HDMI turning off DN2820FYKH

Hey guys,

I've got a couple of media centres and my sky box plugged into a 5 way HDMI switch. All work fine except for the intel NUC DN2820FYKH.

As soon as I switch away to another input device and switch back, it won't pick it up the signal again. The other windows 8.1 PC (for games) does not have this issue and neither does the sky box.

Does anyone have any ideas?

Thanks,

Max