Shutdown command shutdown

Q: My Windows 7 system can use a command such as: at 23:00 shutdown -s to count down the shutdown. Now I can't use this command. Is this what is the reason?

A: The normal operation of this command requires the "task scheduler" service in the system to support. If the service is closed, there may be cases where the command does not work. Solution: Press "Win+R", enter "Services.msc" and press Enter to open the service manager, find the above service and make sure it is running. In addition, please use the English input method when entering the above command. If you input in the Chinese input method state, it may not be executed.