Desktop machine Dell OptiPlex 330n running Ubuntu Lucid 10.04 LTS.
Distributor ID: Ubuntu
Description: Ubuntu 10.04.1 LTS
Linux IBDesk06 2.6.32-24-generic #41-Ubuntu SMP Thu Aug 19 01:12:52 UTC 2010 i686 GNU/Linux
It is Intel mobo.
chaitanya@IBDesk06:~$ lspci -v | grep Audio
00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 01)
The problem is, when I connect the headphones to the from panel audio jack, only right headphone works. Left one has no sound. But if I connect same to the main jack at the back of the machine, everything works fine. Both headphones have sound.
Any help why this is happening and if anyone else has the same problem.