Legion Fan Control
LegionFanControl v2 - Now Available
LegionFanControl v2 is a complete rework of LegionFanControl from the ground-up.
v2 includes a brand new UI and custom user fan curves for full live manual control over Lenovo Legion laptop fans. Users can set fan speeds and temperature points that activate immediately in real time.
LegionFanControl is completely free with no ads.
Features
Full real custom Fan Curves!
• Create a custom fan curve for each Power Mode
• Decide the temperature points when the fan speeds will change
• Decide what the fan speeds should be at each temperature point
• The maximum allowed Fan Speed in the curve is dynamically determined based on Lenovo recommendations for your model
• Stock Fan Curve settings are restored on exiting the application
Switch Legion Power Modes
Will also switch corresponding Windows Power Plans if they existWindows Power Plan Control
Choose whether switching the Legion Power Mode will also switch the corresponding Windows Power Plans if it exists. Some users may want to disable this behaviour if they use other tools to manage their Windows Power Plan switching eventsTurbo Mode
Removes laptop control of the fans so they run at their factory maximum speeds. Only available in Discrete Graphics Mode (Hybrid Off).Hysteresis
Determines how often LegionFanControl should check the current temperature before deciding to change fan speed or not. Accepted values are 0-9. Values represent a few seconds each, where 0 is the fastest and 9 is the slowest.Read the current Fan Speed
Now in RPM valuesFan acceleration speed
Determines how quickly the fans accelerate or decelerate when it is time to change fan speeds. Accepted values are 2-7, where 2 is the fastest and 7 is the slowest.
This feature is only available on 2021 and 2022 models.Save custom fan curves and user settings
Settings are auto-loaded at launchLaunch at Start-up
LegionFanControl can optionally automatically launch when you log in to WindowsStart minimised
LegionFanControl can optionally start minimised when launched
Known Compatible Models
Approximate Year: 2020
BIOS: EUCN
Model Nickname: 5 Series AMD
Full Model Names: Legion 5 15ARH05/Lenovo Legion 5 15ARH05HApproximate Year: 2020
BIOS: EFCN
Model Nickname: 5 Series Intel
Full Model Names: Lenovo Legion 5 15IMH05S/Legion 5 15IMH05H/Legion 5 15IMH05/Legion 5P 15IMH05S/Legion 5P 15IMH05H/Legion 5P 15IMH05/Legion 5 17IMH05S/Legion 5 17IMH05H/Legion 5 17IMH05/Legion Y7000 2020H/Legion Y7000 2020/Legion Y7000P2020H/Legion Y7000P2020Approximate Year: 2020
BIOS: FSCN
Model Nickname: 5 Pro Series
Full Model Names: Lenovo Legion 5-17ARH05H/ Legion 5-5P-15ARH05HApproximate Year: 2021
BIOS: HHCN
Model Nickname: 5, 5 Pro Series AMD 3050
Full Model Names: Lenovo Legion 5 15ACH6/R70002021/R7000P2021/5 17ACH6/5 Pro 16ACH6/R9000P2021Approximate Year: 2021
BIOS: GKCN
Model Nickname: 5, 5 pro, 7 Series AMD
Full Model Names: Lenovo Legion 5 15ACH6H/R70002021H/Lenovo Legion R7000P2021H/5 15ACH6H/5 17ACH6H/5 Pro 16ACH6H/R9000P2021H/7 16ACHg6/7 16ACHg6 1/R9000K2021HApproximate Year: 2021
BIOS: H1CN
Model Nickname: 5, 5 pro, 7 Series Intel
Full Model Names: Legion 5 15ITH6/Legion Y70002021/Legion Y7000P2021/Legion 5 17ITH6/Legion 5 Pro 16ITH6/Legion Y9000P2021/Legion 5 15ITH6H/Legion Y70002021H/Legion Y7000P2021H/Legion 5 17ITH6H/Legion 5 Pro 16ITH6H/Legion Y9000P2021H/Legion 7 16ITHg6/Legion Y9000K2021HApproximate Year: 2022
BIOS: J2CN
Model Nickname: 5, 5 Pro Series Intel
Full Model Names: Legion 5 15IAH7H/Lenovo Legion 5 15IAH7H/Legion Y7000 IAH7H/Legion Y7000P IAH7H/Legion 5 15IAH7/Lenovo Legion 5 15IAH7/Legion Y7000 IAH7H/Legion Y7000P IAH7H/Legion 5 Pro 16IAH7H/Lenovo Legion 5 Pro 16IAH7H/Legion Y9000P IAH7H/Legion 5 Pro 16IAH7/Lenovo Legion 5 Pro 16IAH7/Legion Y9000P IAH7
Known Incompatible Models
All 2018 models
All 2019 models
Approximate Year: 2020
BIOS: E9CN
Model Nickname: 7 Series / Creator 7
Full Model Names: Lenovo Legion 7 15IMH05 / 15IMHg05 / Lenovo Legion Y9000K 2020 / Lenovo Legion Y9000K2020H / Lenovo Legion C7 15IMH05Approximate Year: 2021
BIOS: HACN
Model Nickname: Slim 7
Full Model Names: Legion S7 15ACH6 / Lenovo Legion R9000X2021RApproximate Year: 2021
BIOS: H3CN
Model Nickname: IdeaPad Gaming 3
Full Model Names: Lenovo IdeaPad Gaming 3 15ACH6 / 15ACH6D
Other Models
LegionFanControl will automatically discover if your laptop is compatible at launch.
Support
LegionFanControl is provided as-is without support, however you can chat with other LegionFanControl users on the Unofficial Lenovo Legion Community Discord
Disclaimer
LegionFanControl is provided "as is" without any warranty. Use of LegionFanControl is at the end-user's own risk.
The developer will not be held responsible for any damage caused as a result of installing or using this software.
LegionFanControl is not affiliated with Lenovo in any way.