How to connect desktop computer over USB-C to dock with video?


  1. Posts : 25
    Windows 10
       #1

    How to connect desktop computer over USB-C to dock with video?


    How to connect desktop computer over USB-C cable to docking station with 2 monitors and LAN?

    Presently I have Lenovo 40AF0135EU dock but it doesn't work over desktop computer USB-C port.
    (Desktop board mobo Gigabyte B360M D3H s 1151 mATX)

    Purpose is to minimize "travelling" desktop back panel cables to minimum.

    There are google search results about USB-C DP alternative protocol, Thunderbolt and etc but getting a full picture has failed in one day.

    Is there any add on card for desktop to connect to Lenovo 40AF0135EU over motherboard USB-C?
    Any compatible other USB 3 adapters to video?

    Video 4k is not required.
      My Computer

  2. hsehestedt's Avatar
    Posts : 2,206
    Windows 10 Pro, 20H2
       #2

    Your search on USB-C DP alt mode was a good one. Basically, to support video natively over USB-C your port must support Alt mode. However, that does not mean that there are not other methods. There are many docks / adapters that contain chipsets capable of displaying to monitors from any standard USB 3 or even USB 2 port (you will get more capabilities from a USB 3 port such as support for more than one monitor, higher resolutions, etc.).

    DisplayLink is a popular chipset used in many docks. There are probably dozens of such devices. Just look at your favorite site (Amazon, newegg, etc.) for docking stations that have the type of output you need (HDMI, DP, etc.) and that require the type of input you have available (USB 3 with a USB-C connector for example).

    There are adapters available that provide nothing but video output, while others might have video and Ethernet, and still others that provide a dizzying array of capabilities.
      My Computers


  3. Posts : 25
    Windows 10
    Thread Starter
       #3

    Thanks a lot for reply.

    But I'm still a week away from solution.
    Is there any desktop mobo add on card for Lenovo 40AF0135EU dock, since I already have spare one?
    (and perhaps any new info is therefore easier to understand)
    I use this dock with Thinkpad T480, where it supports 2 monitors, LAN and keyboard-mouse.

    What is required to adopt same to desktop computer?
      My Computer

  4. hsehestedt's Avatar
    Posts : 2,206
    Windows 10 Pro, 20H2
       #4

    Okay, I think I understand. You want to be able to use that docking station with your desktop, right? I believe that the docking station that you are referencing is like the type I described earlier - one that simply connects via USB.

    There are drivers needed for this docking station to work. Did you download and install the drivers on your desktop system?

    Drivers and firmware updates are available here:

    accessory :: docks :: thinkpad hybrid usb c with usb a dock :: 40af :: 40af0135eucontentdetail - Lenovo Support US
      My Computers

  5. hsehestedt's Avatar
    Posts : 2,206
    Windows 10 Pro, 20H2
       #5

    Update: I was looking at the info for this docking station and it specifically notes that it will also support non-Lenovo systems so I think that this should be doable.

    It looks like a pretty nice docking station as well .

    Let me know if you get to work!
      My Computers


  6. Posts : 25
    Windows 10
    Thread Starter
       #6

    Quick reply is, that there is LAN and video out on one HDMI outputs from Lenovo ThinkPad Hybrid USB-C with USB-A Dock - Type 40AF - 40AF0135EUnovo
    2 screens 1- VGA connected to mobo output 2. Samsung 32" TV connected to dock's HDMI.
    Result is extended screen VGA-Samsung TV without any monitor setup.

    Motherboard Gigabyte B360M D3H Bios v. 15.
    Windows 10 Pro 64 bit 20xx ver.

    Since it's the brand new PC setup, any further performance test require more time.

    Thanks for encouraging to try it out.
    I hope to add more results later.
      My Computer


 

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