CompTIA A+ 220-902 Question F-25

After connecting a laptop to an external monitor, no display is detected and the monitor goes into sleep mode. Which of the following should be attempted FIRST to correct the problem? (Select TWO).

A. Change the input mode on the monitor
B. Reboot the operating system
C. Reload the display adapter drivers
D. Toggle the display using the keyboard shortcut
E. Verify network connectivity