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Viking55's avatar
Viking55
Aspirant
Feb 15, 2016
Solved

WNDR3400v3 connects 5G and ethernet but not using 2.4G

I have an WNDR3400v3 N600 Wireless Dual Band Router which will no longer connect in the 2.4G band if security is turned on. The 5G band and all ethernet ports work fine.   As I have 2 other 2.4G ac...
2.4G
N600
Security
Troubleshooting
WNDR3400v3
  • ElaineM's avatar
    ElaineM
    Jun 09, 2016

    Vellu Sounds like you already have a faulty unit.

    Last resort would be re-upload the latest firmware. You can still load the same firmware version, it's called reflash.

    If that didn't fix it, then it's a faulty unit.

Retired_Member's avatar
Retired_Member
Feb 15, 2016

Have you reset it to defaults?

  • wcalifas831's avatar
    wcalifas831
    Prodigy
    Feb 16, 2016

    After firmware updates it's good to reset to defaults and do your settings over.

  • Viking55's avatar
    Viking55
    Aspirant
    Feb 16, 2016

    I'll give the reset to defaults a try, but the reason why I did the firmware update was because the 2.4G signal would not allow users to stay connected. The entire setup worked fine for close to 3 months with no changes made during that period.

    • Retired_Member's avatar
      Retired_Member
      Feb 16, 2016

      And your point is? There are only several things you can do, If it worked once, then it's not likely a user setting will correct it.

       

      1) reset it

      2) reset it to defaults

      3) change FW ( Up or Down ) and still Reset it to defaults

      4) do nothing and replace it.

       

      Good Luck!