Both Nav and OBC show up on the screen.

Radio on/off button doesn't turn power on anymore.

I thought it might be a fuse, but it looks like nav/obc/radio all use same fuses.

Any other ideas what might have killed my radio.

[I didn't add/remove anything, just stopped working one morning. If I'd installed a DVD system, I could have used the title "video killed the radio car" - sorry, couldn't resist it ]

Apologies if wrong forum, mods please move.