How to fix CPU & Disk Usage is 100 Percent in Windows 10 or Windows 11

On your windows 10 if your computer is suddenly responding slow or keeps hanging or becoming unresponsive or laggy or high memory usage or your cpu fan is running constantly with the heavy usage of your laptop or desktop computer then these methods will help you fix cpu and disk usage 100 percent issue which leads to slow performance of your windows 10/11 computer, So, let’s see in detail below.

Most of the time by  ending or stopping a chrome browser program from taskbar settings will help you fix the issue and if there are any other issues then you need to try these methods below and fix cpu and disk usage 100 percent and resolve it. 

CPU and Disk Usage 100 Percent in Windows 10 or Windows 11

Below methods will help you fix cpu and disk usage 100 percent easily.

Change Hard drive HDD To SSD

You need to change your hdd to ssd, most of the time when you perform all these methods below will only help few of the users, by changing your hard drive to solid state drive then you will able to fix high cpu disk space usage. If nothing helps or you are experiencing cpu and disk usage is 100 percent again and again then simply change your hard drive to ssd.

Also Read: 1) FIX: File Explorer Search Very Slow in Windows 10 with Green Bar

2) How to Fix Windows 11 Freezes & Unresponsive When IDLE

3) How to Increase Download and Upload Speed on Windows 10

4) How to Disable or Turn Off Windows Defender in Windows 11 or Windows 10

5) Fix Cortana Not Working In Windows 10 2021

Disable Startup Program

Step 1: In windows search type in msconfig and open system configuration

Step 2: Click on Start up tab

Step 3: Click on Open task Manager

Step 4: Click on Startup tab -> Disable apps which you are not using, sometimes by default windows loads lots of apps in startup which makes this result in cpu and disk usage to 100 percent and your computer to respond slow.

Step 5: Turn off or disable the apps which you don’t want to run from startup.

Once you turn off these apps like scanning apps, antivirus, or any other applications and  your windows 100 percent cpu and disk usage will be free or reduced a bit.

Delete Unwanted Apps

Step 1: Type apps and features in windows search and open it.

Step 2: Now, scroll down to see list of apps and delete any apps which you are not using.

Step 3: To uninstall apps -> Click on 3 dots and select uninstall and wait for the application to uninstall.

Disk Cleanup

You can also configure and customize clean up c drive and which files needs to be deleted when performing disk cleanup, So make sure you are not deleting any important data here. Simple uncheck from the list available in disk cleanup if data is important.

Step 1: In windows search type in disk cleanup and open disk clean up app.

Step 2: Now, click on Clean Up System files.

Step 3: Wait for windows 10 to clean up system files which will be deleted recyclin bin, cache,temporary files and all unnecessary files.

Now, wait for the disk cleanup process to complete and it depends, some times it may take a bit longer as well.

Power Options

Step 1: Type power options in window search and click on edit power plan and you can also navigate to this location using your control panel -> power plan settings as well.

Step 2: Now, click on power options

Step 3: Click on Show Advaced Plan Settings and click on radio button -> high performance here.

Step 4: Click save and open all closed windows and restart your computer.

Performance Monitor

Step 1: Type performance monitor and click on adjust appearance and performance in windows option.

Step 2: In performance option -> Select or click on radio button side by adjust high performance option.

Step 3: Click on ok.

Run Sfc Scan

Step 1: In windows search type in cmd and open command prompt and run it as administrator.

Step 2: In elevated command prompt cmd -> type in sfc /scannow and hit enter.

Step 3: Now, wait for the scan to complete.

Sfc scan will repair any corrupted files in windows and will fix them, once scan completes you need to restart your computer.