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ThinkPad NotebooksThinkPad: T400 / T500 and newer T series Laptops
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7 Posts

07-29-2017

CA

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  • Posts: 7
  • Registered: ‎07-29-2017
  • Location: CA
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  • Message 1 of 2

T470 cannot charge by USB-C (Thunderbolt 3 port)

2020-03-17, 1:48 AM

Hello,

 

My T470 was charged alright by the USB-C port until a week ago. I've read online that Thinkpads have issues with TB3 firmware causing various TB3 related functional issues.

 

https://www.cnet.com/news/is-your-thinkpads-usb-c-port-not-working-upgrade-its-firmware/

 

https://support.lenovo.com/us/en/solutions/ht508988

 

Step 1: install TB3 software (driver) - OK

Step 2: install TB3 firmware - error, the following message:

 

 

 

In the same time, I don't find the TB3 Controller in the Windows Device Manager either. 

 

BIOS - TB3 is enabled with no security requirements.

 

Any ideas? I called the Thinkpad tech support and they refuse to help since I'm out of warranty.

 

Thank you,

Will

 

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1 Posts

03-19-2020

FR

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  • Posts: 1
  • Registered: ‎03-19-2020
  • Location: FR
  • Views: 10
  • Message 2 of 2

T470 cannot charge by USB-C (Thunderbolt 3 port)

2020-03-19, 21:20 PM
Same problem here ! Please help !
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