WAVLINK HDMI USB-C to Dual HDMI Adapter User Manual

: June 14, 2024
: WavLink

Table of Contents

HDMI USB-C to Dual HDMI Adapter
Documents / Resources

HDMI USB-C to Dual HDMI Adapter User Manual

HDMI USB-C to Dual HDMI Adapter

WAVLINK HDMI USB C to Dual HDMI Adapter

We will encourage customers to contact our technical support if they encounter any problems.
And we will be happy to help.
Support team E-mail: postsales@wavlink.com
To to get the best performance, we suggest the user to upgrade the bios, graphics driver and thunderbolt 3 driver or firmware if possible. You could find these driver at the website of the pc manufacturer.
If you are not sure where to find them, pls tell us the detail model number of your pc, we will send the driver link to you directly.
Below are some common problem:
What should I do if my monitor is not detected by the system via wavlink adapter?

Please make sure the type-c port of the laptop/pc support video output (dp alt mode).
Not all type-c port support such function. Please refer to the picture below to confirm that. If you are not sure, please contact our support team, we will be happy to help you confirm that. You could find these driver at the website of the pc manufacturer.
If you are not sure where to find them, pls tell us the detail model number of your pc,we will send the driver link to you directly.
Try to Upgrade the bios , graphics driver and thunderbolt 3 driver or firmware if possible.
Try to connect the monitor to the laptop/pc directly to check if the monitor work as expected. (To rule out the problem of the video cable and the monitor)
Try to choose the correct source input for the monitor.

Can I connect the adapter to a docking?
We have not test the adapter with the docking.And we suggest you could connect the adapter to the laptop directly.You might meet some unexpected problem when you connect the device to a docking.
What should I do if the resolution is not as expected?
The device support single 4k@60hz resolution or dual 4k@30hz resolution.
If it is not as expected, please try the steps below.

Try to Upgrade the bios, graphics driver and thunderbolt 3 driver or firmware if possible.
Try to choose the correct resolution in the display setting.
For windows, please right click the desktop and click the display setting then you could change the resolution.
For mac, please go to system System Preferences >> display, then you could change the resolution.
Try to change the video cable.
Try to avoid to use the hdmi to vga/dvi adapter/cable.
Try to connect the monitor to the laptop/pc directly to check if the same thing happen. (To rule out the problem of the monitor and the video cable)

I connect the adapter to my macbook but the external monitors are same, why this happen?

It is as expected.The mac OS supports sst only and does not support mst.The external monitors will show the same content.It is a limitation for mac OS.
Why my monitor could not be detected via the adapter?
To make the device work as expected, the type-c port of the laptop support video output(dp alt mode), or the adapter could not work. Not all type-c port support video output, if you are not sure, please be free to contact our support team:
postsales@wavlink.com , we will be happy to help.
The device gets hot in usage, it is normal？
It is as expected, the device will get hot in usage and normally it will not affect the usage. If you meet any problem, please be free to contact us.
The monitor is blinking, what can I do?

Upgrade the bios, graphics driver and thunderbolt 3 driver or firmware if possible.You could find these driver at the website of the pc manufacturer.
Try to change the video cable.
Try to connect the monitor to the laptop directly and check if this same thing happen. (To confirm if such problem is related with the video cable and the monitor)
Try to change the refresh rate, you could choose 60hz or 30hz. (The docking might not work as expected at higher refresh rate)
Try to avoid to use the hdmi to vga/dvi adapter.

What should I do if specific hdmi port of the adapter could not work as expected?
Try to reset the device by unplugging it for 1 min and connect it back.
Try to change another video cable.
Please connect the monitor to the laptop/pc directly and check if the same thing happen. (To rule out the problem of the video cable and the monitor)
If possible, please test the adapter with another laptop/pc and check if the same thing happen. (To confirm if such problem is related with the host environment, if you do not have another laptop, please do not worry and skip this step) (5)Try to Upgrade the bios, graphics driver and thunderbolt 3 driver or firmware if possible.
What should I do if the adapter could not work with my macbook?
(1)Make sure there should be type-c port on the macbook. If you use the type-c to type-a adapter to connect the wavlink device and the macbook, the wavlink device could not work.
(2)Try to upgrade the system if possible.
(3)Try to reset the parm and smc if the chip of the mac is from intel.
For detail steps to reset the parm and smc, the user could refer to the link below: https://support.apple.com/en-us/HT201295
https://support.apple.com/en-us/HT204063
(4)If possible, please try to test the wavlink device with another laptop/pc and check if the same thing happen. (To confirm if such problem is related with the host environment)
If you still meet some problem, please be free to contact our support team.

Could this device work as the external video card?
No, the device could not work as the external video card.
The device will reply on the built-in gpu To make device work as expected, the type-c port of your host should support video output. Or the device could not work.
If you are looking for a device which support to extend dual monitor on a usb port which could not support video output, we will recommend you ug7602hc, for more information, please kindly refer to the link below: https://www.wavlink.com/en_us/product/WL-UG7602HC.html