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Forum Discussion
jp256
Jul 31, 2026Aspirant
RAX50 5GHz not connected to internet
RAX50 suddenly lost 5GHz connection to internet. 5GHz signal is rated "excellent" by client devices but client devices using 5GHz network can no longer connect to internet. 2.4GHz works fine and clie...
jp256
Aug 01, 2026Aspirant
The modem is made for the ISP (Spectrum) but does show the mfr name. Model# may be "PC15". Nothing on MAC and S/N label says Model #.
Channels are AUTO (7) and 36. Was using 44 and working well until problem with internet connectivity developed. Also tried 40 and 48, but still no internet connectivity.
Ch 7 is working well ("Good" signal rating from client devices).
Ch. 36, 40, 44, 48 are all rated "Excellent" by client devices, and they can connect to 5GHz, but it will not connect to internet.
I have not yet manually loaded newer version of FW, and have not tried factory reset. Will do when I have enough time to reconnect all client devices.
Thanks for your suggestions.
FURRYe38
Aug 01, 2026Guru - Experienced User
Wondering if its a Hitron, They make most of specturms internal modems. Hard to tell sometimes of the brand as sometimes they don't put good sticker info on the modem. Some they do.
Gotta picture of it?
Try 1, 6 or 11 on 2.4Ghz. Channel 7 is a sub channel used by the system and not handled well by client devices.
When you can, update FW manuall using MS Edge for Firefox browser and then factory reset and setup from scratch.
If you see protection engine on the routers web page, you can disable it and see if this helps any after you have updated the FW and reset it.