I have solved my problems with Grub installation on an external USB disk and now I want to solve the non audio-problem with my new laptop (Acer Aspire 5720) The sound-card-config tool says that it is identified as snd-hda-intel. >From lspci I get: 00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 03) >From cat /proc/asound/card0/codec* Codec: Realtek ID 268 Address: 0 Vendor Id: 0x10ec0268 Subsystem Id: 0x1025011e Revision Id: 0x100003 I tried many different options in modprobe.con #remove snd-intel8x0 { /usr/sbin/alsactl store 0 >/dev/null 2>&1 || : ; }; /sbin/modprobe -r --ignore-remove snd-intel8x0 #remove snd-hda-intel { /usr/sbin/alsactl store >/dev/null 2>&1 || : ; }; /sbin/modprobe -r --ignore-remove snd-hda-intel remove snd-hda-intel { /usr/sbin/alsactl store >/dev/null 2>&1 || : ; }; /sbin/modprobe -r --ignore-remove snd-hda-intel install snd-hda-intel /sbin/modprobe --ignore-install snd-hda-intel && /usr/sbin/alsactl restore >/dev/null 2>&1 || : #remove snd-hda-intel { /usr/sbin/alsactl store >/dev/null 2>&1 || : ; }; /sbin/modprobe -r --ignore-remove snd-hda-intel #options snd-intel8x0 index=0 alias eth1 tg3 #options snd-hda-intel index=0 # ------------------------------ options snd cards_limit=8 alias snd-card-0 snd-hda-intel model=acer options snd-hda-intel index=0 model=acer alias snd-card-7 snd-usb-audio options snd-usb-audio index=7 Kernel is 2.6.22.7-85.fc7 I installed various updated alsa packeges (1.0.15-rc2) from development I still have no sound Any help??? -- Antonio Montagnani Skype : antoniomontag