OS:
Linux Mint 17 - Qiana (64-bit)
Linux Mint 13 - Maya (64-bit)
Linux Mint 10 - Julia
Ubuntu 10.04 - Lucid Lynx
Symptom: no sound when plug-in headphone
Solution:
1) open alsa-base.conf file
$ sudo nano /etc/modprobe.d/alsa-base.conf2) add the text below to the file (last line)
options snd-hda-intel model=dell-m63) restart your machine
Note:
Tested on Ubuntu Lucid Lynx 64-bit.
Update (19/11/2010):
Tested on Linux Mint 10 64-bit.
Update (15/11/2014):
Tested on Linux Mint 17 64-bit.