Displaylink service is on, but my second monitor isn't turning on. KDE Shows that the monitor is enabled

General system
1

Displaylink service is on, but my second monitor isn’t turning on. KDE Shows that the monitor is enabled. I have checked and yes, evdi, and the displaylink service are running fine, but my second monitor still isn’t turning on.

2

Is it plugged in properly?

3

Have you checked the wiki?

https://wiki.archlinux.org/title/DisplayLink

Edit:

Only 1 Display is recognized after boot

In case multiple displays are connected to a DisplayLink Docking station, but only 1 is recognized after bootup, a possible fix is to force evdi to search for multiple displays at boot by adding the evdi module to /etc/modules-load.d/evdi.conf and "options evdi initial_device_count=2" to /etc/modprobe.d/dkms.conf

4

Did you load the module for the displaylink device?