Which of the following should the technician do FIRST?

A technician Is troubleshooting a corporate Windows PC that has a distorted image on the monitor. The user states the PC was working fine yesterday. Other computers are having the same Issue.

Which of the following should the technician do FIRST?
A . Check the BIOS firmware revision level.
B . Update the graphic drivers to the latest version.
C . Check with the IT department to see If any updates were pushed out.
D . Ask the users to reboot their computers to see If the problem clears.

Answer: C