how can I fix my Satellite Receiver, Telestar, Teledigi 1 S ?

The receiver has no apparent damage, except for not showing power. The remote cannot be used.

This device was bought from Germany, I have been using it for 4 years, in UK, I moved three times houses, and evrytime it worked fine.

The device cannot be opened I wonder if someone had a similar issue.

Thanks,

Khaled