Question Please help! External monitor flashing red green blue and no display

Ralston18

Titan
Moderator
Video cable fully and firmly connected on each end?

What video connectivity (VGA, DVI, HDMI, DP) are you using between laptop and monitor?

Try replacing the existing video cable with another known working cable.

Try another video connection option with a known working cable.
 

ASK THE COMMUNITY

TRENDING THREADS