abdelkader belahcene wrote: > HI, > on my new laptop HP, > I tryed debian 5.0, ubuntu 9.04 , linuxMint 7, > > the sound is not running on all, while the hardware is detected , the sound > indicator is green correct, When I play a sound file, it plays normally, but > no* sound is heard.* What is the output of 'aplay -l'? Have you unmuted your channels in 'alsamixer'? Cheers, Johannes