I have a a 5 Year old Panasonic Viera tv linked to my apple PC through a HDMI cable.I have sound but no picture. Is my TV to o

[oohahh12]

Does Netflix not work through a HDMI cable? I have a 5 year old panasonic viera tv linked to my apple PC via a HDMI cable. I get sound but just a grey screen.
I am wondering if i need to rest something in settings?

 

[USAFRet]

1st, try a new HDMI cable.