Samsung 1080p9 connection problem

[johnmaloney1]

My Samsung 1080 p9 dvd won't load and the Samsung LE40 B650 tv
shows no signal.
The dvd has been in for repair/check and worked fine in the shop connected to a Philips tv via hdmi.
The dvd will work with scart but as soon as I plug in the hdmi lead , picture goes and no signal appears.
I have tried other ports, and a different cable -same problem.
-the tv registers the hdmi connection and correct port.
Also my Sky HD box works fine via hdmi?

Any advice would be welcome.

 

[mentm]

Try changing the resolution to 1080i, or disabling 24p.

 

[johnmaloney1]

Thanks for the response- how do I do this?