Trouble-shooting→Hardware→Audio-cards

How to solve no-sound issue with ASIO drivers of the M-Audio Delta cards
Channel-routing icons missing in track-headers when using M-Audio Delta 44 card.
Solving ASIO problems with Echo Gina soundcards
Solving ASIO problems with Terratec DMX6Fire 24/96 soundcards
Solving (Audio Phile 24/96) hickup problems using CPUSpike
Try the Studio Central audio troubleshooting pages for various general pc-audio related problems. I found a lot of resourcefull information there.