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JarEXE
What's DOS?
Posts: 2
Registered: ‎07-14-2019
Location: SR
Views: 2,268
Message 31 of 216

Re: Bring back fan control to the Legion Y740

Man how I wish I had come across this post before doing my bios update today.. Fan control completely gone from Nerve Center and fn + Q command no longer let's me keep fans running at max speed while gaming. 

 

On top of that I recently had the issue where they rolled out the 15inch keyboard lighting firmware instead of the correct firmware for my 17inch Y740, completely messing up the backlights. 

I had to find the old firmware and revert to that in order to fix this issue. 

 

But up till now it seems this fan control issue persists, and I am definitely seeing the effects of it while gaming. 

stupidgame67
What's DOS?
Posts: 2
Registered: ‎07-18-2019
Location: US
Views: 2,153
Message 32 of 216

Re: Bring back fan control to the Legion Y740

 
stupidgame67
What's DOS?
Posts: 2
Registered: ‎07-18-2019
Location: US
Views: 2,150
Message 33 of 216

Re: Bring back fan control to the Legion Y740

If I buy a new model, and just backflash it I should be alright?
codeHusky
Serial Port
Posts: 24
Registered: ‎06-29-2019
Location: US
Views: 2,143
Message 34 of 216

Re: Bring back fan control to the Legion Y740

Yeah, you should be!
Nod_loyalist
Fanfold Paper
Posts: 1
Registered: ‎07-20-2019
Location: LV
Views: 1,971
Message 35 of 216

Re: Bring back fan control to the Legion Y740

90-95 while gaming. No fan control option, no fan speed monitoring option, just 3 thermal modes in Lenovo Vantage, but they do not change the fan speed, just increase or decrease power. Waiting for new BIOS version.

video about this problem

forevertheuni
Fanfold Paper
Posts: 19
Registered: ‎07-27-2019
Location: US
Views: 1,896
Message 36 of 216

Re: Bring back fan control to the Legion Y740

I am here with a new Y540. And it gets very very hot very quickly (on linux there's no way to control the fans even with the thinkpad_acpi module).

 

Is Lenovo doing something about this?

NeoGeo999
SCSI Port
Posts: 27
Registered: ‎04-07-2019
Location: IT
Views: 1,878
Message 37 of 216

Re: Bring back fan control to the Legion Y740

After the last update with the thermal mode on performance my CPU thermal throttle during the gaming, before the update using the Fn+Q function I rarely reached 85 degrees on CPU.
Please restore the old Fn+Q mode or allow users to create custom fan profiles

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cytuning
What's DOS?
Posts: 1
Registered: ‎07-31-2019
Location: US
Views: 1,713
Message 38 of 216

Re: Bring back fan control to the Legion Y740

Please bring back the option for MAX fans please as i had to undervolt to get reasonable temps 

forevertheuni
Fanfold Paper
Posts: 19
Registered: ‎07-27-2019
Location: US
Views: 1,438
Message 39 of 216

Re: Bring back fan control to the Legion Y740

Okay everyone. I contacted lenovo live assistance and they say they were not aware of the issue. I think we should all go to the contact ways to contact lenovo about this is we want it fixed.

SMG1170
Paper Tape
Posts: 2
Registered: ‎08-06-2019
Location: US
Views: 1,400
Message 40 of 216

Re: Bring back fan control to the Legion Y740

PLEASE listen to your cusotmers and users. I bought the Y740 specificly becaue it had the ability to push itself to 100%.  Please for the love of god bring it back. My temps went straight to over 95 becaue of your new fan curve. 

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