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Wi-fi not automatically connecting to home network upon waking from sleep?

Since upgrading to Lion 10.7.2, my 2007 MBP will not automatically connect to my home network upon waking from sleep. I must manually select my wifi network to establish a connection. In my network settings I have the box that says "Ask to join new networks" checkmarked (it also says "Known networks will be joined automatically."). My home network is listed at the top of my preferred network list. Is there a fix for this?

Macbook pro, Mac OS X (10.7.2), 2007 17" Macbook Pro

Posted on Oct 23, 2011 12:14 PM

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50 replies

Apr 25, 2013 9:37 PM in response to surf1der

Perfection... Thank you!! Who knew how annoying selecting your network everytime you opened up your macbook could be?




Re: Wi-fi not automatically connecting to home network upon waking from sleep?


Apr 16, 2012 6:30 PM (in response to surf1der)


It may be a problem with the connection information stored in your network profile.

  1. Go to System Preferences > Network.
  2. Click the Wi-Fi connection.
  3. Click the Advanced... button on the bottom right.
  4. Click the Wi-Fi tab.
  5. Under Preferred Networks, select your wireless network.
  6. Click the - (delete) button.
  7. Turn off your Wi-Fi connection.
  8. Turn it back on.
  9. Select and login to your wireless network. This will re-save your connection under Preferred Networks.
  10. Close your laptop and reopen it to test whether it worked.

Aug 16, 2013 7:46 PM in response to joshuafromauburn

I also found that once you delete the network from your preferred list, you can re-add it manually with the + button without having to turn your wifi off and then back on.


The problem for me was that my home network was saved to my preferred list before I made it secure, so it was not able to connect automatically because it had the wrong security settings saved. Once I added it back on manually, which required me selecting the correct security settings, everything was perfect again.


Best of luck to everyone!

Nov 20, 2013 8:22 PM in response to surf1der

Resetting the SMC worked for me also, silly how easy that was after 2/3 months of the wireless not reconnecting. I had to turn it off then on to connect most times.


Works great now.


FYI - I held down the shift-control-option and power for 3/4 seconds. Then restart, there is no obvious indication you did anything so do not expect feedback. It just works that easy.

Dec 15, 2013 12:27 PM in response to surf1der

None of that worked for me, but what did work was deleting the network and then also deleting the stored network password in the Keychain (using the Keychain Application.. delete them in both the iCloud and System areas), before re-establishing the network again (which will then put the same passwords back in the Keychain). Don't know why this should make such a difference, but it seems deleting a network does not delete all traces of it in the Keychain, or at least, not in the right way.

Jan 31, 2014 12:45 AM in response to mauricefromsainte-louise

I may have found the explanation for this issue, at least on my box.

I upgraded from an up-to-date 10.8 to Mavericks, the auto connection never worked for me (MBP Retina 15" Early 2013).

Tried reset the PRAM and SMC, didn't work.


But I noticed that the preferred networks list (under Network Preferences, Advanced, Wifi tab) was empty. it shouldn't be, I had a lot of network configured.

Deleting the wifi authentication entry in the keychain and recreating the wifi connection made the job. I guess that clicking on "+", and then in "Select network" would have done it as well.

Hope this helps

Wi-fi not automatically connecting to home network upon waking from sleep?

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