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5 Posts

05-22-2019

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T490s not recognizing ThinkPad Thunderbolt 3 Dock Gen 2

2019-05-22, 15:48 PM

Hi, I have a user with a T490s and a new ThinkPad Thunderbolt 3 Dock Gen 2.  The T490s does not seem to recognize that the dock is plugged in.  It is working as a "charger" but on reboot, it gives "The connected AC charger has a lower wattage...." error.

 

I installed the dock driver from this page:  https://support.lenovo.com/us/en/downloads/DS505148

 

I updated the BIOS on the T490s and all other software is up to date.  

 

I'm using the thunderbolt port but have also tried to use the USB C charge port.

 

From what I understand, the power light should change to white when the T490s and dock are connected.

 

Any ideas on what to do?

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1893 Posts

08-02-2018

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Re: T490s not recognizing ThinkPad Thunderbolt 3 Dock Gen 2

2019-05-22, 22:34 PM

Hi ChicagoBud! The ThinkPad Thunderbolt 3 Dock Gen 2 is not compatible with Thinkpad 490s. You can refer to this link: https://support.lenovo.com/us/en/solutions/pd500265.



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