Hello SangHun,
Thank you for reaching out to us on the forum.
May you please gather the log files by following
this guide?
Additionally, could you record a short video illustrating your issue? I would like to see it to understand it clearly.
If you would like to move from the forum to more direct way of communication, please send these pieces of information on our email address:
technical_enquiries@displaylink.com
In case of any questions, feel free to contact us again.
Best regards,
Jakub