If there is no internet connection but your Orbi satellite flashing white, it means the satellite is attempting to sync with the network but is having trouble. Before beginning to fix this, check whether the router is on and functioning properly. In order to reboot the Orbi router and satellite, they need to be unplugged for at least 30 seconds, and then plugged in again. Patience until the light turns from white to a still state. Should this problem continue in a way that the Orbi satellite is flashing white, possible solutions will be bring it closer to the router. Using the sync button, you can attempt resyncing the devices as well. Finally, check for any firmware upgrades and install them, as outdated software can cause connectivity issues. Your internet connection should be restored by following these instructions.