ek,I have intel DZ77SL-50K motherboard with onboard realtek audio.My problem is sometime it (sound) works perfact but if i restart my pc sound doesnt work.Then if i keep my sytem turned off for 20-30 min it works again.Untill my sytem restarts or i turn off and turn it on in 5 minutes interval.But if i turn it on after 20 mins. it works..pleae help..
