Details as well as posting in the proper forum might help.
1. heres the Orbi AX forum: https://community.netgear.com/t5/Orbi-WiFi-6/bd-p/en-home-orbi-ax
2. make sure you include what modem/gateway the router is connected to
3. include what firmware version you're on
4. What light is red?
details are key to use helping you as well as posting in the forums where members are familar with those devices. You posted in the extender forum.
1.4gig download/50mbps upload
We’re members of the public helping out on our own time.