Since two weeks I suddenly lost HDMI connection. It doesn't matter witch external device I want to use with the TV, the Tv doesn't find a video signal.
I tried every of the 4 HDMI ports and 3 different HDMI cables that worked before.
The only one thing that has changed is a settopbox from Telfort. It worked fine for a few weeks and then suddenly the video signal was gone but on all HDMI channels.
Can anyone tell me what the problem is?