On Friday 14 December 2007 14:58:54 you wrote: > Thanks for getting back to me Carlos. Re-adding linux-acpi to CC. > Acer Aspire 7520-5971 > System BIOS Version = V1.09 (phoenix) This is not an ACPI problem, it's an ALSA problem. http://ubuntuforums.org/showthread.php?t=545401 See the third entry ("Aspire 5720ZG, also: Aspire 7520G TV") which should cover the Aspire 7520 and what you need to do to get the sound working on *buntu. -Carlos -- E-Mail: carlos@xxxxxxxxxxxxxxxxxxx Web: strangeworlds.co.uk GPG Key ID: 0x23EE722D - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html