Wifi connecting issue

Discussion in 'Mac OS X Server, Xserve, and Networking' started by Mykald, Jan 6, 2016.

  1. Mykald macrumors newbie

    Jun 13, 2010
    I have an airport extreme as my wifi router. I have 2 iPads (wifi only), 3 iPhones, Samsung Galaxy, 2 Apple TVs, Directv receiver, a MacBook pro, and my wife's work laptop connected to the wifi. Everything has been working fine till yesterday. Everything is connected to wifi/internet, but my MBP and wife's laptop will not connect to internet. When I do diagnostics the Wifi and wifi settings are green, Network settings is yellow, and ISP, Internet, and Server are red. It is just weird that everything connects fine but the two laptops. Any suggestions?
  2. newlifer macrumors member

    Jun 7, 2014
    I suspect pirate software calling home. format & reinstall osx. I use little snitch
  3. Mykald thread starter macrumors newbie

    Jun 13, 2010
    only way to find out if that is the issue is to use an app like Little Snitch? Is there a site I can look at on how to format and reinstall OSX?
  4. newlifer macrumors member

    Jun 7, 2014
    the only way to find if this is the problem is to start fresh & check if you still have the issue. with little snitch you are able to block the software doing this. plenty of sites on how to reinstall, depends on your configuration
  5. 556fmjoe macrumors 65816


    Apr 19, 2014
    Try a these commands from a terminal on the computers that connect fine to the internet and the ones with problems and post the output.

    ping www.google.com
    traceroute www.google.com
    dig www.google.com
    Ping will send packets to a server and tell you if it receives a response. Traceroute will try to contact a server and will show you every IP address along the way. Broadly speaking, this path will typically start with your router, then your ISP's equipment, then the server. If any part of that path is broken, traceroute will stop there. Dig will attempt a DNS request for the url you provide it. If you are unable to make DNS requests for some reason, dig will fail.
  6. getrealbro macrumors regular

    Sep 25, 2015
    You can do a clean install of OSX 10.11.x on a 32GB CF card or USB stick (preferably USB3). (Use Disk Utility to format it as HFS+ with a GUID partition table before you do the clean install.) You can then boot from the CF Card or USB stick by telling your MBP to restart, then hold down the option key while your MBP reboots until you see a row of bootable volumes.

  7. Mykald thread starter macrumors newbie

    Jun 13, 2010
    --- Post Merged, Jan 6, 2016 ---
    I typed the code in terminal.
    ping: cannot resolve www.google.com: Unknown host

    traceroute: Unknown host www.google.com

    DiG 9.8.3-P1 www.google.com
    Global options:+cmd
    Connection timed out; no servers could be reached.

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