I have a Pace 5268AC, and have set up the 2.4GHz and 5GHz networks to have a different SSID so I can choose what device is on what network. My phone is connecting to the 5GHz network fine, and I know that my desktop is capable of connecting to it just fine because it's been fine for days before. Every now and then, though, it stops letting me connect to the 5GHz network on my desktop. This is extremely frustrating because there is a huge difference in network speed. I've tried restarting my computer, restarting the router, and reinstalling network adapter drivers to no avail.
While the 5GHz network does provide higher speeds, the signal is more concentrated and does not spread over as far an area as the 2.4GHz.
So, you may be slightly outside of the optimal range of the network itself, and we recommend checking our Smart Home Manager to see if it is recommended to get a WiFi extender.
If you feel you are well within the range of the network, then the next plausible issue would be the network adapter your device is using, or interfering signals from things such as microwaves or other electronics near your desktop.
You can also check the Troubleshoot & Resolve tool to see if there are any recommended actions it provides to improve signal strength.
We hope this helps.
John, AT&T Community Specialist
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