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asus RT-AC86U Wan port problem

Discussion in 'ASUS AC Routers & Adapters' started by willkho, Mar 21, 2019.

  1. willkho

    willkho New Around Here

    Aug 29, 2018
    Hi all,

    I purchased an asus RT-AC86U few month ago.
    Everything worked fine until suddenly the WAN/internet turned red.

    Claimed the warranty, Sent it to repair. However, the repair centre said mine is not covered by Australia's warranty. They said mine is not Australia's series/model.

    Really upset, spent $25 to get it shipped and got rejected. On the phone they said it's covered.

    Anyway, I'm thinking to open it up and replace the wan port myself.
    Not sure it's a good idea.

    I've done the factory reset, flash with the latest firmware but still couldn't work.

    It's not the internet problem because i have another RT-AC86U and it has no probs.

    Wondering if anyone got an idea how to replace the port?

  2. L&LD

    L&LD Part of the Furniture

    Dec 9, 2013
    You flashed first, then did a factory reset, correct? Then you configured the router to secure it and connect to your ISP without using a backup config file, right?

    See my signature for links to properly reset the router.

    I assume you tried different Ethernet cables on that WAN port? Try from a very different model/manufacturer, it may help.

    Also, I wouldn't open up the unit. Can you use a LAN port as the WAN port and add an inexpensive switch, if needed?
  3. ColinTaylor

    ColinTaylor Part of the Furniture

    Mar 31, 2014
    If you think the WAN socket is physically broken it would be possible to replace it if you're skilled in (de)soldering small components. If you're not then you'd probably cause more damage than you might fix.

    Before you go down that route just reconfigure one of the LAN ports as the WAN as @L&LD suggested. See image below:
    L&LD likes this.