Win7 file lost driver installation failure how to solve?

1. First, press the win+R shortcut on the win7 computer keyboard to open the computer's running window. Enter cmd in the open running window and click Enter. This will open the win7 system command prompt. The window is up.

2. In the command prompt window that opens, enter the cmd command and click Enter to confirm, then you can see the path of "File Loss" in the Command Prompt window. Record this path and access it through the path.

3. Finally, you can choose to copy the lost file in another computer of the same version, or go directly to the Internet to search and download the lost file, and store it in the path you just recorded.