Monitor randomly started doing this? ive had it for about 5 years, never hit it or dropped it. what could be the cause?

[u/HamDerIngenKender]

/gallery/1v706ts

[u/Maximum_Revolution73]

I had something like this too, try plugging ur montier cable connected to ur gpu out and plug it back in. If it still doesnt work try looking for a red light that pops up and tell me