A technician powers on a PC and its monitor and sees the following error message: No input signal detected -The display lights on the computer are on. Which of ...

A technician powers on a PC and its monitor and sees the following error message:
No input signal detected -The display lights on the computer are on. Which of the following is a possible solution?

A. Changing the BIOS settings B. Changing the connector setting on the monitor C. Checking the power plug on the monitor D. Checking the power plug on the PC