In Windows 7 the default location to which Explorer opens is the Libraries folder which contains your Documents. Make it open My Computer folder instead.

Jim Pearson wants to change the default location for Windows 7’s version of Windows Explorer, and have it default to opening C: The simplest way to open the Windows 7 version of Explorer is to ...

In Windows 10 and Windows 11, you can also go to your computer's "About" menu for more information. Windows 8 users can open the "PC Info" menu to check their PC's specifications.