A user has unintentionally and unknowingly hit a key combination that flipped the screen image upside down. Which of the following should a technician do to resolve the users issues?
A. Press the CTRL+CAPS LOCK+ESC key combination on the keyboard.
B. Press the CTRL+SHIFT+HOME key combination on the keyboard.
C. Press the CTRL+TAB+1 key combination on the keyboard.
D. Press the CTRL+ALT+ARROW UP key combination on the keyboard.