Which of the following steps should the technician take to try to isolate and fix the screen flickering issue poor to replacing the screen?

A technician is troubleshooting a flickering screen on a laptop After reseating the video cable and replacing the whole screen the flickering issue remains the same.

Which of the following steps should the technician take to try to isolate and fix the screen flickering issue poor to replacing the screen? (Select TWO).
A . Update all device drivers on the computer
B . Uninstall video-related programs, even the ones not running
C . Update chipset and video drivers
D . Configure the laptop to work on a high-performance state
E . Flash the GPU RAM
F . Check the behavior on an external monitor

Answer: A,D