How to fix headphone jack audio issue for Dell XPS Studio on Ubuntu 10.04

After installing Ubuntu and its derivatives on a Dell XPS Studio, both the headphone jacks are unusable. Plugging earphones into the jacks produces no sound, and the system still outputs the sound on the laptop's speaker.

This problem is confirmed to affect Ubuntu 10.04 (Lucid Lynx) up to Ubuntu 12.10 (Quantal Quetzal).

The problem is related to alsa and can be fixed with these steps.

Steps to fix headphone jack no audio issue for Dell XPS Studio:

Launch terminal.
Open Alsa module configration file using your preferred text editor.
```
$ sudo vi /etc/modprobe.d/alsa-base.conf
```
Add the following line at the end of the file.
```
options snd-hda-intel model=dell-m6
```
Save the file and exit your text editor.
Restart your machine.
```
$ sudo reboot
```

Author: Mohd Shakir Zakaria
Mohd Shakir Zakaria is a cloud architect with deep roots in software development and open-source advocacy. Certified in AWS, Red Hat, VMware, ITIL, and Linux, he specializes in designing and managing robust cloud and on-premises infrastructures.

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