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4 Posts

04-12-2021

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usb-c port not sending video signal

2021-04-12, 23:48 PM

I have Lenovo Idea-Pad Flex 14IML,  81XG,  19/12/27 build

I'm trying to connect a USB-C Display dock with the USB-C output port. The monitor does not pick up a video signal when connected to the dock. It works if I plug HDMI cable directly from laptop to monitor.

I am using  VisionTek VT2000 USC-C Display Dock.

First question: does the USB-C port support video or just data?

Thanks in advance for any help

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1844 Posts

01-08-2021

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Re:usb-c port not sending video signal

2021-04-13, 13:33 PM

Hello mariettasquare,

 

Welcome to the Community Forums.

 

Checking on the product specification sheet and with the user manual (page 3), it shows that the USB C port of your model functions as:

 

USB-C™ connector:
- Charges USB-C compatible devices with the output voltage and current of 5 V
and 3 A.
- Transfers data at USB 3.1 speed, up to 5 Gbps.

 

The HDMI port of your machine is already the main port responsible in projecting external displays and the USB C port is for peripheral devices. A USB C port can have a feature of extending displays if it is identified as Thunderbolt.

 

Regards.
Dex_Lenovo



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4 Posts

04-14-2021

Russian Federation

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Re:usb-c port not sending video signal

2021-04-14, 8:20 AM

How to attach second external monitor to such kind of laptops?

i have same question but other device(L340) is `Displaylink` dock station can help?

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4 Posts

04-12-2021

United States of America

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Re:usb-c port not sending video signal

2021-04-14, 17:03 PM

Thanks. I guess that makes a good case for studying the specs before you buy. The “guy “ at Microcenter swore the dock he sold me would work.  
So here is another dumb question: is it possible to change the USB-C to a lightning connector via a software modification?

thanks

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1844 Posts

01-08-2021

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Re:usb-c port not sending video signal

2021-04-14, 18:37 PM

Hi mariettasquare,

 

No, this is more of a hardware features to have the USB C conduct Display Port feature.

 

Regards.
Dex_Lenovo



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4 Posts

04-12-2021

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Re:usb-c port not sending video signal

2021-04-14, 19:51 PM
Thanks. Thought that would be the case but had to check. Thanks again for your response!
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1844 Posts

01-08-2021

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Re:usb-c port not sending video signal

2021-04-15, 17:33 PM

Hello mariettasquare,

 

You're welcome. Feel free to initiate a new post to the boards if you need help.

 

Regards.
Dex_Lenovo



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4 Posts

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Re:usb-c port not sending video signal

2021-04-15, 18:07 PM

I'm new to this forum:

I would like to give you kudos and mark as accepted solution, but don't see a "star*" to click or an option to mark this as accepted solution

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4 Posts

04-14-2021

Russian Federation

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  • Message 9 of 10

Re:usb-c port not sending video signal

2021-04-15, 19:08 PM

Okay, my question still ignored

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1844 Posts

01-08-2021

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  • Message 10 of 10

Re:usb-c port not sending video signal

2021-04-20, 16:41 PM

Hi gdbd,

 

You may want to specify your query in complete content and share your machine type model / MTM (ex. 81C70000RK) from the sticker when going in between thread flow as it would help find details on your machine variant. The machine type model should consist of more than 4 characters.

 

Regards.

Dex_Lenovo



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