ViewSonic GA771 Monitor "apart mouse clean" Questions

apart and cleaned. If it is a wireless mouse, there is either a solid object where it looses the signal for a bit every once in a while, or the batteries are low. Your processor could be too busy with

...mouse, and every other thing apart from the VGA cord, then try again. If there is still no signal, turn computer off again, remove it's power cord, then remove the system Ram, clean it and fix it ...