Your Dell computer may contain several fans to keep the internal components cool: Lint and dust accumulation prevents air from flowing around the cooling fins and causes the fan to work harder. It is important to keep dust from accumulating in your computer and ensure adequate ventilation to help reduce heat. If you notice the computer fan running constantly and making an abnormal or loud noise, this might indicate that the computer is not running as efficiently as possible, and/or clogged air vents. Excessive heat can also cause a significant decrease in performance as most processors automatically reduce the speed of the processor to help compensate for heat-related problems. Sleep doesn’t work and function keys brightness takes about 30 seconds to apply unless you renable fan control and then set the fan speed to 0.Īll work that has gone into making fan control work was entirely reverse engineered with no help from dell.Blocked air vents can cause serious performance issues by restricting airflow, this can cause the processor, system memory (RAM), and other hardware to overheat which may lead to a potential hardware failure. Without that the fan will ramp up and then go back to the bios speed. On linux you must find a tool that lets you disable bios fan control for it work. The bios is able to smoothly ramp up the fan speed. Speedfan works well enough on windows, and there is a driver for i8k on linux so fan control is possible, but there is only three speeds. It just has five options for poorly described curves (they don’t have any info about what temperature they are targeting and when they will ramp up.) It appears that dell does make something for their newer ones called Dell Power Manager, but this still doesn’t let you set fan curves or just manually control fan curves. There is no support from dell for fan control on their laptops.
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