The camera is trying to sync to an NTP service and failing to communicate with it. The camera will show a blank white screen for approximately 6.5 minutes then the login screen will appear.
RISE 2 v1.61.7766 or lower
RISE 3 v2.10 or lower
Login to the camera then go to Date & Time and sync the camera to an NTP server. Once settings are saved and the camera rebooted, the login page will appear within the first minute or two.
Login to the camera then go to Date & Time and sync the camera to the local PC. You will need to enable the OSD date and time stamp for verification.