What you are describing is a burn. The 4:3 aspect ratio black bars are the culprits. The best way to get rid of them is to display a white screen and let it sit over night and hopefully they will be gone.
Try to keep still images off the screen as they will burn.
Answers & Comments
What you are describing is a burn. The 4:3 aspect ratio black bars are the culprits. The best way to get rid of them is to display a white screen and let it sit over night and hopefully they will be gone.
Try to keep still images off the screen as they will burn.