You can also try pressing Windows+L to lock your screen and go back to the sign-in screen. If you don’t have any unsaved work, click the power button at the bottom-right corner of the Ctrl+Alt+Delete screen and select “Restart.” Hopefully, your computer will work normally after it reboots, as this fixes many system problems. To do so, locate “Windows Explorer” in the list of Processes, click to select it, and then click the “Restart” button. You can sometimes restart Windows Explorer to fix these problems. Sometimes, your Windows desktop-including the taskbar and Start menu-might freeze. You’ll lose any unsaved work in the program, but if it’s crashed and is using a lot of CPU, there might be no way to recover your unsaved data, anyway.

Select the “Processes” tab-if you don’t see it, click “More Details.” Locate any processes using a lot of CPU-you can click the “CPU” column header to sort by CPU usage and see the most demanding processes at the top of the list.Ĭlick a process to select it, and then click “End Task” to forcibly end the program.

Computer freeze black screen