Disk usage at 100%, the annoying Windows 10 issue.

There are many known and documented cases of disk usage at 100% on Windows 10 systems. A search online will likely render many forum posts of users asking how to fix this. Here are some of the common fixes recommended that yielded results.

Lets start with the easier of the possible solutions and build our way up.

Temporarily disable your antivirus

Disable your antivirus and firewall software temporarily to see if it may be the culprit of your problem. We’ve seen this problem happen when using certain antivirus software. If you’re still experiencing disk usage at 100% jump to the next solution.

If the problem is fixed, try updating your antivirus first. Assuming that doesn’t work re-install the antivirus software, and finally consider replacing it if the issue persists.

Check for Windows updates

From your start menu search bar type “windows updates” without the quotes.

From the settings window click the “Check for updates” button.

Allow any new updates to be installed and restart your computer if necessary.

Open task manager and check your disk usage.

Update your drivers

From your start menu search bar type “device manager” without the quotes.

Right click on your drive and select “Properties”.

From the properties window select the “Driver” tab

Click the arrow next to “Disk drives” and click the “Update Driver” button.

Click the option”Search automatically for updated driver software” and install any found new drivers.

Disable Windows search

Hold down the Windows logo button on your keyboard and press x, from the pop up menu select “Windows PowerShell (Admin).

Click “yes” when asked “Do you want to allow this app to make changes to your device”.

Type the following command with the quotation marks: net.exe stop “Windows search”

click the Enter key on your keyboard.

Check your disk usage and see if it went down. If it did you should permanently disable windows search.

To do so hold down the Windows logo button on your keyboard and press r, and type services.msc

Find “Windows Search” from the list, right click on it and select properties.

From the “Startup type:” dropdown select the disabled option.

Click apply and then Ok.

Disable SuperFetch

Hold down the Windows logo button on your keyboard and press x, from the pop up menu select “Windows PowerShell (Admin).

Click “yes” when asked “Do you want to allow this app to make changes to your device”.

Type the following command: net.exe stop superfetch

click the Enter key on your keyboard.

Perform a disk check

Your disk usage at 100% could be due to disk failure. The disk check will inform you so you can take preventative measures before loosing your data. Disk check will likely take a long time to run, maybe even a full day depending on your drive so make sure you have time before starting.

Hold down the Windows logo button on your keyboard and press x, from the pop up menu select “Windows PowerShell (Admin).

Click “yes” when asked “Do you want to allow this app to make changes to your device”.

Type the following command: chkdsk.exe /f /r

click the Enter key on your keyboard, and typr Y to confirm when asked.

Disk check will start the next time you start your PC and depending on the size of your disk could take anywhere from an hour to a full day.