Solved! New PC turns on but no Display on Monitor #shorts PC Turns On But No Display? Quick Fix! If your new PC turns on but there's no display on the monitor, this might be the reason: Make sure your display cable is connected to the graphics card, not the motherboard. This is a common mistake when using a dedicated GPU. Watch this short video to see the fix in action! how to fix computer no display or no signal on monitor,no display on monitor but cpu running,no display on monitor but computer is running,no display on monitor,pc turns on but no display,no signal on monitor but computer turns on,pc on monitor no signal,no signal on monitor,how to fix no signal on pc monitor,no signal on computer monitor,computer turns on but no display on monitor,no display,pc is on but no display,parshva computers,parshva computers pc build,pc