If the card has been out of a Digibox for over a month then it will need awakening again. Simply leave it in the working Digibox for a while, usually overnight, so that it can get its "stay alive" signal.
is it also posible,to reaktivate a sky hd card,after no long of use,over channel 5?
i have at the moment thomson reveiver,and channel 4 5 card,and think about it to buy sky hd,when i found i cheap dealer on the net,i dont want to buy expensice sky hd reveiver, some nds cam supportet on ebay,like dragon cam,or also the openbox does,but no upgrade,in this kind of cams,now the question,is it posible,to get the upgrade over all channels,inclufing hd channels on sky hd card ,or not?
if so,i could use my ,homecast hs 5101 reveiver?
but,when the upgrade,would not work,what i dont know,then,i must,buy,the expensice,sky digibox...
AFAIK there is no difference with a $ly card for HD, it's just a matter of what you pay as to what level it's activated to.
I know that Dragon cams can emulate NDS for SD but I don't know if they'll work for HD. Don't forget that even if it does work for HD then, as the Dragon won't keep the card "alive", you'll have to return it to a proper Digibox to be revived every 4 - 6 weeks.
I strongly suspect that the easiest option in the end will be to get the correct $ly HD box.