StarTech.com StarView SV211K 2-port KVM Switch "restore lost tv channel" Questions

...lost all channels except sky one. the tv listings were all there but signal unknown. reset factory settings now have no channels at all. i'm on virgin in bristol. what codes or frequency do i need? ...

...NO TV TO WATCH I live in the Glasgow area and I have lost most of my channels on my star view box tried restoring factory settings and re-scanning but still the channels are missing, can anyone