Is the problem with the laptop screen or the video adapter?
I recently had a laptop with an odd thing on the screen. It didn’t move and I couldn’t tell where the problem was. Brad suggested that I plug it into a monitor and see if the problem went away. If it did, then the problem was with the screen, not the video adapter or software.
The only problem? No external monitor to use.
The solution? Plug it into a projector.
The laptop treats the projector as a monitor. When the problem did not show up on the projected image, I knew the problem was with the laptop screen itself.
