Tv tuner card problem

[mathan]

dear friend i have problem in tv view application
i try zapping tvtime xawtv kdetv but no use
but windows xp is fine see my attachment

my card details links
http://www.mercury-pc.com/product-detail.php?link=p-addcards&subtitle=Add-On%20Cards&productid=653

[kto]

Have a look at dmesg and use /sbin/lsmod to see if the card has been identified correctly.