
If you’re unfamiliar with the app that’s causing high CPU usage in Windows 10, look it up online. Viewing CPU usage in Windows Task Manager. Step 2: With the Task Manager open, switch to the Processes tab and click on the CPU column to sort by CPU usage. Step 1: Right-click on your taskbar and select Task Manager. Here’s how to identify the causes of high CPU usage with the Windows 10 Task Manager: The Windows Task Manager will tell you exactly which programs are causing high CPU usage of 90 to 100%.

Identify the process that’s causing 100% CPU usage To avoid having to replace your CPU or your entire PC, here’s how to reduce CPU usage to sustainable levels.ġ.

Like driving your car in second gear all day - engine failure is inevitable.

Having a PC with a CPU at 100% all the time is a recipe for disaster.
