It may be worth checking whether there's an option to enable Cool 'n Quiet in the BIOS. Such an option may have been disabled after a BIOS upgrade.
This is discussed here for a different motherboard with similar symptoms: http://ubuntuforums.org/showthread.php?p=7636364 -- BIOS does not provide ACPI _PSS objects in a way that Linux understands, Foxconn A7GM-S 2.0 https://bugs.launchpad.net/bugs/363868 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs