Symptoms Press Ctrl + Shift + Esc to open Windows Task Manager.
When the processor is idle, it has a high System Idle Process in the CPU column, often between 70 and 90. You can open up Task Manager by pressing Ctrl+Alt+Delete or by right clicking on the Start menu and selecting “Task Manager”. In Windows 10, if you are using a decent GPU, CPU, and SSD, the normal CPU usage is around 2% to 4% at idle. When Windows 10 is in idle mode, there still high CPU usage in host.
