Step 2: Go to Startup, stop the background processes from running at PC startup by clicking Disable. Just click them one by one and click End task. Step 1: Open Task Manager and go to Processes where you can see some processes that take up high CPU. To lower CPU usage, you can end these background processes. Your computer may have many background processes that run without opening them in a window. This may be helpful to reduce CPU usage since a reboot can clear out temporary files. Well then, how to reduce CPU usage so that your computer can run smoothly? It is easy and you can follow these methods below. The common reasons for this are background processes, malware, some specific processes, and more. Then, you ask “why is my CPU usage so high”.
Tip: If you encounter 100 CPU usage, you can fix it by following these ways in this post - 8 Useful Solutions to Fix Your CPU 100% in Windows 10.
