The Netgear routers have selectable dual-band routers that provide the frequency bands of Netgear router 2.4 and 5ghz not working. The advantage of using dual-band is 2.4 GHz band enables long-range transmission with a comparatively lower speed, and the 5 GHz frequency band provides a shorter range transmission at high speed.Sometimes, you may experience trouble using both the bands. Refer to the following solutions to fix the issue on the Netgear router settings.
Update the router firmware
Check the wireless router settings
Disable the coexistence settings