First open command promt
Enter the following command at the command prompt screen.
dir <drive letter> /s /b | find “<file name to be searched>”
For example, We wanted to search for a file named ‘mdi.chm’ in C: drive, we enter the following command,
dir C: /s /b | find “mdi.chm”
As you can see from the screenshot,
We quickly located the file we wanted.
Note: That the above search was non-indexed.