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Why does my wifi keep going on and off on my mac?

5195 Views 28 Replies Latest reply: Jul 9, 2013 1:30 PM by fromsouth RSS Branched to a new discussion.
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matteo534 Calculating status...
Currently Being Moderated
Jul 6, 2013 3:46 AM

My dad recently got a macbook air (2013, 10.8.4). I have a 2011 macbook air. My mac can connect to our home's wifi network, and so can all the other devices in our home, but his macbook can't. As in, it connects (or appears to according to the status bar), but the internet doesn't work. So I go to network diagnostics. It always ends up telling me that it's working fine, even though it always starts out by showing that the ISP conenction fails etc. Sometimes it even tells me that the network settings had changed. I restart his computer, the internet works for 1 minute, then it stops working again. I restart the router, it works for 1 minute, then stops working. I even try to access the router's ip address (to log in to the router) via his macbook, but not even that works. I have no idea what to do. Is this a problem with my router, or could it be a problem with his mac?


Any ideas? Any help is appreciated


Bear in mind that my wifi settings are the same as his (e.g. DNS), and that there are no conflicting ips as far as I know (it uses DHCP). This problem only occurrs on his macbook. Other devices (e.g. iPads, iPhones, my macbook) work.

MacBook Air, OS X Mountain Lion (10.8.4)
  • Carolyn Samit Level 10 Level 10 (84,145 points)

    Hi ...


    Try this support article matteo >  About Wireless Diagnostics


    And here >  Wi-Fi and Bluetooth: Potential sources of wireless interference


    Try a different channel using AirPort Utility.


    Launch AirPort utility then click once on the network name the click Edit. You may be prompted for the network password.


    Then select the Wireless tab then click Wireless Options


    Select a different channel from the first channel pop up menu then click Save.

  • anth2013 Level 2 Level 2 (270 points)

    New mac book air do have wifi problems to connect to routers i dont know what ur router is bcoz now new air has more faster wifi mean u must hav latest router to match their speed if u got an older then this wont work this why ur dads air doesnt work and ur other  2011 is working bcoz of older wifi u hav on air,its not the same wifi signals 2011 to 2013

  • homeport1 Level 1 Level 1 (15 points)

    If you search on here you will see there are a lot of people with issues with the new Macs and wifi, changing channels is only a fix in side but not for portability

  • anth2013 Level 2 Level 2 (270 points)

    Thats good im helping ur issue solve ur problem come from diff router so livebox must have faster signals but im surprise its 5 years old(outdate tech)...enjoying

  • {rez} Calculating status...
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    Jul 7, 2013 11:40 AM (in response to matteo534)

    Oh and LOL this issue has not been solved as this posts pretends it does - macbook airs are defective. thats all.

  • Mikael_B Level 1 Level 1 (20 points)
    Currently Being Moderated
    Jul 7, 2013 11:44 AM (in response to matteo534)

    Any macbook air with this wifi connectivity problem should be returned. Apple need to fix this asap and we should return any defective unit and postpone our investment in MBAirs until they've sorted this out

  • {rez} Level 1 Level 1 (5 points)

    anth2013 answers makes no sense! Explain to me exactly and in detail what anth2013 meant,  --> "new macbook airs have faster wifi so u must have faster routers to match them" -->


    <Edited By Host>

  • Mikael_B Level 1 Level 1 (20 points)
    Currently Being Moderated
    Jul 8, 2013 12:15 AM (in response to matteo534)

    His answer is not correct but gives you a workaround in your home. Any laptop, as the MBA, is portable and should of course work also with older non Apple routers. You cant force everybody else to change router! The solution must be to fix the new MBAs, they are defective.

    This is a real issue and Apple is working on it but I'm not buying any new MBA until this is resolved. And I recommend everyone to wait as well, and if your unit is defective, return it. Keep the pressure up on Apple, don't reward them by buying a new router to fix a defective laptop.

  • carbon_dragon Level 1 Level 1 (60 points)

    I'm not excusing what I think is an Apple software or firmware problem with the wifi. However I'm pretty sure they will fix it eventually, so the question is can you wait? I bought a new Apple router for home and that's the only place I use wifi so I can wait, but others might be so lucky. If you are stuck trying to use wifi (say at work) which you don't control, or you can't afford to throw money at the problem, then there is little choice but to buy another machine.


    I suspect Apple will fix this quietly (unless it starts blowing up on all the tech sites) some time soon by an update. This is clearly a bad problem, but I don't think there's anything fundamental wrong with the device. Somebody is having some bad days at Apple though.

  • Mikael_B Level 1 Level 1 (20 points)

    But if it is a hardware problem?

    I really dont care if someone gets it to work at home by buying a new Apple router, for their stationary MacBook Air.

    Most of us by a ultraportable  laptop to take it with us to other networks, and we would like it to work without problem everywhere. So I still recommend everyone with a wifi issue to return it, everyone considering buying a MBA to postpone it until Apple fix this.

    The solution to a decective laptop cannot be buying a new outer and staying at home with it!

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