What's the signal strength off the aerial ? If it's a bit dodgy then the card wont recognise all the inputs. I had trouble with ch.5 for some reason. All the rest were OK. Try moving the aerial if poss.
Surface Pro (2017) vs Surface Pro 4
Where HTML5 is headed next
MacBook Pro v Surface Pro 5
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.