Greetings fellow Eorzean,

If you have multiple USB slots, have you tried plugging the controller into a different slot? Additionally, if you have any other USB devices that are plugged into your PC, I recommend unplugging everything and only having your controller connected to see if that makes a difference. It might also help to run a clean boot on your PC to ensure that there aren't any other programs running in the background that might interfere with your controller's drivers. You can perform a clean boot by opening your Task Manager, navigating to the 'Start Up' tab, and disabling all applications listed there. Afterward, restart your PC and try running the game again.

Hopefully this helps! Thank you for posting in the FINAL FANTASY XIV Technical Support Forums.