Here are a few points for you:
- Did you follow the J30 installation tutorial on the wiki?
- Is your Ubuntu 18.04 (best) /20.04? 22.04 Ubuntu can’t refresh (NVIDIA issue)
- Are you using a virtual machine? (can 't refresh) Please use a Linux host
- Confirm whether you want to download JP5.1.1 or JP5.1.2 (click the button at the top to see the tutorial for the respective version number)
