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TP-Link Archer C7 - drops 2.4 band randomly

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#1 treagan7


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Posted 31 March 2016 - 11:42 AM

I could use a little help as I know so little about computers/networking.  Have a TP-Link Archer C7 DBR.  Set it up with passwords for both bands.  All worked great.  Probably have 10 devices connected to 2.4 band and 3 connected to 5.0 band.  Worked well for a month.  Then no one could connect to 2.4 band.  Could still connect to 5.0 just fine.  Could see the 2.4 band sometimes but when type in correct password, it would just say password is wrong.  I am only admin and only person with password to access router, so I know nothing was manually changed.  In past, I had enabled wireless MAC filtering to kick kids off after hours, so my first thought was i must have inadvertantly cutoff availablity for that time.  But that was all turned off/disabled and still can't connect to 2.4.


After I couldn't get it running, I turned off security for 2.4 and now everyone connects fine.  But when I turn it back on, problem comes right back.

Anyone ever hear of this problem or have solution suggestions?


I saw one other similar post in forums but that guy had problems right out of the box.  Mine is strange in that everything was working fine until it wasn't.

Thanks in advance for any thoughts.


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#2 Sneakycyber


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Posted 31 March 2016 - 01:06 PM

Have you tried resetting the router? Is the Firmware up to date?

Chad Mockensturm 

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Certified CompTia Network +, A +

#3 treagan7

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Posted 01 April 2016 - 03:14 PM

I know I reset the router and am 99% sure I updated the firmware.  Will check again tonight.  Thanks ....

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