5Ghz is turned on but not working

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5Ghz is turned on but not working

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5Ghz is turned on but not working
5Ghz is turned on but not working
2022-05-07 05:20:22
Model: Archer C6U  
Hardware Version: V1
Firmware Version: 1.0.4 Build 20201230 rel.53346(4555)

I upgraded my router's firmware and I can't connect to the 5ghz network (it's turned on).

The only fix that I found is i change 5ghz wifi settings like channel width from automatic to something else. But next day it just won't work again so I need to change it back. It's very annoying. Does anybody know a solution

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Re:5Ghz is turned on but not working
2022-05-09 11:51:56

Hello @Bgf12 

 

Can I know which channel are you using when it is working? When it stops working, you can still see the 5G network, but fail to connect to it? What is the error message?

 

When did this issue start to happen? When did you buy the router? How about the wired connection and 2.4G? Are they still working fine?

 

You mentioned you upgraded the router firmware, does it mean the issue starts after you upgraded the firmware? If yes, I would suggest you reset the router to factory defaults then reconfigure it from scratch to check and connectivity again.

Nice to Meet You in Our TP-Link Community. Check Out the Latest Posts: Connect TP-Link Archer BE550 to Germany's DS-Lite (Dual Stack Lite) Internet via WAN Archer GE550 - BE9300 Tri-Band Wi-Fi 7 Gaming Router Archer BE800 New Firmware Added Support for EasyMesh in AP Mode, DoH&DoT, and 3-Band MLO Connection Archer AX90 New Firmware Added Support for EasyMesh and Ethernet Backhaul If you found a post or response helpful, please click Helpful (arrow pointing upward icon). If you are the author of a topic, remember to mark a helpful reply as the "Recommended Solution" (star icon) so that others can benefit from it.
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Re:5Ghz is turned on but not working
2022-05-09 12:15:27

  @Kevin_Z i can choose any channel it just works but next day I need to configure a new channel. The wired and 2.4 GHz is working without any problem

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Re:5Ghz is turned on but not working
2022-05-12 11:04:23

@Bgf12 

 

When did this issue start to happen? When did you buy the router?

 

You mentioned you upgraded the router firmware, does it mean the issue starts after you upgraded the firmware? If yes, I would suggest you reset the router to factory defaults then reconfigure it from scratch to check and connectivity again.

Nice to Meet You in Our TP-Link Community. Check Out the Latest Posts: Connect TP-Link Archer BE550 to Germany's DS-Lite (Dual Stack Lite) Internet via WAN Archer GE550 - BE9300 Tri-Band Wi-Fi 7 Gaming Router Archer BE800 New Firmware Added Support for EasyMesh in AP Mode, DoH&DoT, and 3-Band MLO Connection Archer AX90 New Firmware Added Support for EasyMesh and Ethernet Backhaul If you found a post or response helpful, please click Helpful (arrow pointing upward icon). If you are the author of a topic, remember to mark a helpful reply as the "Recommended Solution" (star icon) so that others can benefit from it.
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