Win7 cannot use the key combination Ctrl+Alt+Del to bring up the task manager

Win7 Task Manager is a program we often use, it can help us solve some system failures quickly. Usually we use the key combination Ctrl+Alt+Del or Ctrl+Alt+Esc to call up the task manager. But what should I do if I can't bring up the task manager when I hit the key combination? How to fix it when I encounter this situation?

Fix:

1. First run the dialog in Win7 Enter the taskmgr.exe command in the box to open the task manager.

2. Check if the taskmgr.exe program in Win7 system is damaged. It is recommended to hold down the Win+R key to bring up the Run dialog box and enter the CMD command to open the DOS panel. Enter C:\\Windows\\System32>dir task*.* in the DOS panel to check if the taskmgr.exe.manifes file exists and delete the file to solve the problem that the task manager cannot be opened.

Then restart the computer, enter the Win7 desktop, and then try to use the combination of keys Ctrl+Alt+Del or Ctrl+Alt+Esc to see, Win7 task manager is easy to call out again. Have friends who have encountered the same problem and quickly follow the above steps to fix it.