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New Macbook Air - wifi connectivity problems

446847 Views 2,055 Replies Latest reply: Apr 19, 2014 12:43 PM by mbaissues RSS Branched to a new discussion.
  • stumbleone Level 2 Level 2 (170 points)
    Currently Being Moderated
    Jul 23, 2013 7:14 PM (in response to jbjudis)

    Glad to see your posting.  As I've posted myself previously here, my MBA has worked perfectly.  After a bit of trepication, I even installed the fix.  Still works perfectly.  I'm not alone.

     

    My guess is that the number of people posting here with legitimate problems compared to the huge numbers of MBA sold is miniscule.  Can't prove it but I do believe it.

     

    However, I'd also speculate that the thread has been infested with some serious WinDroid trolls who are "never going to buy another Apple product," or whatever.

  • ihawk83 Calculating status...
    Currently Being Moderated
    Jul 23, 2013 11:09 PM (in response to vhkim)

    I've had issues with my MBA's wi-fi since I got it 4 days ago. It will kick me off the Internet and not let me back on. I called apple and they told me to make sure my wireless security was set on the wpa2 personal and it is. Really getting tired of this because it will work fine for hours and then not work at all... Fix this problem apple! Their quality control is no where near where it used to be I had a problem with my iPhone when I first got it too, scratched up screen and the wi-fi was jacked up like my MBA's. They keep this up and they will soon be identical to Microsoft except  way more overpriced... Enough of my rant... Over and out

  • iamazad24 Calculating status...
    Currently Being Moderated
    Jul 23, 2013 11:13 PM (in response to vhkim)

    Please let me confirm. The update works. Before the update the workaround was using WPA2. After update I have checked WPA/WPA2 works without any drop. I was too frustrated before the update and now even forgot that the problem existed.

  • ihawk83 Level 1 Level 1 (0 points)
    Currently Being Moderated
    Jul 23, 2013 11:15 PM (in response to iamazad24)

    The update didn't work for me, I thought it helped but here I am with the same problem a day later :-/

  • wifiguru Level 2 Level 2 (230 points)
    Currently Being Moderated
    Jul 23, 2013 11:35 PM (in response to ihawk83)

    What wireless router are you usinig ? Have you run the new Wireless Diagnostics and looked at the summary it offers and attempted to troubleshoot based on that report ?

  • Flood78 Calculating status...
    Currently Being Moderated
    Jul 24, 2013 2:35 AM (in response to vhkim)

    Hello!

    I bought a MBA 2013 and from begining I got that problem.

    These disconnection were so annoying that I created a little script that check if the router is still reachable. If not, then it will power off the network card and restart it 3 seconds later.

    It's running in background so most often, I don't know that the network was reset and even softwares usually don't see it also.

     

    Everytime the script detect that the router is not reachable, it writes it down in a log file. So you can see whenever it happens. I wasn't able to see any patterns... it can be when I use or not the computer, when the screen is off or not...

     

    Sometimes, I saw that when I get inside the room where is the router and the laptop and I go between them, the network will fail. So I see in the log that for a while, there was no reset and exactly at the time I came close to the laptop, it start doing a reset. It could be my phone that I carry with me that triggered this also.

     

    So, to come back to my script, after installing the latest patch from Apple, it's better but still not perfect. So my script is still useful. I share it with you, it automatically detect the router's IP and the WiFi network card.

    If you have 2 WiFi network card, I cannot tell if it will detect the right one. But if you edit the script, you can manually modify the parameters at the begining.

     

    You can get the script at this address:

    http://justpaste.it/watchdog_wifi_command

     

    You can also get it down here. Put this in a text file (pure text, no RTF or DOC) and in the command line, execute this command

     

    chmod +x watchdog_wifi.command

     

    Good luck!

     

     

    =========================

    watchdog_wifi.command

    =========================

     

    #!/bin/bash

     

    ###### parameters that you can adjust ######

     

    # Auto-detection of Wi-Fi card ID

    # (usually "en0" on macbook air and "en1" on other macbook)

    network_id=$(networksetup -listnetworkserviceorder \

          | grep Hardware \

          | sed -e 's/^(H.*rt: \(.*\), Device: \(.*\))/\1 \2/' -e 's/[()\*#]//g' -e 's/[-]/_/g' \

          |grep Wi_Fi| awk '{print $2'})

     

    # If you want to set manually the ID of the network card, use this command and remove #

    #network_id=en0

     

    # Auto-detection of the router''s IP (gateway)

    router_ip=$(netstat -rn | grep "default" | grep "$network_id" | awk '{print $2}')

     

    # If you want to set manually the IP to check, use this line and remove #

    #router_ip=192.168.1.1

     

    # delay between each check (in seconds)

    delay_between_ping=5

     

    # delay before switching back the network card on  (in seconds)

    delay_switch_on=3

     

    ###### you should not modify anything else after ######

     

    if [ "$router_ip" == "" ]; then

        echo

        echo "**********************************************"

        echo " You need to connect to a WiFi network first! "

        echo "**********************************************"

        echo

        echo press enter to finish...

        read nothing

        exit

    fi

     

    if [ "$network_id" == "" ]; then

        echo

        echo "****************************************************************************"

        echo " Wi-Fi network card not detected, you have to manually configure the script "

        echo "****************************************************************************"

        echo

        echo press enter to finish...

        read nothing

        exit

    fi

     

     

    echo

    echo "*****************************************************************************"

    echo " This script test if the WiFi network card $network_id is working. "

    echo " It will ping the router's IP to check it."

    echo " Router IP: $router_ip"

    echo " If it cannot ping the router, the WiFi card will be turned Off then back On"

    echo "*****************************************************************************"

    echo

    echo "-------------------------"

    echo " Press Control+C to quit "

    echo "-------------------------"

    echo

     

    while true

    do

     

    #ping the router

    # -t 1 = wait 1 second max for the reply

    # -c 1 = only ping once

    # $router_ip = IP to ping

    # grep "1 packets received" check if we get the right response

    echo $(date)

    echo Pinging the router to see if WiFi card $network_id is still alive...

    ping -t 1 -c 1 $router_ip | grep "1 packets received"

     

    #set the exit code in the variable

    exitcode=$?

    echo Exit Code: $exitcode

     

    #if exit code is not 0, then we restart the WiFi network card

    if [[ $exitcode != 0 ]] ; then

     

        echo $(date) >> watchdog_wifi.log

     

        echo

        echo "*************"

        echo Stopping WIFI

        echo "*************"

        /usr/sbin/networksetup -setairportpower $network_id off

     

     

        echo

        echo Waiting $delay_switch_on seconds...

        echo

        sleep $delay_switch_on

     

        echo "***************"

        echo Restarting WIFI

        echo "***************"

        /usr/sbin/networksetup -setairportpower $network_id on

     

        echo

        echo Waiting for network to reconnect...

        echo

        router_ip=$(netstat -rn | grep "default" | grep "$network_id" | awk '{print $2}')

        while [ "$router_ip" == "" ]; do

        sleep 1

            echo "..."

        router_ip=$(netstat -rn | grep "default" | grep "$network_id" | awk '{print $2}')

        done

     

    fi

     

    echo

    echo Waiting $delay_between_ping seconds

    echo

    sleep $delay_between_ping

     

    done

    MacBook Air, OS X Mountain Lion (10.8.4)
  • eppes Level 1 Level 1 (0 points)
    Currently Being Moderated
    Jul 24, 2013 3:41 AM (in response to Flood78)

    You can also print how long it will take to play a video on youtube, considering that connection will drop for 3 seconds every 20 seconds... :-D

  • attiland Level 1 Level 1 (0 points)
    Currently Being Moderated
    Jul 24, 2013 3:44 AM (in response to jornvandijk)

    jornvandijk wrote:

     

    I can't install the update. Running mavericks, but that shouldn't be the issue. Any help?

     

    Screen Shot 2013-07-18 at 8.18.21 PM.png

    That should be an issue. Update is for mlion. chack for workaround, earlier somebody posted it

  • attiland Level 1 Level 1 (0 points)
    Currently Being Moderated
    Jul 24, 2013 3:50 AM (in response to anuragwadhwa)

    anuragwadhwa wrote:

     

    Safar Hangs with the new update, wi-fi does not get connected after is woken from its sleep, this is getting worse with this 3rd update !!! WHY WHY WHY!!!

    I take it you haven't had a successfull installation yet. You need a stable connection for apply the patch. try to install with cable connection, than you should be sorted.

     

    reconnect is settings in network preferences...

  • attiland Level 1 Level 1 (0 points)
    Currently Being Moderated
    Jul 24, 2013 3:55 AM (in response to eppes)

    eppes wrote:

     

    I am not buying a laptop if it only works with Apple routers. So please people, share your experience with non apple routers as well so we understand if the patch actually fixed anything. Thanks

    no issue like that. mine is like a dream. patch has sorted the issue...

  • attiland Level 1 Level 1 (0 points)
    Currently Being Moderated
    Jul 24, 2013 3:58 AM (in response to AdrianUSA)

    AdrianUSA wrote:

     

    Prior to fix, wifi cut out every 5-10 minutes sometimes worse at certain times in the day. Outage would be 20-30 seconds and would drop all connections to streaming services, ssl vpns, etc.

     

    Post-fix, performance is better, but the connection will still drop every 5-10 minutes but it appears the connection isn't a full drop and services do maintain state. Recovery time is seemingly faster.

     

    I'm using a Verizon Fios Actiontec router, firmware version 20.19.8, 802.11 b/g/n compatibility mode, WPA2. I've tried to cycle multiple channels, but channel 1 seems to be the most stable.No problems whatsoever using connection using my iPhone hotspot capability.

     

    I'm considering buying a Airport Extreme if this will fix my connectivity issues. Previously had a 2007 MB that I recently upgraded. Never had a problem. Love the machine, but this is very frustrating.

    what makes you think the connection dropped? is it a ping test? ping doesn't tell you about lost connection, it tells you about lost packet and that is a big difference.

  • attiland Level 1 Level 1 (0 points)
    Currently Being Moderated
    Jul 24, 2013 4:01 AM (in response to eppes)

    eppes wrote:

     

    This to me looks more and more like a hw compatibility issue that they tried to solve with a software hack. It looks like i'll wait some more time before buying it...

    I presume you looked into the code

  • attiland Level 1 Level 1 (0 points)
    Currently Being Moderated
    Jul 24, 2013 4:19 AM (in response to Martin White)

    Martin White wrote:

     

    Before people all rush out and buy Apple Routers because they think the WiFi is bad with non Apple kit, please consider what I've been doing.

     

    I have a TP-Link 300M Wireless ADSL router which is a cheap B/G/N router. I've had very expensive routers in the past and they can go wrong just as well as the cheap ones so I've given up spending loads of money on wireless.

     

    Bought my 2013 MBA and it was awful. Wouldn't stay connected to anything. Not my router, not when out and about, nothing. In the end I fixed it by buying an "OpenMedia" WiFi bridge. Not sure if links work or are allowed, but here: http://www.wifibridge.co.uk/

     

    They're only something like £20 from eBay.

     

    To get my issue resolved I attached that to one of my wired devics (Sky+ Box) which allowed me to get that box online wirelessly and free up a cable, but the device is also an extender. Furthermore, the new SSID that get's created when you extend, apart from having to be on the same channel number (13 for me) can have all different settings. So I set it to wireless N only (other was mixed due to game consoles, phones etc.) and WPA-2 AES only (again, previous was mixed). It also happened that my MBA was the only device connecting to this network. I believe I also set my MTU to 1452 which was the value set in my router minus 28.

     

    My MBA then was set to only know about that SSID and those things solved my problem. All for £20. Completely solved. Obviously that doesn't solve anything for when I'm out and about so I was still on the lookout for a more general fix.

     

    I didn't know about the July 18th update until now so I just installed that. I've created a new network location that has all default settings and have just switched back to my original SSID to see how it goes. So far it looks like the connectivity is solved but I will monitor it. I'm also out and about for a week from Thursday so I will know for sure by the time I'm back if it's finally solved.

     

    None of my experiences have anything to do with speeds. I don't have any AC networks, nor am I interested in them (I have gigabit ethernet all over the house if i want speed). I bought my MBA because I wanted a new machine to replace the tablets I've had in the past and it just didn't make any sense to do anything other than wait for the new Haswell model that just so happens to come with AC wireless.

     

    Hope some of that helps someone!

     

    Martin.

    I hope may people actually read it, because you used the right way to set up your router and laptop. People have problem didn't do one of the steps, that is why they have an issue.

  • attiland Level 1 Level 1 (0 points)
    Currently Being Moderated
    Jul 24, 2013 4:22 AM (in response to rbothe)


    rbothe wrote:

     

    I have never had a problem with my new MBA and did not install the update and will likely not install it.

    You had the problem, and still have it, and will have it do as soon as you connect networks, that effected by the issue.

  • attiland Level 1 Level 1 (0 points)
    Currently Being Moderated
    Jul 24, 2013 4:31 AM (in response to tipitapp)

    tipitapp wrote:

     

    You Guys (with macbook air 2013) have the new software update for this issue. Did you tried it? (I have an 2012 MID, it is looks like too old, because Apple doesn't care about that...) :(((((

    this fix is for 2013 airs. you probably have different kind of issue.

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