How to Fix Windows 11 High Disk Usage

How-To Windows 11

Troubled with high disk usage on Windows 11? When the CPU or OS is consuming 100% of disk space, it surely creates panic. Isn’t it? Windows Task Manager lists down the CPU usage capacity for each app and service. If the disk usage capacity remains high for a longer duration, your device might stop responding at any point or may lead to certain other issues.

high disk usage on windows 11

In this post, we have listed a few solutions that will allow you to fix high disk usage on Windows 11 so that your device can efficiently utilize system resources to perform better.

Let’s get started.

Also read: How To Fix 100 Disk Usage Windows 10 Error

How to Fix High Disk Usage Windows?

#1 Reset Virtual Memory

Virtual Memory is one of the most useful features that allows you to instantly free up RAM’s storage space. The high disk usage on Windows usually occurs due to a shortage of RAM space. Hence, in this scenario, we can use virtual memory to compensate for the shortage of storage space on RAM. It can be achieved by transferring a few files and pages from the random access memory to your device’s disk storage. To reset the virtual memory, follow these quick steps:

Press the Windows icon, open Settings. Select “System”. Scroll down on the left menu pane and then tap on “About”. On the right side of the window, tap on the “Advanced System Settings” option.

high disk usage on windows 11

In the System Settings window, switch to the “Advanced” tab and then tap on the “Settings” button placed in the “Performance” section.

high disk usage on windows 11

In the next window that appears on the screen, switch to the “Advanced” tab and then tap on “Change”.

high disk usage

Uncheck the “Automatically manage paging file size for all drives” option.

high disk usage on windows 11

Now, we have to specify a maximum storage space size capacity for RAM. Just make sure that you enter the figure in megabytes and it should be approx. 1.5 times the physical RAM capacity of your device. Tap on “Set” after entering the figures.

Hit the OK button to save the recent changes.

After resetting the virtual memory, the next step is to get rid of temp files and obsolete data. Press the Windows + R key combination to open the Run dialog box. Type “Temp” in the textbox and hit Enter.

high disk usage on windows 11

Press Control + A to select all files, right-click on the selection and then select “Delete” to get rid of temp/junk files stored on your device.

high disk usage on windows 11

Also read: Fix 100% Disk Usage By System And Compressed Memory In Windows 10

#2 Customize Power Settings

Open Windows Settings, select “System”. Switch to the “Power and sleep” section from the left menu pane.

Hit the “Additional Power Settings” option placed on the right side.

high disk usage on windows 11

In the Control Panel window, tap on the “Change Plan Settings” option.

Select “Change advanced power settings”.

high disk usage on windows 11

Tap on the drop-down menu and select the “High Performance” option instead of “Balanced”.

how to fix high disk usage windows

Hit the OK and Apply buttons to save changes.

Also read: Simple Steps to Fix Driver Power State Failure on Windows 10, 8, 7

#3 Disable Notifications

The next workaround to fix the “High disk usage on Windows 11” issue is by turning off the Windows notifications temporarily. Here’s what you need to do.

Open Windows Settings, select “Privacy” and then tap on the “Notifications” section from the left menu pane.

how to fix high disk usage windows

Hit on the “Change” button.

Disable notifications for all apps and services, and then save your settings.

Also read: {FIXED}: MsMpEng.exe On Windows 10 High Disk Usage Issue (2021)

#4 Fix the StorAHCI.sys Driver

Press the Windows + R key combination to open the Run dialog box. Type “Devmgmt.msc” in the textbox and hit Enter.

how to fix high disk usage windows

In the Device Manager window, look for the “IDE ATA/ATAPI Controllers”. Tap on it.

how to fix high disk usage windows

Select “Standard SATA AHCI Controller”. Right-click on it and select “Properties”.

In the driver properties window, switch to the “Driver” tab.

how to fix high disk usage windows

Tap on the “Driver Details” button. Now check if you see a file named “storahci.sys” in the window. If yes, tap on OK and close this window.

Head back to the “Standard SATA AHCI Controller” properties window, switch to the “Details” tab.

high disk usage on windows 11

Select “Driver path Instance” and then copy the location path listed under “Value”.

Press Windows + R key combination, type “Regedit” and hit Enter.

high disk usage

In the Windows Registry Editor box, navigate to the following path:

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Enum\PCI\ \\Device Parameters\Interrupt Management\MessageSignaledInterruptProperties

high disk usage

Double-tap on the MSISupported file. Enter “0” in the Value data field. Hit on the OK button.

high disk usage

After performing the above-listed set of steps, open Task Manager and check if you still see high disk usage on Windows 11.

What Leads to High Disk Usage?

high disk usage on windows 11

Some of the most common reasons that lead to high disk usage include too many active applications, when an upgrade is in progress, background apps consuming IO resources, shortage of RAM storage space, and other probable causes.

What is Disk Usage?

The Disk Usage column in the Windows Task Manager is pretty crucial. Disk usage lists down the percentage of your hard disk that is currently being used by your device to perform various tasks and functions. High disk usage on Windows can lead to several issues like device failure or crash, inadequate performance, unresponsive apps, and more.

How can I fix High Disk Usage On Windows?

You can use any of the above-mentioned methods to resolve the “High Disk Usage on Windows 11” issue. By just making a few quick changes in your device’s settings, you can minimize the disk usage percentage and resume your device to a normally functioning state.

Was this post helpful? Did these solutions help you in decreasing the disk usage percentage on Windows 11? Feel free to share your thoughts in the comments space!

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