Reboot kills my airport connection

Whenever I reboot my MBP, I loose my connection to my wireless router. I checked the keychain access and it is not listed (so I can deleted it and reconnect to it so it will save it). Any ideas on what I can do so it will just automatically reconnect?
Thanks!

Try the following:
If you use "Preferred Networks," instead of "Automatic" for your "By default, join" setting Location, try the following:
System Preferences > Network > Show > AirPort > AirPort tab
- Delete all preferred networks with encryption
- Add them again after manually connecting
(Note: It will be faster if you turn on "Automatically add new networks to preferred networks list" under "Options" of the AirPort network connection.)

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1. Firmware is up to date
2. All security updates are in place
3. Hard reset on AE fixed the problem for a couple of days, but no longer
4. I have a 17" Intel iMac, Time Warner cable modem
5. When the connection drops, AE light is still steady green
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Everytime I turn on Outlook, it kills my internet connection and I have to reboot the router

As the title says, each time I turn on Outlook with Office 365, it kills my internet connection and I have to reboot the router. I can still login to the router admin and do a soft reboot. This kills the internet for all the computers on my network as well.
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Is there some sort of weird port forwarding I should be using?
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Hello AyaTheBookWorm,
Thanks for using Apple Support Communities.
I can definitely understand how this is frustrating, I would feel the same way. To troubleshoot this issue please see the steps below, as well as checking out the Wireless Diagnostics.
Symptom: The network connection drops unexpectedly
Your Mac may not not stay connected to your Wi-Fi network reliably.
Your Mac may stop accessing the Internet during use.
Solution
Use these steps if your computer disconnects from its Wi-Fi network unexpectedly.
Check your range to the Wi-Fi router and reduce the effect of interference.
If your computer is too far from your Wi-Fi router or your environment has too much Wi-Fi interference, then your computer may not detect the Wi-Fi network properly. The easiest way to check for range limits with your Wi-Fi network is to move your computer or your Wi-Fi router closer together and make sure that there are no obstructions (such as walls, cabinets, and so forth) between the router and your computer.
See Potential sources of wireless interference for more information about interference and solutions.
Try connecting to a different Wi-Fi network. If your computer works fine when connected to a different Wi-Fi network, then the issue may be related to your network router or ISP. In that case, contact the manufacturer of your router or your ISP.
Wi-Fi: How to troubleshoot Wi-Fi connectivity
http://support.apple.com/kb/HT4628
About Wireless Diagnostics
http://support.apple.com/kb/HT5606
Take care,
Alex H.

Another airport connecting to internet problem! Please help!

Hi, I'm having a problem connecting to the internet on my iMac G5 running OS 10.5.8.
It initially started happening on and off after I upgraded from 10.4, now it happens all the time.
Airport connects to the network (full 5 bars and I can see the other machines on the network), but can't connect to the internet. When I run Network Diagnostics, I only get as far as Select Airport network, but it keeps scanning forever but doesn't find the network. Meanwhile my iBook G4 and a PowerMac on the same network connect no problem.
I get the Self Assigned IP address message in network preferences.
I have searched the forums for this problem, and found lots of other people having the same problem, but none of the suggested fixes have worked. The only thing I can't do is reboot the modem as it's my landlords network and I don't have access to it.
Things I have tried include:
-turning airport on and off
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-deleting airport from network preferences and adding it again
-deleting all locations and creating a new one
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-turning of the firewall
-rebooting rebooting rebooting
None of the above works. Can anyone can suggest any thing else? It's driving me crazy! I know there are lots of other posts on this topic but I think I tried all of the fixes suggested without any success.
Thanks

There is a fair chance it's a problem with the DNS settings your ISP uses. Here is what I'd recommend.
1. System preferences
2. Network
3. Click Advanced
4. Click DNS tab
5. Click + sign
6. Add 208.67.222.222
7. Click + sign
8. Add 208.67.220.220
9. Click OK.
10. Exit System Preferences
11. Try out your iMac and report what happened.
Regards,
Roger

IMac Loses Airport Connectivity

Hi,
I have two identical 20" Intel Core Duo iMacs (see hardware review below). One is at home and the other at work. I have been experiencing a problem on both computers where my Airport connection drops "randomly". After the connection is dropped ALL available networks are no longer available from the Airport menu, and won't become available again until after a reboot. I've tried toggling Airport on/off, restarting the router, waiting, and nothing but a reboot works. What is odd is that this exact same behavior happens both at home and work -- the router brand is the same at both locations (linksys) but the models are not. I have noticed that this occurs more often when I'm using more network resources (uploading a large file, for example), but that isn't always the case.
Any ideas as to what is going on? I don't have any 3rd party software on my machines that I believe could cause such behavior.
Thanks.
Hardware Overview:
Machine Name: iMac
Machine Model: iMac4,1
Processor Name: Intel Core Duo
Processor Speed: 2 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache (per processor): 2 MB
Memory: 1.5 GB
Bus Speed: 667 MHz
Boot ROM Version: IM41.0055.B08
SMC Version: 1.1f5
System Software Overview:
System Version: Mac OS X 10.4.9 (8P2137)
Kernel Version: Darwin 8.9.1
AirPort Card Information:
Wireless Card Type: AirPort Extreme (0x14E4, 0x89)
Wireless Card Locale: USA
Wireless Card Firmware Version: Broadcom BCM43xx 1.0 (4.80.79.1)
Current Wireless Network: linksys
Wireless Channel: 6
Intel iMac Mac OS X (10.4.9)

Welcome to Discussions, Scott Newman1!
There were a couple of AirPort Extreme Updates (2007-002 and 2007-003) that were meant for Intel-based Macs. I hope you have them both installed. Check your Software Update panel of System Preferences - the "Updates" half of the mini-menu bar to see whether or not they got installed. Even if they did, it will probably be worthwhile to download them straight from Support>Downloads and install them over top of what you have now. I would also do the same with the OS X Combo Update for Intel. Doing all that will not duplicate, will only fill in something missing or flawed.
After doing that, you'll undoubtedly need to delete your configuration and enter a new one using the Network panel of System Preferences. There are a couple angles from which you can approach it with some fiddling. After some fussing, a couple restarts and sitting overnight/a few hours, it should straighten itself out so that you'll never have a problem again. If not, come on back:)

Current iTunes upgrade kills ALL internet connection to computer

I'm using iTunes on Windows XP SP3. Previous versions were not a problem. I upgraded to the current version (11.0.2) and lost all internet connectivity, not just to the iTunes store, but to ALL applications; my computer reported that NO internet connection was present at all. Doing a system restore resolved this, but the upgrade left some remnant that has rendered the previously working version of iTunes inoperable; when I execute it, it suggests I download the current version to correct the problem, but of course that kills my internet connection altogether and thus is not a solution.
Googling this has indicated fixes involving:
1) Deleting the iTunesPrefs.XML file
--> That didn't work.
2) A solution involving executing "netsh winsock reset" at the command prompt and then rebooting.
--> That didn't work either.
In fact, nothing I could find online worked. I am NOT using Norton, McAfee, or any other anti-virus or firewall that would be causing the conflict. Again, I'm using Windows XP SP3, and have a direct internet feed into my computer.
What can be done to fix this? Currently I cannot use iTunes at all on my computer because of the upgrade and the havoc it's caused (the System Restore did NOT restore the previous working version of iTunes; when I execute it, it claims a component is missing and I should download and install the current version...)
Many thanks in advance,
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I'm using iTunes on Windows XP SP3. Previous versions were not a problem. I upgraded to the current version (11.0.2) and lost all internet connectivity, not just to the iTunes store, but to ALL applications; my computer reported that NO internet connection was present at all. Doing a system restore resolved this, but the upgrade left some remnant that has rendered the previously working version of iTunes inoperable; when I execute it, it suggests I download the current version to correct the problem, but of course that kills my internet connection altogether and thus is not a solution.
Googling this has indicated fixes involving:
1) Deleting the iTunesPrefs.XML file
--> That didn't work.
2) A solution involving executing "netsh winsock reset" at the command prompt and then rebooting.
--> That didn't work either.
In fact, nothing I could find online worked. I am NOT using Norton, McAfee, or any other anti-virus or firewall that would be causing the conflict. Again, I'm using Windows XP SP3, and have a direct internet feed into my computer.
What can be done to fix this? Currently I cannot use iTunes at all on my computer because of the upgrade and the havoc it's caused (the System Restore did NOT restore the previous working version of iTunes; when I execute it, it claims a component is missing and I should download and install the current version...)
Many thanks in advance,
Tom

Why won't AirPort Connect to the internet?

The green indicator light is on, why won't AirPort connect to the internet? Here's my config http://localhostr.com/files/cfee4c/Problem.zip

Hi Stress Test:
Thanks very much for the reply. I've actually sorted out the problem since posting - just a few minutes ago. I reset the AirPort and reconfigured everything in manual mode with the ethernet cord from my computer connected to the AirPort. I then disconnected the ethernet cord, rebooted the modem and AirPort, did a bit more troubleshooting and suddenly I was connected to the Internet! Still not sure exactly what I did that fixed the problem, but everything is working ok now.
Regards,
John

Security update 2007-005 and airport connection

Please help. I downloaded the security update 2007 005 on my powerbook G4 Friday night. Now I cannot get on my airport. It says there was an error joining the airport network (name of my airport) It gives me 2 options try again
or ok. i have tried everything. I even tried pinging my pc that I am on now to email this to see if I could connect with anything.But the powerbook fails to send any ping. I have rebooted, both the airport and the powerbook--several times. I have looked for information
everywhere about this both in Mac Help on my computer and online and have turned up nothing that can fix this unless I want to reinstall the operating system.
My only conclusion is that the security update did this. I was online (of course) as I downloaded the update and ever since I can not get online with the airport. Thank heavens I have a PC to get email or maybe get help through a forum like this. I have been trying to fix this all weekend. In system preferences /network status it says airport is turned on but not connected to a network when there is one. Any advice?
powerbook g4 Mac OS X (10.4.9)

I have a same problem, everything worked fine until I've downloaded security update. My Airport doesn't allow me to connect to my PASSWORD protected network. My PC is working fine. The only way is to be connected to open source. Called Mac support and they blame router (it is not mac's router). Their suggestion is to reinstall whole system (and lose software I payed for) or buy new router (macs????). So I am stuck. The advice by apple support was NOT to download updates!!!!Why on Earth do they have them????

IMac will not establish an airport connection

I realize that there are pieces of this question all over the threads and good but I am truly at my wits end and looking for any other options. I have an iMac (2.7 GHz Intel Core i5 about 14 months old) running OS X 10.6.8 and am unable to establish an airport connection (continues to get a self-assigned IP starting with 169...) with my Fritz!Box 7300 router. I can get a connection fine with the ethernet and I currently have 2 iPad's, 2 iPhone 3GS's and a MacBook Pro all working fine off of the wireless internet, it is simply the iMac that continues to get a self assigned IP address. I have attempted every fix I can find on here and google to include deleting various files (com.apple.alf.plist, com.apple.airport.preferences.plist, networkinterfaces.plist, preferences.plist) and rebooting, deleting the keychain for the router, resetting the router at various points in the troubleshooting process, changing the router channel, re-installing OS, turning the firewall on and off and anything else I can find to no avail. I had a glimmer of hope two days ago when it connected via the airport card for about two hours and then it stopped working again. I also tried to manually enter an IP address, the router information, etc. using my MacBook settings as a template and an IP address that was in my routers range, no luck. Oh, we also took it to the Genius Bar who stated there was nothing wrong with the internet on the computer. Is there a chance my airport card just went bad? Any help you can give would be greatly appreciated.

Hi, doesn't seem it'd be the Wifi card if it worked foe Apple!?
When you did the Manual IP, did your MBP get kicked off?
How many connections does your Router allow? Is the Router set to only allow certain HW MAC addresses?
Make a New Location, Using network locations in Mac OS X ...
http://support.apple.com/kb/HT2712
10.5, 10.6, 10.7 & 10.8…
System Preferences>Network, top of window>Locations>Edit Locations, little plus icon, give it a name.
10.5.x/10.6.x/10.7.x instructions...
System Preferences>Network, click on the little gear at the bottom next to the + & - icons, (unlock lock first if locked), choose Set Service Order.
The interface that connects to the Internet should be dragged to the top of the list.
If using Wifi/Airport...
Instead of joining your Network from the list, click the WiFi icon at the top, and click join other network. Fill in everything as needed.

Safari killed my internet connection

Hello everyone! I have an eMac. Im running OS v 10. Yesterday I upgraded Safari to the latest version, rebooted and lost my connection. Im now writing this on my PC (yuck!). The only suggestion I could find on the discussion board was to reinstall my OS. I have checked my airport tap and it can see the connection but only when I manually choose my network. It does not automatically connect. I get the same messages when using safari or IE, safari (ie) cont find the server. Im not able get out with any application including Yahoo, messenger etc, etc. I thought I would re-enter my encryption key to make sure it was not that and it (aport window) locked up.
Please help, Thanks in advance.

Hi Stephen,
b Welcome to Apple Discussions
While you wait for one of the real pros who assist folks, like me, here, this won't hurt.
Repair permissions via Applications > Utilities > Disk Utility.app
Some say going to apple and using the combo updater is superior to just software update. (?)

Airport connecting to next door neighbor's signal....

My friend has an iMac G4 with airport and airport extreme base station. When rebooting, airport connects to next door neighbor's signal instead of their airport base station. Any way to get it to only connect to their base station.

See Mac OS X 10.4 Help: Choosing preferred AirPort networks

Downloads interupting airport connection

Every time I attempt to download something, it ends up greatly affecting my Airport connection and at times causes me to lose connection all together. Also, I seem to lose my connection at other times but my connection still has full bars on it. Can anyone think of any reason for these things to happen? Thanks a lot for the help.

be more specific about your setup. You probably have an airport basestation and a cablemodem/router? If so, the problem might be between the basestation and the internet. Check cables, reboot them. Check settings of basestation with airport admin utility.

Netgear-airport connection trouble

Sorry if this has been raised before but I have searched the forums to no avail!
I have connected my mac to my Netgear router using no security (just limiting to my MAC addresses). Whenever I must reboot my router for whatever reason the mac connection drops and will not reconnect.
I tried rebooting and switching airport on and off. Normally to connect I must use the closed network option and maually type in my Network name "Rooney".
However when the connection drops i get an error message saying, "there was an error connecting to the network Rooney". Almost inatantly after this I recieve another message saying, "none of your trusted networks can be found, would you like to connect to the network Rooney?" If i click OK it still fails to connect.
The connection seems to randomly fix itself several days later when I have made no changes to any setting on the router or the mac. Any ideas? It is driving me crazy.
Thanks
Macbook Pro 2.33 Core Duo 17" Mac OS X (10.4.9)

I have also had this problem and I have had discussions with Netgear who temporarily fixed the problem by suggesting the creation of a new named network in the wireless settings of the Netgear control panel. However - my MacBook Pro soon drops the wireless network again when waking from sleep and as time goes on it will not join the Netgear wirless at all. My partner has an identical MacBook Pro in the adjoining room and he has no problems at all. Also all other laptops used in the house have no problems.
I have reistalled the hard drive and tried moving right next to the Netgear router.
I have also tried removing the cordless phone hub from my room as suggested on other forums as it was thought that this might interfere with the wireless signals - but still the MacBook Pro drops the network on sleeping. I never had this problem at all with my previous PowerBook.
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Hanging AirPort connection?

I have an odd problem. Every now and then, my AirPort connection hangs. It usually occurs immediately after coming out of sleep. I am running 802.11g, not broadcasting SSID, using WPA2 personal. Most of the time, it works great. Every now and then, it will indicate that the network is connected (in Internet Connect), I can run ifconfig and see an appropriate IP address, yet a ping just hangs. Even funnier, it will hang, come back for a minute or two, then hang again.
Anyone seen this? The only way to restore it ends up being rebooting, which is very un-Mac-like.
Thanks.

This sleep issue has been plaguing some mac users for at least the past year.
Not odd, not new.
I'm not sure why it happens.
but if you're familiar with Terminal and ifconfig, try this instead of rebooting:
sudo ifocnfig en1 down
sudo ifconfig en1 up
(en0=ethernet cable, en1=airport)
This may be a workaround for you

Airport connection drops under load.

Hello Community!
I have some serious Airport connection woes - whenever I heavily use the airport connection it seems to drop out every now and then. The intervals have no visible pattern, but the dropouts are directly linked to the amount of traffic going trough the Airport card.
The dropping is quickly and the Airport connection icon goes from the full 5 bars to greyed out and back. This happens at an increasing rate when it has happend for the first time after an restart.
Here's a screencast I took to illustrate the problem: [www.verpeiltaber.net/airport.mov] (Quicktime, 1.30MB)
It also drops out (invisibly) when I Skype-Out, which is extremely annoying as I pay money for that and then the other side cannot hear me anymore after such a dropout. Strangely it never kills the entire call tough. It never happens when the computer is tethered to a LAN-Cable.
I have reinstalled Leopard from scratch just two weeks ago. I upgraded from Tiger before and had the problems with that version of the Leopard install aswell. Tiger didn't exhibit the problems - which leads me to believe that this is a software issue.
The Router is a D-Link 524 with the newest aviable firmware, and has been resetted multiple times. Other computers using the same WLAN work without any hitch.
This issue has popped up in my office WLAN, which uses a Lucent Router, aswell.
I'm pulling my hairs out here - help me please!
Edit: All the latest updates are installed, like the recent Time Machine & Airport update. No third party extensions or mods are installed. The issue is operating-system - wide.

I have been having the same problem since upgrading to 10.5.2 and it's driving me nuts! Momentary disconnections every 10-15 minutes making messenger, iChat, etc. completely useless.
I purchased a 15" macbook pro for my partner 2 weeks ago - it's having the exact same issues. I'm thinking of returning the machine as I've tried everything. I have no problems with any other machine connected to my router.

Reboot kills my airport connection

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