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4 Posts

10-02-2019

HR

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USB-C hub for C740?

2020-01-03, 21:12 PM

I need USB-c hub with power delivery, HDMI and one USB-a port. Everything else is a bonus but not very important.

I'd prefer detachable USB cable or at least 30cm cable since it will be used as dock fixed in place but that's not necessary.

 

I bought some random hub in the local store(https://www.hgshop.hr/usb-c-adapter-neon-hub-4k-usb-type-c-na-usb-3-0-hdmi-i-usb-type-c-s-mogucnoscu-punjenja-do-87w/proizvod/247081) but even tho it was rated at 87W PD it charged laptop at 5 to 7 W aka it didn't charge.

So now I'm stuck with using one port for charging and another for monitor/keyboard/mouse/ethernet/a ton of other stuff and I really want one cable solution.

 

Now I don't want to spend more money and hope for the best and then have one more hub to put in a drawer and never use again so I'm interested if anyone with c740(14") or someone from Lenovo knows which USB-c hub works with C740 and has PD/HDMI/USB-A?

 

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379 Posts

11-04-2019

PH

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Re: USB-C hub for C740?

2020-01-04, 14:47 PM

Hi ,

 

Unfortunately there is no docking station that was released for the C740 as shown on Lenovo's Parts and Accessories Guide and Dock Finder

 

Regards,

 

Jeremy



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0 Posts

01-17-2020

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Re: USB-C hub for C740?

2020-01-17, 18:33 PM

If anyone has tested the C740 with other USB-C hubs, I hope they will tell about it here, so that we can get some clues as to what might work.

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379 Posts

11-04-2019

PH

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  • Message 4 of 5

Re: USB-C hub for C740?

2020-01-18, 14:24 PM

Hi  and ,

 

Actually every month Lenovo releases newly compatible accesories and devices including Docking station in Accessories and Options Compatibility Matrix so it's a possiblity that it may have one available from lenovo. R&D from Lenovo looks or develops processes and method's on how to get a device compatible.

 

Let's keep our fingers crossed :)

Jeremy



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4 Posts

10-02-2019

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  • Message 5 of 5

Re:USB-C hub for C740?

2020-03-05, 13:40 PM

That hub i mentioned in first post didn't work then, but after plugging it in USB-c extension cable (UGreen usb-c .5m Thunderbolt extension) and then into laptop it was charging relatively fine. It's charging at only 30W, it might be due to extension cable(3A 60W max) or hub, but might also be because of laptop having 80% of battery when I started charging it, if it gets better I will update this post.

 

Before when I tried charging the laptop through that hub, the hub would be too hot to touch, now with extension it's relatively hot but not too much.

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