One of your Windows 7 computers has worked just fine for months, but it’s now hanging just after the login screen. Over the last week, you’ve added a number of new applications, a new wireless keyboard, and a new external USB drive. What’s the best first step for recovering from this problem and getting the computer back into usable shape?
A) Wipe the drive and perform a clean install
B) Perform a System Restore from either safe mode or from the Windows 7 installation media
C) Restore the operating system and use files from a backup
D) Use the Windows 7 installation media to perform an in-place installation over the existing Windows 7 installation
E) Bang your head on the desk. Hard.