This is a strange error.

I just upgraded my Vu+ DUO from 4.xx(something) to 5.1.

When i start the box i can see about half of my channels the other half is just black(no audio no image). If i now reboot the box and directly go to one of the previous "black" channels they work. BUT the first channels are now black. If i reboot it all starts over again.

Another thing, on some channels there are no audio (mpeg)

Thanks for any help.

I have upgraded with Blue-Green-Green so i should have the latest fixes

Yes to new channelsearch, in Tunerconfig; do you mean Tuner B = Tuner A then it looks correct

Yes booth cables are pluged in, at the same position as the where before i removed the box to make the upgrade.

Thanks for taking your time to help me, much appreciated!