Start the computer in Safe Mode – The second way to get back your original display settings is to start up in Safe Mode, which basically loads Windows in a stripped down state.So if you have an old 15 inch monitor and it can’t display 1600×1200, connect the monitor to a newer screen, log into Windows and change the display settings back to what is was originally. Connect computer to a more advanced monitor – One way to see everything again is to simply connect the computer to a monitor that can support a higher resolution.
