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4 Posts

08-02-2017

Estonia

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Re: Lenovo X270 noisy fan

2017-08-03, 20:17 PM

So did another test.

 

First picture is complete idle computer on battery.

Second picture is where I opened Edge and youtube. Just after 5 minutes, the temp and clock speed go up and fan turns full speed.

 

Tried to turn down Intel SpeedStep in BIOS, but had no effect. Set it to Battery Optimized, but the clock speed still jumps around. Even when I surf the web, the clock speed periodically jumps to 3490MHz. 

 

 

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12 Posts

02-12-2015

Denmark

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Re: Lenovo X270 noisy fan

2017-08-07, 14:06 PM

When my computer is in the docking station at my desk, this is the lowes temperature...

The cpu is idling arround 5% but the temp is never lower than 50degrees.

and as soon i start a program it never comes under 60-70degrees..

and the fan is very noicy :-(

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22 Posts

05-04-2017

Switzerland

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Re: Lenovo X270 noisy fan

2017-08-08, 16:28 PM


Please find my printscreen. I hardly saw my laptop going under 51°C

 

Thanks

Guillo1

 

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6 Posts

08-01-2017

Hungary

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Re: Lenovo X270 noisy fan

2017-08-08, 17:29 PM

I would also take screenshots on the CPU temperature but it's not possible without Windows admin rights :smileysad:

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6647 Posts

10-29-2009

New Caledonia

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  • Message 35 of 85

Re: Lenovo X270 noisy fan

2017-08-09, 19:20 PM

All,

 

We are still closely following this thread and discussing within Lenovo.  We are working on a trial version of EC firmware which will lower the fan speed and/or keep it running at the lower speed over a wider range of temperatures.  I hope to have something I can share with you soon.

 

However, from reading some of the comments it seems you want silent machine while keeping low temperatures, and the only way I know to do that is to change your power settings.  In below screenshot, I start Edge browser, go to YouTube, and start watching some video.  And you can see this causes a momentary CPU frequency and temperature spike.  This is why fan starts running.  We cannot avoid running the fan at 79C.

 

 

In the next screenshot, I do exactly the same things but you can see the CPU frequency and temperature spike is much less.  And we may be able to avoid running the fan at 50C.

 

 

The only difference between these 2 screenshots is the max CPU frequency which is controlled in the power plan:  Control Panel -> Hardware and Sound -> Power Options -> Change Plan Settings -> Change Advanced Power Settings -> Processor Power Management -> Maximum Processor Frequency.  I set the max frequency to match my CPU's rated speed as shown in Task Manager.

 

 

This may not be a change you want to make in your "High Performance" power plan, but consider it for your "Balanced" power plan which you can use for tasks such as internet browsing and watching videos, when you want quietest machine possible.

 

We really appreciate everyone's feedback in this thread.

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10 Posts

06-19-2017

Germany

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  • Message 36 of 85

Re: Lenovo X270 noisy fan

2017-08-09, 19:55 PM

@

 

Thanks for the update....

 

Of course I can understand the argument with the 79°C for the fan. I also understand that the fan is necessary if there is load on the CPU....

 

But in my case the fan is not switching of if there is no load on the CPU and the temperature is also not going below 50°C in my case if the CPU is idle. I really have to say that I haven’t seen an effect like this in a notebook before.

 

My "daily notebook" is an HP EliteBook with a similar processor compared with the one in my X270. Up to now I never took a note of the fan in the HP computer....and I’m running software for analyzing scientific and technical data on this computer from time to time.... On the other hand I have now the X270....fan required to run Wordpad.... Cool!

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6 Posts

08-01-2017

Hungary

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Re: Lenovo X270 noisy fan

2017-08-09, 22:07 PM

Hi someotherguy,

 

"However, from reading some of the comments it seems you want silent machine while keeping low temperatures, and the only way I know to do that is to change your power settings." Yes, we want a silent machine while keeping low temperatures at least when CPU is idle. Is it a big expectation for a high-end business laptop? Hope not.

 

My X270's power plan has been set to "Balanced" by default. After I got the laptop two weeks ago and realised that it sounded like a jet, I immediately set the "System cooling policy" to "Passive" for both conditions but it has not become more silent at all. Anyway, I do not have the "Maximum processor frequency" option in Power Options. Why not?

 

 

Regards,

Ákos

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5 Posts

05-23-2017

United States of America

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  • Message 38 of 85

Re: Lenovo X270 noisy fan

2017-08-11, 18:38 PM

I found this thread though I am on an X1 Carbon 2017. I took the advice to lower the max cpu in Power Options. I'm using Windows 10 Insider Preview, where it allows the user to set the percentage max rather than frequency. I lowered the battery max to 90% and ac max to 95% and have immediately noticed the situation is better. I loaded up whatsapp and slack together, which usually cause my fan to go wild, but nothing happened this time. I also changed the power management for the ac from max performance to balanced in my bios right before I made this change to max percentage, so I'm not sure which is helping.

 

 

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6 Posts

08-01-2017

Hungary

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Re: Lenovo X270 noisy fan

2017-08-22, 9:03 AM

Hi All,

 

Any news on this topic?

 

Have a nice day,

Ákos

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12 Posts

02-12-2015

Denmark

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  • Message 40 of 85

Re: Lenovo X270 noisy fan

2017-08-25, 6:14 AM

Hi Lenovo

 

Is there any news in this matter?

 

If you are interested, i would like to partisipate in tests or remote session, so we can solve this problem.

My workday is wery annoid by the noice from my x270 :-(

 

Regards

/Graves

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