How to deny access when Win7 computer wakes up?

1. First of all, need to Win7 computer to cancel sleep function, the operation method is as follows:

At the same time, press the Win7 computer on the Win+r shortcut key to open the computer's running window, in the Open running window, enter CMD and click Return, so you can open the Win7 Computer Command Prompt window, in the Open Command Prompt window, enter powercfg-h off and click Enter, You can cancel the Win7 computer's sleep function.

2. Next, restart the Win7 computer, reopen the command Prompt window on the Win7 computer, and then enter powercfg-h on and click Enter to reopen the sleep function.