[SOLVED] Led display certain places gone black

[Drekoooo]

At the bottom left corner of my
monitor screen there are those black lines and it's getting spread more and more idk whats happening initially it was just a straight line but now it's quite big .how do I fix this ??

 

[Lutfij]

A picture showing the extent of the "damage" helps us understand if it's a panel issue or if it's a display driver issue. You might want to see if changing the cables to your display changes the issue. Also might want to uninstall and reinstall your drivers to see if the issue is resolved.