pc + speakers help!

ok i have a samsung t260hd monitor/tv and i have my pc hooked up via hdmi and my logitech z-5500 speakers hooked up to my sound card and sound comes from the speakers but they also come from the speakers on the monitor/tv how do i get the sound to only play on the logitech speakers.

thank you.

but i have a blu-ray drive and i heard that if i use dvi the movies will come out as just standard dvd's

but i have a blu-ray drive and i heard that if i use dvi the movies will come out as just standard dvd's

jedi322

o cool so wat i heard was wrong thx ill just use the hdmi for something else

thx man.