Hi MinerMH, there are good guides from HiveOS on their Knowledgebase:
Point 1: https://hiveos.farm/guides-driver_upd/ at the end its explained.
Point 2: Click on the Power Button then select Reboot
Point 3: Use Hive-Shell: https://hiveos.farm/guides-hshell/ then https://hiveos.farm/guides-driver_upd/
Link to Knowledgebase: https://hiveos.farm/knowledge-base/
Greatings
ReScUe