Wifi detects only 1 SSID of the three that are setup

[#1]

Dec 9, 2018. OsX and iOS device can only find one SSID of the three that are setup in the router. The router is 

D-Link

DIR-890L

HW:A2

FW:1.20

I have rebooted the router, reset the modem, restarted all devices, powered everything on and off, installed latest router firmware. Nothing works. Still just getting one 5GB SSID. Missing a 2.4 and secondary 5 SSID. All three are shown in the router admin software as active

[#2]

That is something you'll have to talk to D-Link about..

[#3]

So there is no reason to call Shaw Support, is what you are saying.

[#4]

Correct.  Your Shaw service works (internet), your issue is with the D-Link device which Shaw doesn't provide/support.

[shaw-tamara]

Hi  

We don't support third party services or equipment, so your best bet would be to get in touch with D-Link directly. You can find their contact info on Third-Party Support Resources 

[#6]

Was having the same issue with DIR-890L and (knock on wood) seem to have resolved it by resetting the SMC on my Mac as, for some reason, the router was showing up with, at first, a US country code then, intermittently, X0 (Nil) country code.

With the funky country codes it seems that the router could/would not connect to the higher channels of the secondary 5G SSID.  Try running a system report on your OSX device (About this Mac) and look at the wifi section to see if your country codes are correct.

Again, this is what worked for me but YMMV.