seb101

Q: Wifi disconnects after sleep and takes long time to reconnect with Mavericks

Since upgrading to Mavericks whenever my MacBook Air goes to sleep (if I leave it idle) the wifi disconnects and it can take up to a minute to reconnect when it wakes.

 

Basically what happens is, as soon as it wakes I have no internet connection, the WiFi indicator is pulsing, meaning it is searching for networks, but it takes ages to find any, then after some time, usually between 30 secs and a minute all the networks in my building pop up and it instantly at that point reconnects to my WiFi network.

 

It is incredibly frustrating I was so used to the Mac being an instant on tool, now it takes longer to get on the internet than booting up my windows PC.

 

Any ideas what might have caused this? 

Posted on Oct 28, 2013 4:08 AM

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Q: Wifi disconnects after sleep and takes long time to reconnect with Mavericks

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  • by Jeelhaus,

    Jeelhaus Jeelhaus Mar 27, 2014 11:16 AM in response to seb101
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    Mar 27, 2014 11:16 AM in response to seb101

    Turning of bluetooth did it for me, THANK YOU! (it was driving me crazy)

  • by dmuldoon,

    dmuldoon dmuldoon Mar 27, 2014 5:44 PM in response to antzcrashing
    Level 1 (0 points)
    Mar 27, 2014 5:44 PM in response to antzcrashing

    antzcrashing - doing god's work

  • by antzcrashing,

    antzcrashing antzcrashing Mar 27, 2014 6:05 PM in response to dmuldoon
    Level 1 (0 points)
    Mar 27, 2014 6:05 PM in response to dmuldoon

    thanks for the props, but I'm not the only one to put time into this!  Hopefully we can get people to quickly find an answer to their problems and get apple to fix it soon

  • by Serge.B,

    Serge.B Serge.B Mar 29, 2014 8:04 AM in response to seb101
    Level 1 (0 points)
    Mar 29, 2014 8:04 AM in response to seb101

    It seems to come from bluetooth preferences.

    Try to delete the "com.apple.Bluetooth.plist" in the "/Library/Preferences/" folder and then reboot your Mac.

    It works fine for me on a MBA Mid-2013.

     

    Be carefull if you have only bluetooth keyboard or mouse : this will disconnect them and you'll have to pair them again.

    More details for french users here : http://www.souslestoits.net/wifi-et-sortie-de-veille-sur-mavericks/

  • by Austegui,

    Austegui Austegui Mar 29, 2014 3:44 PM in response to David in Germantown
    Level 1 (0 points)
    Mar 29, 2014 3:44 PM in response to David in Germantown

    This Solved it for me, thanks.

  • by sampandi77,

    sampandi77 sampandi77 Mar 29, 2014 4:47 PM in response to seb101
    Level 1 (0 points)
    Mar 29, 2014 4:47 PM in response to seb101

    It's annoying. I have this problem too with my 15" MBP Retina.

    What I did to connect faster is to turn the wifi off  for a second and then turn it on again. It is much faster than waiting the system to reconnect.

  • by Serge.B,

    Serge.B Serge.B Mar 30, 2014 1:26 AM in response to sampandi77
    Level 1 (0 points)
    Mar 30, 2014 1:26 AM in response to sampandi77

    @Sampandi77 Did you tried to reset your bluetooth preferences file as I suggested just above ? This has not solved the problem for you ?

  • by mikkelnl,

    mikkelnl mikkelnl Mar 30, 2014 1:34 AM in response to seb101
    Level 1 (5 points)
    Mar 30, 2014 1:34 AM in response to seb101

    Seriously guys, all these 'fixes' repeat in this thread, and none are proven to work, the problem always returns shortly.

     

    Don't get me wrong, I appreciate the effort, but these fixes are mentioned several times here, and none work 100%.

     

    It's up to Apple to fix the problem, but they simply are ignoring us so far it seems

  • by csavvaCY,

    csavvaCY csavvaCY Mar 30, 2014 1:38 AM in response to mikkelnl
    Level 1 (0 points)
    Mar 30, 2014 1:38 AM in response to mikkelnl

    SOLUTIONS:

     

    A: The "stupid" way:

     

    1) Disable your Bluetooth if you don't need it

     

    or

     

    2) Buy a new Airport Express or Time Machine.

     

     

    B: The more "realistic" way:

     

    Do all these easy steps

     

    1) To change the Networking Service Order go to Preferences --> Network, press the Gear Wheel in the lower left of the window, choose the "Set Service Order..." option. A new window will appear with different kind of connections.

    Drag your Wi-Fi connection to the top. Press OK, and then Apply.

     

    2) Also select your Wi-Fi connection and press "Advanced". Then drag your preferred wifi hotspots to the top and click OK and then Apply. (Not sure if the step above makes this redundant but it won't hurt doing this as well)

     

    3) Open iCloud services in Settings and un-tick "Back to my Mac".

     

    4) Hit a restart of your Mac.

  • by mikkelnl,

    mikkelnl mikkelnl Mar 30, 2014 2:18 AM in response to csavvaCY
    Level 1 (5 points)
    Mar 30, 2014 2:18 AM in response to csavvaCY

    Thanks for the input, but like I said above; this fix has been mentioned before and won't work (for most anyway) for a long time - the issue will return eventually (mostly within a few hours / days max).

  • by antzcrashing,

    antzcrashing antzcrashing Mar 30, 2014 6:37 AM in response to mikkelnl
    Level 1 (0 points)
    Mar 30, 2014 6:37 AM in response to mikkelnl

    I have been following this thread for awhile and we are creating confusion for every new person that reads this thread.  When they go to the last pages, to get the latest info they just see a lot of confusing info.  They are seeing alot of suggested fixes, trying them and they dont work, or they do work, but there are so many suggestions that no one knows what to try.  So I have a proposal. Lets do this right.  Copy and paste this post.  If you try one of the suggestions and it works for you, bump up the "success count", if it doesn’t bump up the failure count.  Because when multiple people have something working we can have confidence it should work for us.

     

    Problem:

    Since upgrading to Mavericks whenever my MacBook goes to sleep (if I leave it idle or if I close the lid) the wifi disconnects and it can take up to a minute to reconnect when it wakes. When searching the web you get the message “Not connected to the internet”

     

    Why it happens:

    Wifi and Bluetooth conflict with each other when the computer wakes.  If a bluetooth device was paired, and was disconnected while the mac was sleeping, the mac will first look to repair that device.  Since the device does not allow the mac to pair, the mac continues to search for it for up to 1 minute and then will timeout and allow the wifi to ocnnect.

     

    How to test it:

    Close the lid of your mac to let it sleep, open it and login, does it take 0-5 seconds to connect Wifi (Wifi icon becomes solid black and can surf the web) if so you are good.  Else if wifi icon is gray or shows searching and you cannot surf the web for 30s to 1 minute or until you select your wifi network you have the problem.

     

    Potential ways to get around this (Please add to success/fail count as you test! )

     

    1) EASY - Turn off Bluetooth (Top Right corner menu bar Bluetooth Icon > Turn Bluetooth Off, icon will become gray)

    Test it works: Turn bluetooth off, close lid, open, and surf web

    Disadvantage: Obviously you cannot use bluetooth.

    Success Count: 100+     

    Fail Count: 0

     

    2) MEDIUM - Delete the plist and reboot your mac (Open finder, select ‘Go’ at top menu bar, ‘Go to folder’ > Library/Preferences, delete this folder if you have it: SystemConfiguration (if you have it) and this file: com.apple.systempreferences.plist(More info https://discussions.apple.com/docs/DOC-4301)

    Test it works: Turn Bluetooth on, close lid, open, and surf web

    Disadvantage: Issue returns if after doing this fix, you disconnect a Bluetooth device while the mac is sleeping.

    Success Count: 1     

    Fail Count: 0

     

    2) EASY – If you have unpaired a Bluetooth device while mac was sleeping, repair that device.  Unpair it while mac is awake.

    Test it works: Turn Bluetooth on, close lid, open, and surf web

    Disadvantage: You must have the device available of course

    Success Count: 1     

    Fail Count: 0

     

    3) EASY - Allow Bluetooth devices to wake this computer (Top Right corner menu bar Bluetooth Icon) > Open Bluetooth Preferences > Advanced > Uncheck Bluetooth devices to wake this computer

    Test it works: Turn Bluetooth on, close lid, open, and surf web

    Disadvantage:

    Success Count: 0     

    Fail Count: 1

     

    4) EASY - Disconnect all bluetooth devices (Top Right corner menu bar Bluetooth Icon) > Open Bluetooth Preferences > Remove all connected devices

    Test it works: Turn Bluetooth on, close lid, open, and surf web

    Disadvantage:

    Success Count: 0     

    Fail Count: 1

  • by sampandi77,

    sampandi77 sampandi77 Mar 30, 2014 7:23 AM in response to antzcrashing
    Level 1 (0 points)
    Mar 30, 2014 7:23 AM in response to antzcrashing

    Turning bluetooth off? I won't consider it a solution. It is like saying, don't put your MacBook to sleep or don't close the lid.

  • by antzcrashing,

    antzcrashing antzcrashing Mar 30, 2014 7:32 AM in response to sampandi77
    Level 1 (0 points)
    Mar 30, 2014 7:32 AM in response to sampandi77

    That's why I call it a workaround

     

    "Potential ways to get around this (Please add to success/fail count as you test! )"

     

    If you want apple to fix this, send them feedback!  Once you have sent apple feedback you have done your part - its like voting on election day

  • by Bruce Delaplain1,

    Bruce Delaplain1 Bruce Delaplain1 Mar 30, 2014 8:30 AM in response to antzcrashing
    Level 1 (63 points)
    Desktops
    Mar 30, 2014 8:30 AM in response to antzcrashing

    My situation is different, but my problem is exactly the same. My Imac (with OS 10.6.8) takes a long time to connect to the internet after sleeping.

     

    It started happening somewhere around the time I replaced my modem with a "gateway" that supports wifi. I use the wifi with my ereader (rarely) and my new printer (always "connected" -- not often used). My computer is still hard wired to the gateway via ethernet.

     

    At this point, my bluetooth is and has been off.

     

    Is there some similar fix or workaround for me?

     

    Thanks for any advice!

     

    Ps. At night I set my energy saver to put the display to sleep immediately and the computer to sleep within a half hour or so. They also sleep fairly often during the day.

     

    Comcast has been out several times to fix problems that seem to be their's, but now I'm thinking it's the computer.

  • by jsalord,

    jsalord jsalord Mar 30, 2014 9:02 AM in response to seb101
    Level 1 (0 points)
    Mar 30, 2014 9:02 AM in response to seb101

    As I said weeks ago in this post, I solved this issue deleting file /Libary/Preferences/com.apple.Bluetooth.plist and rebooting.

     

    But after that I still experienced aparently random wifi drops. Later I related this drops also with our dear bluetooth (when searching bluetooth devices in preferences ping gets 35% packet loss).

     

    This taked me to a another thread (https://discussions.apple.com/thread/5100655?start=1470&tstart=0). As explained there by @Headset (in section "A howto:" of the post) I decided to "downgrade" the wifi driver and it worked: wifi drops stoped.

     

    Well, now I wonder if this driver downgrade can also solve the reconnecting problem. I can't test it because I don't have the issue anymore, but maybe anyother in this thread can.

     

    PLEASE, If trying to downgrade driver, make a copy of the maveriks original driver somewhere so you can revert it following the same procedure. Note that you have to unzip the file before to copy it.

     

    thanks

     

    MBPr 15" Late 2013 - Mac OS X 10.9.2

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