Ok, so Dell updated the Bios recently for my Dell Inspiron 7570 and once again the Fan is on when the power is plugged in. Image below in attachment of Settings to change and when I do need the extra CPU processor Power over a longer period of time, I just switch back to ActiveĮdit: a an update, this method for reducing fan noise seems to work well, CPU still goes to 100% when it needs to, but seems to use the CPU more gently over a slightly longer time period to avoid generating extra heat so fan is ticking over at low revs etc. but as said above, not suitable for gaming etc.

This has effect of slowing CPU down before it needs to increases Fan Speed. Select System Cooling Policy > Plugged In and change from Active to Passive.Right Click BTTM right of screen Power Icon and select Power Options.all to no real effect.įor myself, usage of the laptop lightly, the following option worked for myself (not for gamers and heavy usage) but for general streaming and the occasion outlook/forum work, this kept the fan under under control and CPU and GPU seemed to not lag to much.

I have tried a few option to resolve my Dell Laptop loud fan noise, like changing power options from Dell to Balanced, also tried various Bios updates and power options within BIOS, cleaning air vents etc. I only have one annoyance and that is when the laptop is plugged in, the Fan is working at 100 % and can be very noisy, when power is unplugged from laptop and it is running on batteries, fan slows down and is a quite beast again. Ok, So I have the Dell Inspiron 7570 (i7) and a great laptop it is.

How to control fan speed on dell laptop