B&O 11 suddenly terrible picture. I fear the worst

Switched on the TV tonight and the picture is terrible, really dark, on all sources and menus.  Since I have not changed any settings, I fear the worst, that the panel has gone

 

Any thoughts would be most welcome

 

the TV is only a couple of weeks old!

 

thanks

Dealer purchase or eBay ?

I had an MX fail after 3 hours :-(

I consoled myself with fact that I had at least gained a remote ...

This was a duplicated thread by the OP -- just came across the second thread where the solution was a system power off and restart -- OP now happy :-)