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Forum Discussion

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.