Summary
After the latest update, some Acer BiFrost* cards are presenting unstable fan speeds.
Description
After updating the driver to version 31.0.101.4644 and getting the firmware updated to version 20.1064.0, some Acer BiFrost* A770 graphics cards are presenting an unstable behavior in the fan speed while idling, where the speed ramps up and down.
Resolution
A fix for this issue was included in driver 31.0.101.4824. Download and install this or a newer driver.