Radeon HD 3xxx driver however needs to be installed seperately. Just download the driver for linux from http://support.amd.com/us/gpudownload/linux/Pages/radeon_linux.aspx?type=2.4.1&product=2.4.1.3.5&lang=English
However, the speakers is not working although the earphone only. The resolution of the problem can be at https://bugs.launchpad.net/ubuntu/+source/linux/+bug/269027
- Finding out what type of soundcard
cat /proc/asound/cards
0 [Intel ]:
HDA-Intel - HDA Intel
HDA Intel at 0x98900000 irq 17 - Finding out the codec-type
head -n 1 /proc/asound/card0/codec*
==> /proc/asound/card0/codec#0 <== Codec: Analog Devices AD1984A ==> /proc/asound/card0/codec#1 <== Codec: LSI ID 1040 - With the information above, searching for the soundchip
zless /usr/share/doc/alsa-base/driver/ALSA-Configuration.txt.gz - Editing "/etc/modprobe.d/alsa-base" and adding
snd-hda-intel model=mobile - Editing "/etc/modprobe.d/options" and adding
snd-hda-intel model=mobile - 6.reboot
