to resolve the issue.

If you have any concerns or questions about the issue, feel free to mention that in the comments section below.

100% Disk Usage on Windows 11? Why & How to Fix it#

What causes 100% disk usage on Windows 11?#

How do I reduce disk usage in Windows 11?#

1. Disable the indexing services#

2. Reset Virtual Memory#

3. Use the Command Prompt#

4. Fix the StorAHCI.sys driver#

5. Disable scheduled defragmentation#

6. Disable background apps#

7. Restore plan options#