Ern jura wrote: > After installing CentOS 5.2 on my Dell inspiron 1525 laptop, the sound > was inactive, I then installed Alsa-Driver, Alsa-utils, Alsa-plugins and > Alsa-libs the ATrpms site. The speakers then work fine, but when I plug > in headphones, the sound begins to fade out and eventually becomes > completely quiet. I have checked the Volume Manager and nothing is muted > including the Headphones volume, when I unplug the headphones the > speakers are also quiet. The sound card is a HDA-INTEL. Any suggestions > and solutions? > > NOTE: THE SPEAKERS WORK FINE, THE PROBLEM ONLY OCCURS THE MOMENT I PLUG > IN HEADPHONES. HOW CAN I USE HEADPHONES? > > > ------------------------------------------------------------------------ > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos check your modprobe.conf, my thinkpad works perfect with intel hda sound or post your lspci output here is my /etc/modprobe.conf for sound >> alias snd-card-0 snd-hda-intel >> options snd-card-0 index=0 >> options snd-hda-intel index=0 >> remove snd-hda-intel { /usr/sbin/alsactl store 0 >/dev/null 2>&1 || : ; }; /sbin/modprobe -r --ignore-remove snd-hda-intel here is my lspci output > 00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 02) > 00:1b.0 0403: 8086:27d8 (rev 02) PS you do not need atrpms for this driver