I did a fresh install with Precise Alpha 1 on a HP G5050 laptop that had had Ubuntu for 6+ years. Since the driver got broken in Karmic, I have used the fix described in comment #8. Now in Precise there is however no longer a line to comment out, so I added the line
I did a fresh install with Precise Alpha 1 on a HP G5050 laptop that had had Ubuntu for 6+ years. Since the driver got broken in Karmic, I have used the fix described in comment #8. Now in Precise there is however no longer a line to comment out, so I added the line
options snd-hda-intel power_save=0 power_save_ controller= N
to file /etc/modprobe. d/alsa- base.conf
and problem solved. Sound works fine and there are no snapping or cracking noises.