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58 Posts

11-19-2015

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Re: X1 Carbon 6th gen : Fan Noise

2018-05-17, 22:48 PM

Same problem here. High heat and fan noise. Brand new X1 6th gen.

 

Resolution: Opened a chat with Lenovo. They asked if I had updated the bios, etc. I confirmed I had used Lenovo Vantage and computer is completely up to date. They had no further questions, they are sending an overnight box for repair.

 

Background on this: I am migrating from an earlier X1 Carbon, I believe 4th generation. It doesn't get anywhere near as hot with identical load. Used them side-by-side as a test. Bought this new one only a few days ago at Costco and was considering returning/exchanging it, but it seems possible to me this is a bigger problem that would affect the new (exchanged) one as well. So, we'll see. I can return to Costco for 90 days. If they don't resolve the issue, I may do that.

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3 Posts

05-10-2018

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Re: X1 Carbon 6th gen : Fan Noise

2018-05-18, 0:59 AM

Yesterday, I finally had some time to really mess around with my X1C6 i7-8650U to figure out why it was running around 50C idle on Windows 10 with nothing running.

 

For me, the culprit for me was Windows Audio Device Graph Isolation.  It was consistently running between 2.5 and 5% CPU.  Searching it online did not really yield much besides uninstalling and reinstalling drivers.  I don't remember why or how I thought of it, but I checked Cortana settings and noticed that "Hey Cortana" was enabled.  When I disabled "Hey Cortana" my CPU temps improved dramatically. The CPU usage for WADGI disappeared.  My CPU temps are now around 40C idle. Battery time went from 2-3 hours at full charge to 10+ hours full charge.

 

Before I figured that out, I was also having issues with sleep mode when I closed the laptop lid.  For some reason, the CPU was running hot and the fan ran as well.  I ended up changing my Power Options to set it to hibernate when the lid is closed and haven't had any issues.  I should probably should try it again now that Hey Cortana is disabled.

 

TLDR; Check Task Manager for CPU usage; Disabled Cortana; Set Power Options when Lid is Closed to Hibernate.

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100 Posts

04-06-2018

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Re: X1 Carbon 6th gen : Fan Noise

2018-05-18, 1:06 AM
By disabling Cortana, do you meaning turning off all settings? I heard that Cortana can't be fully turned off unless you disable it through Registry Editor.
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3 Posts

05-10-2018

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Re: X1 Carbon 6th gen : Fan Noise

2018-05-18, 1:24 AM

Sorry, I should have been clearer.  I turned "Hey Cortana" off.  If your Windows Audio Device Graph Isolation usage is high, it might help you. Otherwise I don't know.

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4 Posts

03-26-2017

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Re: X1 Carbon 6th gen : Fan Noise

2018-05-20, 14:10 PM

This may be your solution: https://support.lenovo.com/us/en/solutions/ht506625

 

It fixed mine :)

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100 Posts

04-06-2018

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Re: X1 Carbon 6th gen : Fan Noise

2018-05-20, 15:43 PM
Thanks! I will try these commands out!
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218 Posts

04-24-2018

United Kingdom of Great Britain and Northern Ireland

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Re: X1 Carbon 6th gen : Fan Noise

2018-05-20, 16:25 PM

That would explain it very well. As I kept repeating, it is a software issue. If this was indeed the cause then it is very good news as it does not compromise the user's experience with under clocking, throttling etc.

 

Please let us know if it works for you.

Lenovo ThinkPad X1 Carbon (6th Gen), ASUS PG27UQ Quantum Dot UHD 4K HDR 144 Hz Monitor
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58 Posts

11-19-2015

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Re: X1 Carbon 6th gen : Fan Noise

2018-05-20, 16:30 PM

Excellent post. Thanks for this. I'd be very interested to learn of other users experiences. As I noted earlier, I opened a chat with Lenovo and they almost immediately offered to send me a FedEx box to mail to their techs for a fix. I don't have it back yet. What I wonder is: If they know this is a problem, then when someone registers their X1, why don't they immediately send an email with this information to the user? It seems as though they are only interested in responding if people complain.

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100 Posts

04-06-2018

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Re: X1 Carbon 6th gen : Fan Noise

2018-05-21, 0:21 AM

I tried the solution provided by jazzy01
It definitely works. My laptop is quiet when idle. I left my laptop on the whole day to test. I was able to get 8 hours on my i7, HDR display model on 'Better Battery' Mode. That's really good! 

Tried all modes. Results: Fans are DEAD silent on 'better battery' and 'best battery performance.' The fans occasionally turn on 'Best performance' but it's pretty quiet as well. These are all idle to running a few tabs on chrome.

 

EDIT: Once I test on AC power, I'll let you guys know

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58 Posts

11-19-2015

United States of America

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Re: X1 Carbon 6th gen : Fan Noise

2018-05-21, 0:25 AM

Thanks for the report. I wonder if it is also less hot?

 

That said, the notice starts by stating that this is a problem mostly when the laptop is plugged in. The problems I had were when plugged in.

 

"Users may notice excessive fan noise on ThinkPad computers with Intel 8th-generation core processors, when the ThinkPad is connected to AC power.  The fan noise is reduced when the ThinkPad is unplugged from AC power."

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