Proper dynamic power management for your Radeon HD 4670 was introduced
in the 3.11 kernel (when used in conjunction with the appropriate
updated firmware files), which reduces temperature and fan noise.
Ubuntu 14.04 "Trusty Tahr" is based on the 3.13 kernel and includes the
necessary firmware files
Bob Merhebi, as per
http://www.dell.com/support/drivers/us/en/19/DriverDetails?driverId=R301708&fileId=2731109636
an update is available for your BIOS (A15). If you update to this
following https://help.ubuntu.com/community/BiosUpdate , does it change
anything?
If not, could you please both specif
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