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8 Posts

11-16-2019

United States of America

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  • Message 11 of 18

Re: Ideapad s740 charging via thunderbolt 3

2019-11-18, 19:13 PM

Thanks for your help man! I just ordered Thinkplus on Amazon. I'll update the information in the future.

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433 Posts

11-04-2019

United States of America

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  • Message 12 of 18

Re: Ideapad s740 charging via thunderbolt 3

2019-11-18, 19:13 PM

 

 

Hi huhanhai,

 

Thank you for confirming the manufacturer's details, yes this will support your S740.

 

 

 

Dondon_Lenovo.

Regards.
Dondon_Lenovo.




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8 Posts

11-16-2019

United States of America

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  • Message 13 of 18

Re: Ideapad s740 charging via thunderbolt 3

2019-11-21, 2:35 AM

Hi DonDon,

 

    I tested anker 60w type-c charger, it doesn't work with Ideapad S740. I know P1 Gen2 does support thunderbolt 3 charging, maybe Lenovo block this function in S740? Maybe? Also, I found someone online says S740 doesn't support thunderbolt 3 charging. If the charging function is blocked, is there anyway to unlock it?

 

 

Best,

Huhanhai

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Re: Ideapad s740 charging via thunderbolt 3

2019-11-21, 13:01 PM

The port has to support it, but it apparently doesn't. Otherwise it would be mentioned in the Product Specification Reference, and it isn't listed there. Thunderbolt doesn't automatically mean Power Delivery, either.

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0 Posts

01-21-2020

United States of America

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  • Message 15 of 18

Re: Ideapad s740 charging via thunderbolt 3

2020-01-21, 17:55 PM

Has this been resolved. I have a Ideapad S740 for the same issue. I bought the Lenovo Branded PowerBank, and had the same issue, it won't charge from the dedicated port on the left or the Thunderbolt ports. Does anyone know why? 

 

 

 

Regards,

 

Frederic 

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433 Posts

11-04-2019

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  • Message 16 of 18

Re: Ideapad s740 charging via thunderbolt 3

2020-01-21, 19:15 PM

 

 

Hi everyone. 

 

 

I ran across this forum post the Community Forums, it's has similar issue with a proposed solution, i hope this help's.

 

https://forums.lenovo.com/t5/ThinkPad-X-Series-Laptops/Thunderbolt-3-dock-will-not-charge-X1-Carbon-5th-Gen/m-p/3716255#M77732.

 

https://forums.lenovo.com/t5/Lenovo-IdeaPad-1xx-3xx-5xx-7xx/USB-C-port-as-Thunderbolt-port/td-p/4145819.

 

https://forums.lenovo.com/t5/Lenovo-IdeaPad-1xx-3xx-5xx-7xx/Ideapad-720s-Charge-via-Thunderbolt/td-p/4468417.

 

https://forums.lenovo.com/t5/Lenovo-IdeaPad-1xx-3xx-5xx-7xx/IdeaPad-320-15IKB-charging-via-USB-Type-C/td-p/3883011.

 

 

Regards.
Dondon_Lenovo.




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0 Posts

01-21-2020

United States of America

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  • Message 17 of 18

Re: Ideapad s740 charging via thunderbolt 3

2020-01-22, 1:20 AM

Thanks Dondon, 

 

 

 

I see what you have posted and read through them. My challenge is that I still can not find a charger that works. My wife has a Lenovo 65Watt USB C Charger that I tired on my S740, ( Both C ports ) and nothing. I am unsure what I am missing on this, as to why I can't get this laptop to charge on any of the ports on the right side of it. 

 

 

I am wondering if there is a firmware issue that is unknown, or not enough people are trying to charge it outside of the stanard power adapter that it comes with. 

 

 

Hoping someone can figure this out!

 

 

Best,

 

F

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1 Posts

01-09-2021

Portugal

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  • Message 18 of 18

Re:Ideapad s740 charging via thunderbolt 3

2021-01-09, 17:22 PM

I believe you will need a much more powerful USB-C charger. Your Mac charger is probably 30W or 60W... and that´s massively lower than the 135W required for this laptop.
Normally, in a similar situation, your laptop would charge slower or just be able to maintain the same battery level. In this case, with such a big difference in power, I believe your laptop won´t even recognize the charger. But I might be wrong there, I´m not sure if that´s the issue. Either way, try with a 135W charger or something close to that level of power. I´d say 100W at least. regards

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