Basically it works fine for some time (usually 2-10 hours), but then the expected behavior breaks in many different ways:ġ. #1 and #2 case fans should change RPM depending on CPU temperature, and #3 depends on PCH temperature. I have 1 CPU fan and 3 PWM case fans (Noctua A14/A12). I did expect some problems when i was building this system (bleeding edge bios, etc), but i never thought there will be so much issues with such a basic functionality as temperature control. Visit laptop fan cleaning guidelines to learn how to clean your cooling fan, and you can also get a new CPU fan from the parts store.I'm using c6h wifi motherboard with 3700x CPU and currently experiencing a lot of problems with fan control / sensors on recent bios versions. You need to remove the old thermal grease from the CPU, GPU, and heatsink, then apply the new thermal grease to the CPU and GPU to improve thermal conductivity. If your “system cooling policy” has been changed to passive and you have not run large software, and the laptop fan constantly running all the time, you may need to clean the laptop fan because the fan and heat sink are dusty, and its heat dissipation performance is reduced.Īt this point, you will need to remove the bottom cover of the laptop, remove the laptop fan and heat sink, and use a brush to clean the dust on the fan and heatsink fins. Then the fan will run as needed instead of running all the time.Īlso Read: How to Clean a Laptop Fan and HeatsinkĪlso Read: How to Fix Laptop Fan Making Loud Noise Method 2. Click “processor power management”, and click “System cooling policy” in the drop-down menu, then click “Active”, change the “active” to “Passive”, and Click OK. Click “Change advanced power settings” in the pop-up window.Ĥ. Click “Change plan settings” in the pop-up window.ģ. Windows 10 : Go to Start > Settings > System > Power & Sleep > Additional power settingsĢ. Change system settingsīelow I take win10 as an example to set up a laptop power management plan to reduce cooling fan speed and noise.ġ. Here’s how to fix a laptop fan constantly running all the time.
However, if the laptop does not run any software at all, and your laptop fan is always on, that may be caused by the system setup. When the temperature of the laptop rises, the fan will start to rotate. A laptop fan is an important component of the laptop cooling system.
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