Sometimes, the third-party antivirus software can misinterpret the three-fingers salute and prevent it from running on your Windows PCs. However, if the issue persists, third-party apps are not causing the issue, and you may need another solution to get rid of Ctrl Alt Del not working. The entire process may take some time, but you will permanently get rid of the troublemaker app.
If the issue is resolved, you can enable services and third-party software one by one to find the application that is causing the problem. You can reboot your computer and check if the Ctrl Alt Del not working issue is resolved or not.
Step 7: Lastly, close the Task Manager window and click “OK” on the System Configuration window to save your changes. Type “cmd” in the search box present on the taskbar and click on “Run as administrator” for Command Prompt from the search results.
The process of running SFC and DISM scans is the same in Windows 10 and 11. You can use Windows inbuilt utilities SFC (System File Checker) and DISM (Deployment Image Servicing and Management) to repair corrupted files on your Windows 11/10 PC.
It can also be one of the reasons for your PC to freeze and the Ctrl + Alt + Del key combination not to work. The corrupt system files can cause many issues on your computer. If your keyboard is working normally, you can move ahead with other solutions to resolve the Ctrl Alt Del not working. If the laptop keyboard is not working, you can try connecting the external keyboard and check if the security keys are working or not. The defective keyboard can cause issues sometimes. However, you can connect another keyboard to your system and check if Ctrl Alt Delete is working or not. If the keyboard is not working, you won’t be able to give any input to your computer. In addition, you can use Alt + F4 shortcut keys to sign out and switch users on your computer. You can use these keyboard shortcuts until the issue is resolved. And to lock your PC, press the Windows key + L. Note: If you just want to open Task Manager, you can press Ctrl + Shift + Esc keys together. However, if there are any differences in solutions, a separate section for Windows 11 will be mentioned in the solution. However, there are many similarities between Windows 10 and Windows 10, so some fixes will work the same in both the operating system versions. The below fixes will help you resolve the Ctrl Alt Del not working issue in Microsoft Windows 10 and Windows 11. 11 Solutions To Fix Ctrl Alt Del Not Working In Windows 10/Windows 11 You may need to replace the keyboard in this case and check if Ctrl Alt Del is working. For example, you can face this issue if the keyboard is typing the wrong letters. This issue can occur on Windows 10 and Windows 11 PCs, and the right set of solutions can help you resolve it. In this scenario, you will be stuck with a frozen Windows computer, and you may need to force reboot every time. Well, the issue can arise when Ctrl Alt Del is not working. You can also sign out, lock, switch users, and change passwords using these key combinations. The Ctrl + Alt + Delete keys is a three-finger salute or security keys usually invoked to open Task Manager when your computer is not responding to any action.