AirPort Auto Connection Fix

I figured this may help some of those who have been experiencing AirPort autoconnection issues (waking from sleep or reboot):
1. Go to Finder > Macintosh HD > Library > Preferences
2. Pull SystemConfiguration folder onto the desktop
3. Restart
4. Go System Preferences > Network
5. Select “New Location” under the Location drop down menu and give it a name
6. Select “Airport” under the show drop down menu
7. Go to By default, join: and you can leave it on automatic or with preferred networks and select or add your network
8. Click “Apply Now” and all should hopefully be golden
9. If all is good, trash the folder on your desktop
Hope that helps. If it does, post your response here. I've tested this on a MBP with AirPort issues and as far as I know, this is the only method that permanently fixes the problems.
Tuan
MacBook Pro 2.16Ghz Mac OS X (10.4.5)

this may seem like an odd thing to say, but you
really don't need to shutdown/reboot your mac very
often - putting him to sleep i find is sufficient! i
have exactly the same problem as you and go through
exactly the same process after reboots, but this
rarely happens so i'm not too fussed.
to be honest, my old windows pc had the same problem
- kept having to "repair the wireless connection"
each reboot which is essentially turning wireless
off/on then renewing your ip address.
wouldnt worry too much about it. ethernet is the way
forward anyway, if your at a desk that is!
It's not the way it should work. It should always establish connections to selected/prefered networks. It's a pain in the butt to work this way. I run Wintels and Macs and do not have to go thru this. Even running XP on my MacBook Pro does not have these issues.
Almost certainly, there is a problem Houston. It can be resolved by a fresh install or, as mentioned, deleting the keychains. In XP, I just deleted the wireless card in System/Hardware and then re-booted and went thru the found new hardware and set up correctly and no problems.
William
PS: I use static IP's, I don't like using DHCP.

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Kristian,
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Fix for Airport Wireless Connection Problem stating Self-Assigned IP and not wanting to connect in Lion OSX.

Fix for Airport Wireless Connection Problem stating Self-Assigned IP and not wanting to connect in Lion OSX.
Bought my girlfriend the newest Macbook Pro 13" and began experiencing problems with my wifi the moment we got home. Her Macbook would not connect to our home Wi-Fi while my old Macbook Late 2008 running Snow Leopard connected without a problem. Airport would say that it had a Self-Assigned IP address (168.x.x.x). Did not realize it was a Lion problem until after using her Macbook Pro and becoming jealous of the new OSX, I upgraded. Soon after I was unable to go online. Luckily I had my iPad 2 and I began to scoure the net for help. Ran into allot of suggestions but it was not until I tried the following all together was I able to share the good new, from my Macbook. Hope this works:
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Cheers.

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scott;
Your problem may have to do with the age of your router. My old router does have the same problem.
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I know how to clear up the problem but it is annoying that it happens in the first place.
I like to get a show of hands of others that run in to the problem.
cheers,
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So I am not the only one.
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Try the following...
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- Restart, or log out then back in.
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So you have the apple rotuer called a time capsule and you have complete the frist time machine back up? but there is not internet access ?
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Opem airport utiltiy on your Comptuer :
What is the IP ? > if its 169.254.xx.xx > its a self assigned
Try power cycling the Internet source for up to 1 mintue and make sure all the lights turn off.
In Airport Utility Version 5.5.3 / 5.6.1
Gi > Intenret > conncetiong sharing > Is it off bridge mode change it to share a public Ip address
In airport Utility version 6.0/6.1
Edit > network > rotuer mode : Should be DHCP and NAT unless you use PPPoE to conecnt to the internet then this is automatically invoked.

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Deleting the keychain with Keychain access worked.
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Welcome to the discussion area!
I am assuming that your drive is correctly formatted in Mac OS Extended (Journaled) or FAT 32. If it's formatted as Windows NFTS, the drive will not appear.
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The title says it.
While my computer connects automatically to some (maybe all but one) of my preferred networks, it now does not connect, annoyingly, to the one I use the most often (let's call it NET).
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No idea. You could try deleting the file
/Library/Preferences/SystemConfiguration/com.apple.airport.preferences.plist
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From http://www.macsonly.com/ , today
not tested :
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AirPort Auto Connection Fix

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