[mythtv-users] My NEW tuner problem

[Ignacio]

Ok guys, i have yet another problem with my tuner. Now wheneverver i 
attempt to watch tv with mythtv my system locks up in a black screen. Also 
whenevry i try to watch tv with an external tuner my i get a message that 
/dev/video0 can't be accessed because it's non existant, but when i got to 
my /dev directory video0 is there, can anyone help me fix this?