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