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Forum Discussion
Gary3935
Aug 11, 2021Tutor
AC1900 refusing some connections
Yesterday my AC1900 WiFi extender started refusing connections to some devices on the 2.4GHz band. I can connect a couple Chromebooks but other devices (cell phones, Wyze cameras, and iPads) will no ...
plemans
Aug 12, 2021Guru - Experienced User
well, you didn't answer any of the questions asked.
Gary3935
Aug 12, 2021Tutor
The router is connected via WiFi to a router supplied by CenturyLink using the 2.4GHz band. This connection is working fine since I can connect to the Netgear extender using either band EXCEPT on those devices that are now failing to connect via 2.4GHz.
The Netgear was setup so long ago I don't recall what method was used. However, the setup was successful, has been working correctly for years until a couple days ago.
The devices that won't connect to the Netgear via 2.4GHz can connect to the CenturyLink on it's 2.4GHz band.
This failure to connect issue with some previously connecting devices just started a couple days ago. Had been working fine for years.
- plemansAug 12, 2021Guru - Experienced User
What centurylink router is it?
2.4ghz is sensitive to interference. Have you tried changing the channel the router broadcasts on?
What firmware is on the extender?
Did you try factory resetting the extender and reinstalling it using the installation assistant?
- Gary3935Aug 12, 2021Tutor
What centurylink router is it?
The CenturyLink router has model number C4000XG.
2.4ghz is sensitive to interference. Have you tried changing the channel the router broadcasts on?
The Netgear router settings page does not allow me to select a channel. It is using channel 6. The channel selection setting is ghosted and says "Auto".
What firmware is on the extender?
The firmware version is: V1.0.1.104_1.0.184
Did you try factory resetting the extender and reinstalling it using the installation assistant?
No, I haven't tried this.
I just ordered a new wifi extender -- EX7300.
- plemansAug 12, 2021Guru - Experienced User
Gary3935 wrote:
What centurylink router is it?
The CenturyLink router has model number C4000XG.---that's a dual band router. Why aren't you connecting the 5gh? 5ghz has much higher throughput than 2.4ghz and has less interference issues.
2.4ghz is sensitive to interference. Have you tried changing the channel the router broadcasts on?
The Netgear router--do you mean extender? settings page does not allow me to select a channel. It is using channel 6. The channel selection setting is ghosted and says "Auto".In extender mode, the router controls which channel is used and the extender has to use the same one so it can connect to the router. So change it on your c4000xg
What firmware is on the extender?
The firmware version is: V1.0.1.104_1.0.184----I don't see that version for either v1 or v2 of the ex7300. what version do you have? if you are on that firmware, I'd be looking at upgrading the firmware. I know there was a sketchy version of firmware for the ex7300 that was removed because it was causing issues.
Did you try factory resetting the extender and reinstalling it using the installation assistant?
No, I haven't tried this.
I just ordered a new wifi extender -- EX7300.
- michaelkenwardAug 13, 2021Guru - Experienced User
Gary3935 wrote:
The router is connected via WiFi to a router supplied by CenturyLink using the 2.4GHz band.
By the first "router", I assume that you mean your EX7000?
Gary3935 wrote:
This failure to connect issue with some previously connecting devices just started a couple days ago. Had been working fine for years.
Any chance that you have tried the earlier advice?
Tried getting the refuseniks to forget the connection and rejoining the wifi?Perhaps I should have explained it more clearly. When you connect a wifi client to torture network, it remembers various settings so that it can connect automatically when it sees the SSID for that wifi source. Those remembered settings can get scrambled, or out of date.
The solution can be to go into the wifi client's settings, look for the bit where it lists previous wifi connections (that depends on the device) and then tell it to forget that connection. Then tell the device to join the wifi SSID again. In this way it forgets the old link and creates a new one.
Maybe you tried it. You don't say. It is one of the usual troubleshooting tricks when you have some wifi clients that misbehave while others are fine.