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218 Posts

04-24-2018

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Re: X1 Carbon 6th gen : Fan Noise

2018-06-28, 6:07 AM

 wrote:

 wrote:

Might have found the smoking gun (certainly something to consider)

 

The process WMI Provider Host is the only one that keeps consuming high CPU on my machine. Why does this happen? I've found this guide and traced it to the Thunderbolt(TM) Service. After I disabled this, the problem seems to go away.

 

http://bit.ly/2twNIVq

 

Give this a go. Btw, the same method mentioned in the link above can be used to identify other processes / services that may be causing the issue with WMI Provide Host consuming high CPU %.


BrianSu, u using the tbt3 docking or what that causes this?


No I’m not using either of the TB3 ports at all. If the Thunderbolt Service is running, the WMI Provider Host will consume high CPU every now and then and those errors would appear in the Event Log. It’s the Service that causes the issue.

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

03-21-2018

United States of America

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Re: X1 Carbon 6th gen : Fan Noise

2018-07-05, 18:41 PM

 wrote:

 wrote:
Since I have 5 units with me now, I just used Microsoft media creation tool reinstalled windows 10 on one of them. Most of the time, CPU idles under 2 GHz and the temp is under 50 degrees while plugged in. This is not as good as Arjov experienced, but it is a much better improvement than before. I will reinstall wins 10 for the unit i will keep now.


My tems may be better because I reapplied a better thermal paste and tweaked the CPU voltages a bit. 50°C are way more acceptable Temps BTW. Happy that reinstalling Win worked. Hope you'll enjoy your x1 more now. ^^


May I ask which brand of thermal paste you are using for your laptop. I bought the Thermal Grizzly Kryonaut Thermal Grease Paste  and a Lenovo technician helped me to apply it on both cpu and gpu two weeks ago. (Btw, when we open it, there is no thermal paste on my GPU at all) The temp seems to stay the same and doesn't change at all. 

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50 Posts

04-02-2018

Italy

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Re: X1 Carbon 6th gen : Fan Noise

2018-07-05, 19:58 PM

 wrote:

 wrote:

 wrote:
Since I have 5 units with me now, I just used Microsoft media creation tool reinstalled windows 10 on one of them. Most of the time, CPU idles under 2 GHz and the temp is under 50 degrees while plugged in. This is not as good as Arjov experienced, but it is a much better improvement than before. I will reinstall wins 10 for the unit i will keep now.


My tems may be better because I reapplied a better thermal paste and tweaked the CPU voltages a bit. 50°C are way more acceptable Temps BTW. Happy that reinstalling Win worked. Hope you'll enjoy your x1 more now. ^^


May I ask which brand of thermal paste you are using for your laptop. I bought the Thermal Grizzly Kryonaut Thermal Grease Paste  and a Lenovo technician helped me to apply it on both cpu and gpu two weeks ago. (Btw, when we open it, there is no thermal paste on my GPU at all) The temp seems to stay the same and doesn't change at all. 


Both CPU and GPU are in the bigger die. The smaller die is the chipset, it doesn't need any thermal paste. Iuse the kryonaut too.


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4308 Posts

11-18-2012

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Re: X1 Carbon 6th gen : Fan Noise

2018-07-05, 19:53 PM
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218 Posts

04-24-2018

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Re: X1 Carbon 6th gen : Fan Noise

2018-07-06, 21:51 PM

why not conductonaut?? :smileyvery-happy:

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

04-02-2018

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Re: X1 Carbon 6th gen : Fan Noise

2018-07-06, 22:53 PM

 wrote:

why not conductonaut?? :I -happy:

 

 

 

 

 

 

Because the limit is not the interface but the cooler itself. Without even speaking about how I find risky using liquid metal in a portable pc


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48 Posts

03-21-2018

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Re: X1 Carbon 6th gen : Fan Noise

2018-07-07, 4:10 AM

 wrote:

 wrote:

 wrote:

 wrote:
Since I have 5 units with me now, I just used Microsoft media creation tool reinstalled windows 10 on one of them. Most of the time, CPU idles under 2 GHz and the temp is under 50 degrees while plugged in. This is not as good as Arjov experienced, but it is a much better improvement than before. I will reinstall wins 10 for the unit i will keep now.


My tems may be better because I reapplied a better thermal paste and tweaked the CPU voltages a bit. 50°C are way more acceptable Temps BTW. Happy that reinstalling Win worked. Hope you'll enjoy your x1 more now. ^^


May I ask which brand of thermal paste you are using for your laptop. I bought the Thermal Grizzly Kryonaut Thermal Grease Paste  and a Lenovo technician helped me to apply it on both cpu and gpu two weeks ago. (Btw, when we open it, there is no thermal paste on my GPU at all) The temp seems to stay the same and doesn't change at all. 


Both CPU and GPU are in the bigger die. The smaller die is the chipset, it doesn't need any thermal paste. Iuse the kryonaut too.



Oh... I wasn't aware of that. Should I remove it from the smaller die then? 

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48 Posts

03-21-2018

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Re: X1 Carbon 6th gen : Fan Noise

2018-07-07, 4:14 AM

I was amazed by how small it is when I saw the technician removed the fan. Given the size of the cup and the gpu, I think it is indeed to risky to use liquid metal. I was actually thinking about Innovation Cooling Graphite Thermal Pad, but again the cpu and gpu are just too small for it.

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100 Posts

04-06-2018

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Re: X1 Carbon 6th gen : Fan Noise

2018-07-09, 13:41 PM
I think to sum of my 4-month experience so far with the X1 Carbon:"everything is great (keyboard, performance, display, etc.) but the thermals. I guess this is from a small fan and one heat pipe?
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23 Posts

10-11-2016

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Re: X1 Carbon 6th gen : Fan Noise

2018-07-17, 14:46 PM

Just to add my experiences to this.  X1G6 - running Win 10 1709 - Custom corporate Build at Lenovo Factory using ADS.    Receiving complaints from users when plugged in of the fan constantly running.  Machines are running absolute latest drivers and 1.25 firmware.  

 

I've run the powershell scripts, no difference.   The only thing that makes a difference is that if we kick the Maximum Processor State from 100% to 90%, then the problem goes away, but we're also pretty much **bleep**izing the machine at that point (if you wath the CPU speed in Perf Mon, it never goes over 1.9Ghz when at 90%, but if we kick it back to 100% it will go upwards of 4GHz.   

 

 

The fan is an issue whether plugged into the Thunderbolt 3 Dock, or just an AC adapter.   There is no fan noise at all when not plugged in/running on battery.

 

I'm hopeful that it's a driver issue that will fix it as others have suggested

 

 

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