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Dell 7720 17r fan speed control

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Hi folks. I want to change a temperature profile (Like ones that people make on MSI's in RW-Everything) for my Dell 7720, because fan noise in idle is driving me crazy. I've found only one tool to control fans in this laptop - SpeedFan, but using this causes shuttering.

In speedfan SMbus is called "DELL at $3E8 msg : Tested fans : 0 1 2 3 4 5 6". Is it possible to make a profile in "RW-Everything" or is there an easier solution for my problem?

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I tried SpeedFan, but the fan doesn't show up. Is it 7720 or 7720se?

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Can I install a more powerfull fan for the 7720 SE or an extra fan somewhere? Can anybody tell me what are my options?

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I also tried SpeedFan and it does not work. I think i'm having a problem with a temperature sensor on the motherboard.In everest, whenever the temperature changes, the whole laptop freezes for a second

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Im also interested in manipulating the fan in the 7720, one minute its going wild the next minute its dead silent, it could do with spinning up a little more often.

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