yes, my user id, fea, is in the audio group. Also, per your request: groups users mail cdrom floppy sudo audio dip video plugdev netdev bluetooth lpadmin scanner pulse Debian-exim plex mlocate vtune nogroup ls -l /dev/snd total 0 drwxr-xr-x   4 root root      400 Aug 23 21:15 ./ drwxr-xr-x  25 root root     5340 Aug 24 15:55 ../ drwxr-xr-x   2 root root       60 Aug 23 21:15 by-id/ drwxr-xr-x   2 root root      100 Aug 23 21:15 by-path/ crw-rw----+  1 root audio 116, 15 Aug 23 21:15 controlC0 crw-rw----+  1 root audio 116,  3 Aug 23 21:15 controlC1 crw-rw----+  1 root audio 116, 10 Aug 23 21:15 controlC2 crw-rw----+  1 root audio 116,  9 Aug 23 21:15 hwC2D0 crw-rw----+  1 root audio 116, 12 Aug 23 21:15 pcmC0D0c crw-rw----+  1 root audio 116, 11 Aug 23 21:15 pcmC0D0p crw-rw----+  1 root audio 116, 14 Aug 23 21:15 pcmC0D1c crw-rw----+  1 root audio 116, 13 Aug 23 21:15 pcmC0D1p crw-rw----+  1 root audio 116,  2 Aug 23 22:00 pcmC1D0c crw-rw----+  1 root audio 116,  8 Aug 23 21:59 pcmC2D10p crw-rw----+  1 root audio 116,  4 Aug 23 21:59 pcmC2D3p crw-rw----+  1 root audio 116,  5 Aug 23 21:59 pcmC2D7p crw-rw----+  1 root audio 116,  6 Aug 23 21:59 pcmC2D8p crw-rw----+  1 root audio 116,  7 Aug 23 21:59 pcmC2D9p crw-rw----+  1 root audio 116,  1 Aug 23 21:15 seq crw-rw----+  1 root audio 116, 33 Aug 23 21:15 timer thanks.  any further ideas ? On 8/24/21 4:31 PM, Dr. Nikolaus Klepp wrote: > $ groups > $ ls -l /dev/snd