
This will open the Powershell/Command prompt 3. Right-click on the start icon to bring the context-sensitive menu and click on the “Windows Powershell (admin) or “command prompt (admin).Here are the steps to temporarily stop the Superfetch service. This is one of the major culprits and it is recommended to first tweak Superfetch settings if you are facing the 100% disk usage issue along with bad performance. Fixing (Disabling) both or one of them usually does the trick. So, there are two major culprits that usually cause this issue of 100% disk usage and performance deterioration: Superfetch and search indexing.
