Why There Is A Yellow Line On My Screen. We suggest that you ensure the latest updates are installed on your Surface. This might be a display adapter driver problem or it might be a fault on the monitor screen itself.
Why is there a random yellow line on the screen. Start by quitting all the running apps and resetting the device. If the issue does not appear on the alternate monitor you may need to replace the display assembly on your computer.
3 If the yellow line still there repeat first step and long press on tile.
Try using a different video connection port or type if the computer and monitor both support one. Horizontal lines on your Surface Pro 4 screen can be caused by a hardware-related issue and theres a possibility that its connected with thermal issues. 2 Try first just swipe all tiles. I have reviewed your post and I understand theres an issue with the display.