Step 1. Get an extension cord, >1m. zigbee controllers are prone to interference.
Step 2. Check that your instance of HA identifies the USB device;
Settings\System\Hardware"Three dots"\All Hardware
Edit
Get used to making backups, and store at least four of them over time (daily backups, removed the oldest). On every major update or addition to your setup, do a new additional backup.
Get a separate Google account for your HA, so there will be no issue with storage.
I run this addon and it has saved my setup three four times during the last year.