![A blue line appeared. It came out because very young cousin messed with the buttons under the monitor. I'm sure it's not dead pixels because each side have different contrast/brightness, other side A blue line appeared. It came out because very young cousin messed with the buttons under the monitor. I'm sure it's not dead pixels because each side have different contrast/brightness, other side](https://preview.redd.it/3ymjdu32lvo81.jpg?auto=webp&s=4b4519bc068c02636ab8c37bf7d89e0fd0b7ded0)
A blue line appeared. It came out because very young cousin messed with the buttons under the monitor. I'm sure it's not dead pixels because each side have different contrast/brightness, other side
![Just had a blue vertial line show up on my monitor then magically go away what could of caused it? | AnandTech Forums: Technology, Hardware, Software, and Deals Just had a blue vertial line show up on my monitor then magically go away what could of caused it? | AnandTech Forums: Technology, Hardware, Software, and Deals](https://i.imgur.com/HoQiiq3.jpg)
Just had a blue vertial line show up on my monitor then magically go away what could of caused it? | AnandTech Forums: Technology, Hardware, Software, and Deals
LCD- Vertical red, green,blue lines but disappears in white displays - iMac (20-inch Early 2008) - iFixit
![Asus ROG Swift PG278Q - Vertical Blue Line Appeared and Stuck on left 1/3. Fix needed! Please Help! : r/Monitors Asus ROG Swift PG278Q - Vertical Blue Line Appeared and Stuck on left 1/3. Fix needed! Please Help! : r/Monitors](https://preview.redd.it/2j809mbu0ki41.jpg?auto=webp&s=dcbf9ec25a469815cdb2d27c929cd72b061618f8)