The drivers don't seem to be compatible with Windows 11.
The manual for the j5Create USB-C Dual HDMI Mini Dock JCD381 lists compatibility with Windows 10 / 8.1 / 8 / 7. It does…
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j5Create USB-C Dual HDMI Mini Dock JCD381 Installation Guide — questions & answers
Read product questions and troubleshooting answers linked to j5Create USB-C Dual HDMI Mini Dock JCD381 Installation Guide.