Video lection at my college got interrupted by BSOD and projector image glitched : r/PBSOD
Solutions for 'No Signal' on Projector Screen When Connecting to HDMI - VANKYO
I recently got an old projector (EPSON 915W) and the image is displaying improperly. This is supposed to be a blue screen (shown in the picture below). The bulb isn't the problem.