Archer C5400 no 2.4 wifi after couple of days and channel shows as N/A
Archer C5400 no 2.4 wifi after couple of days and channel shows as N/A
Archer C5400 no 2.4 wifi after couple of days and channel shows as N/A
2017-08-07 07:09:41 - last edited 2019-01-29 18:36:32
Model :

Hardware Version :

Firmware Version :

ISP :

C5400 when I have the problem I am not able to see the 2.4 wifi in any of the devices. Channel shows as N/A in web interface and I don't have any problem with the 5 Ghz wifi. Only way to get the 2.4 back is by restarting the router. It will work for a couple of days and then the 2.4 disappears from the SSid list

I have set a fixed channel for 2.4. Smart connect is off. Any suggestion to get the 2.4 to work reliably.
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#1
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116 Replies
Re:Archer C5400 no 2.4 wifi after couple of days and channel shows as N/A
2017-08-07 15:42:59
Is your firmware the latest one? You can email tplink support for further analyze.
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#2
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Re:Archer C5400 no 2.4 wifi after couple of days and channel shows as N/A
2017-08-07 21:35:40
yes, the firmware is the latest. I got a replacement from Amazon and the new one also the same. Before C5400 I have a netgear router and it didn't have any problem with 2.4.
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#3
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Re:Archer C5400 no 2.4 wifi after couple of days and channel shows as N/A
2017-08-08 14:10:32
Hmm, my C5400 has no the issue currently. It seems to be a bug. You may tried to reset the router. If this can't help, email tp-link support to feedback this bug. Hope a new firmware can fix this issue. Finger Crossed.
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#4
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Re:Archer C5400 no 2.4 wifi after couple of days and channel shows as N/A
2017-08-08 22:09:39
I have around 20 2.4 devices. It might be 1 or 2 rogue devices that might be causing the issues

I raised a ticket with the support and waiting to hear from them. I will keep the thread updated on the resolution in case anyone has this problem.
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#5
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Re:Archer C5400 no 2.4 wifi after couple of days and channel shows as N/A
2017-08-09 02:28:23

harshakavuri wrote

I have around 20 2.4 devices. It might be 1 or 2 rogue devices that might be causing the issues

I raised a ticket with the support and waiting to hear from them. I will keep the thread updated on the resolution in case anyone has this problem.



call on the toll free number
844-718-3989 Time 8:00 am to 6:00 pm (CST)
Ask for Jack Frose as me and get your issue fixed mam
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#6
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Re:Archer C5400 no 2.4 wifi after couple of days and channel shows as N/A
2017-08-09 02:33:40
Having a similar issue where I can see the 2.4 GHz network but it has not internet connection. I reset everything back to factory settings and it is still intermittent along with no longer being able to see my 5G_1 channel but the 5G_2 channel is available and working properly.
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#7
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Re:Archer C5400 no 2.4 wifi after couple of days and channel shows as N/A
2017-08-11 05:51:54
Update: I have a few Dlink Wifi switches (DSP-W110) and when I remove them from the network, the 2.4 seems stable and going strong for more than 2 days.

when I connect them to netgear wifi extender the 2.4 network on netgear seems stable as well. I am having these switches for couple of years and didn't face any problem until now.
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#8
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Re:Archer C5400 no 2.4 wifi after couple of days and channel shows as N/A
2017-08-17 23:21:07
Had a remote Teamviewer session with the Tech support. submitted them the logs and waiting for a resolution.
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#9
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Same Issue
2017-09-05 10:07:55
I have the exact same issue where the 2.4ghz Radio just disappears wondering if you were able to fix this
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#10
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Re:Archer C5400 no 2.4 wifi after couple of days and channel shows as N/A
2017-09-09 00:14:33
Same Issue here . 2.4 GHz band cannot connect to any devices. I seem to have started seeing this after I upgraded the firmware to 1.2.0 Build 20170630 rel.49653(5553)
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#11
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