Yellow and White Line on the center of the screen.

[Cristhian Macoh Musada]

Hello there i was just playing some videos when my display adapter started to stop thus my screen started to turn black. then as the screen comes back. there is a yellow and white line on the middle of the screen. I tried rebooting, at first there is no mark but after some time. it would come out. Could you please help me out on this. thanks in advance.