how to fix this? is it my monitor of graphics card?

[Luke_88]

MY MONITOR HAS BEEN LIKE THIS IN THE PAST FEW DAYS CAN YOU PLS TELL ME IF THIS IS A PROBLEM WITH MY MONITOR OR MY GRAPHICS CARD? or maybe you know how to fix this
Problem:
https://youtu.be/HHBK137vzHU

 

[Luke_88]

sorry it is monitor 'or' graphics card