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4 Posts

08-23-2018

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X1 Carbon 6th losts Thunderbolt 3 controller 15D2 for every overnight restart

2018-08-29, 0:55 AM

Hi, My X1 Carbon model number is 20KHCTO1WW

 

I have an external monitor connected through HDMI port on the left side.

 

Upon the first power up every morning, their is a very large chance that the external monitor does not light up because their is no thunderbolt 3 controller 15D2 in the list of System Devices.


To make it work again, I have to shut down X1, unplug the power cord and press reset on the bottom with a paper clip. Then the thunderbolt 3 controller 15D2 shows up in System Devices and of course, the external monitor lights up.

 

I think I have the current update installed:

 

BIOS: Ver 1.27

Graphics driver: V.24.20.100.6168

Thunderbolt 3 firmware: V 1.0.10.0-N23TF12W

Thunderbolt 3 software: V17.4.74.400

 

thanks.

 

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4 Posts

08-23-2018

US

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Re: X1 Carbon 6th losts Thunderbolt 3 controller 15D2 for every overnight restart

2018-09-03, 3:09 AM
Any ideas?
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2 Posts

12-08-2018

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Re: X1 Carbon 6th losts Thunderbolt 3 controller 15D2 for every overnight restart

2018-12-08, 4:03 AM

Hi,

  Did you solve this problem? I'm having the same problem.

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4 Posts

08-23-2018

US

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  • Posts: 4
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  • Message 4 of 6

Re: X1 Carbon 6th losts Thunderbolt 3 controller 15D2 for every overnight restart

2018-12-13, 4:14 AM

I updated all firmware and software. Now it happens every few days, randomly. But at least not everyday.

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2 Posts

12-08-2018

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Re: X1 Carbon 6th losts Thunderbolt 3 controller 15D2 for every overnight restart

2018-12-13, 4:47 AM

I disabled the Windows 10 fast startup in the power settings and it fixed for me. Hopefully it will help you.

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4 Posts

08-23-2018

US

13 Signins

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  • Posts: 4
  • Registered: ‎08-23-2018
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  • Views: 121
  • Message 6 of 6

Re: X1 Carbon 6th losts Thunderbolt 3 controller 15D2 for every overnight restart

2018-12-13, 4:50 AM

Good to know. Will try. Thanks!

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