Thanks for the reply. I have tried everything back to defaults so that all is hashed out, the screen resolution changes and I get the black borders round the whole picture (top, bottom, left and right), then made sure the emulator resolution option is also set to default, but I still lose the same amount of relative screen edge what ever settings I choose.

It’s a 720p TV, full resolution is 1366 x 786 which I have also tried setting manually in the config.txt with the same issue. Other emulators seem fine, it just seems to be the NES

What happens if you try and launch castlevania on the NES? Would be interested to see if it is just that game/rom and if it’s reproducable?

I will try another TV but I don’t think it is the set, as everything else (raspian, emulationstation, other consoles) seem okay, with no overscan or screen missing.

Thanks again for trying to help. I could probably put up with it, but as most NES games are a decent difficulty and reaction based, losing a bit of the screen, really hampers my progress, the turbo tunnel doesn’t need to be any harder :-S

Matt