How to diagnose non-working monitor connects to outside monitor
Screen started to flicker on and off, then completely stopped. Has glow(light) but does not display anything except on external monitor. How do I determine cause? If have to replace can I use HP Pavillion ZD7000 monitor to replace it.( other problems with it but screen ok) Grandma new to repairs so I need all help I can get. Thanks
Is this a good question?