Self-assigned IP****cannot connect to university wireless network

After i installed snow leopard I cannot connect properly to my university network. It says that a self assigned IP and cannot connect to the internet.
I have tried many things but nothing seems to change this problem
I need to be able to connect to the internet at school.

I have the same problem with the Exchange server at my work. Once I loaded Snow Leopard, no access. I can get on my Time Machine at home fine and can even access the open WAP at work, but since Snow Leopard access to the Exchange server is gone. The hype for Snow Leopard says easier access to Exchange services but I can't find any info on what that means anywhere. Anybody find the Exchange info?

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My Toshiba Laptop was preinstalled with Windows 7 Home premium 64-bit OS, and it had been working quite well with the wireless BB. However, the wireless internet connection was on and off within recent weeks, while the other mobile devices, such as iphone, ipad, or laptop, in my household had no such problem. The wireless signal was so strong, but the error message always said 'Windows cannot connect to the wireless networking'. It seemed there was something wrong with the wireless adapter.
I got a new TP-Link wireless adapter properly installed. Luckily, this worked; but unluckily, this worked for less than 24 hours. It was really frustrating that I, as a full-time student, depended so much on wireless networking.
Please help!!! Harry

Hi there
You may want to enlighten us with:
- What model are You using (f.ex. L300-123)
- What BIOS version is installed?
- What WLAN driver are You using?
All these questions are answered in PC Diagnostics found under Toshiba app folder in the start menu.
BR
Tom

MacBook Pro cannot connect to a wireless network

I am having the following problem with my MacBook Pro trying to connect to a wireless network using a 2WIRE Gateway wireless Router from Bell that worked perfectly until last night. My network preferences pane is saying "AirPort has the self-assigned IP address 169.254.227.XX and will not be able to connect to the Internet." I'm not a techie and I've tried everything I know and cant get my MacBook to connect to the internet using the wireless network in my home. I'm using ethernet connected directly to my router for this! It's killing me. Any help would be greatly appreciated.
Thanks in advance.

OK. The wireless network was selected. In the Preferences / Network pane I removed Airport by selecting it and hitting the - button and then created a new Airport by hitting + and selecting Airport. I'm getting the same result. Full network signal once the ethernet cable is connected. Greyed out icon with ! once I remove the ethernet cable and no internet. I appreciate your help so far. Any other thoughts? We also have an iPad, iPhobe, iPod, and two iMacs on the same network. All of them are connected no problem. My Macbook also still connects to the network in my workplace no problem. This all just started happenening yesterday and I don't believe I changed or upgraded anything. I just came home and it had stopped working.

Airport has "self assigned ip", no connection to internet but network ok

This is weird... the internet connection was working OK on my G5 desktop yesterday, today it doesn't... my work computer I brought home connected fine a few days ago but now it doesn't, the MacBook Pro I am writing this question with is working fine (hope it holds on to the connection!), our 2 iPhones are connected too. In the network settings for airport it says "self assigned ip address". Thanks in advance for any tips to correct this issue. Is this a glitch in the latest system update?

I solved my problem by reinstalling 10.5.5 and not doing the updates to 10.5.7. I don't know for sure if it is the update to 10.5.7 or the airport updates that caused my problem.
I out my old drive back in my Macbook and I had wireless again. So I out my new drive in and did the reinstall and now it works. There is a conflict with either the 10.5.7 update or the Airport update.
APPLE REALLY NEES TO FIX THESE ISSUES. you can read about them all over the internet. Many have just updated to 5.7 and then they have a problem.
So archiving and reinstalling 5.5 solved my problem. My old drive has 5.6 and it works. If had a copy of 5.6 I would have used that.
I will try doing another update to 5.7 and see if it still works. If that works I will update the airport.

My AirPort has no ip address and I cannot connect to the wireless network. What should I do?

My wireless network is in the residence at my university so I cannot reset the router or modem.
I am seemingly the only one with this problem.
I have tried many things to attempt to make it work, yet they have all been unsuccessful.
What can I potentially do to try and make this work?

Well, what else is connected to your airport? Look at the network name it is using.

Lenovo 3000 N100 notebook cannot connect to my wireless network

Hello,
this is my first post. I am new member. I also am a very novice/amateur computer user and so I need some help from some pros or anyone that has experienced a similar problem and can help fix my laptop. I have a Lenovo 3000 N100 laptop model number 0768 6EU. About a week ago I updated/downloaded a bunch of software upgrades from Lenovo's website recommended for this computer. Prior to this download I was able to connect to my wireless home network. But after the download of various required/recommended software upgrades it no longer connects to the wireless home network. my other laptops connect so I know that it is not my wireless router. I have tried various things recommended by the ThinkVantage access connection on my computer but I get the following on that: signal strength: 0%, status: disconnected, IP address: not assigned. I also ran the diagnostic tools and it gave me the following: connection status: disconnected, cause: wireless stack initialization failed, error code: 118, recommended action please check the wireless driver installation. I even went to the Intel wireless 3945 abg hardware properties window and pressed the tab to revert back to the prior driver for the wireless card. I would appreciate any help. I know this message/post is long but it is the only way I can explain what is going on

Hi
I have this problem also with my Lenovo 3000 V200.
Sometimes when I boot up the PC it will connect to the network and everything works just fine.
At other times, after boot, the "wireless stack initialization failed, error code: 118" problem occurs
and the only way to solve it seems to be a PC restart. Nothing else I do will bring the network up.
If I study the Networking tab in Task Manager it indicates that no adapters are available (wired eth.
access also fails). At a few occations connectivity have failed alltogether (i.e. a reboot have not solved
the problem). Last time this occured I had to reinstall the complete system (from a previous backup)
to get networking up.
I have tried different versions of Access Connections (5.02, 5.12, 5.21) and the same problem occurs
at seemingly random instances in time. This is obviosly a problem with the Access Connections software
since the Wireless networking works fine when I let windows manage it...
Anyone with a fix?
/Fredrik

Cannot connect 8500a to wireless network

i input the mac address during wireless network install but cannot connect printer to network

Do you have MAC filtering enabled? The printer will not like it plus it is not in the least a security measure. I recommend disabling MAC filtering and just set the encryption to WPA2 with a strong, 13+ character, passphrase.
Say thanks by clicking "Kudos" "thumbs up" in the post that helped you.
I am employed by HP

Cannot connect macbook to wireless network

Hey, I wonder if someone can help? I live in the uk & want to connect my nephew's macbook to his home wireless network.
His network is run off a Windows based pc, I have read in the forums that this is ok. He has a rather old pc that has no wireless card so I have installed a Netgear usb adaptor which runs just fine. The pc can "talk" to the Orange Livebox (Livebox -3660) and the pc can connect well, to the internet via the Livebox. So I have a stable internet connection.
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On the macbook there is no signal reading at all, airport is scanning for a network,it finds Livebox-3660 ok but when we enter the password the macbook says cannot connect!
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When I take the macbook home to my house, it connects immediately to my imac....full signal no problems. All systems go...
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Sorted it!

HT4623 Updated iPhone 5 software to iOS 6.0.2 and now cannot connect to my wireless network (TWC).

Just updated iPhone 5 software to iOS 6.0.2, and now unable to connect to Wireless (TWC). Anybody know the secret?

Contact your cellular carrier. I found this guide to all cellular carrier contacts from Apple:
http://support.apple.com/kb/HT1937
... but I have to say I did not find TWC in there. I hope you know how to contact them.

Airport self-assigned IP not connected to internet

Hi, Could someone please help with my problem - I have been hacking away at this for 2 nights with no success. I have 3 computers trying to connect to the internet using an Airport Extreme.
-AirPort Extreme is set up and not reporting any problems
-my MacBook Pro (10.6.6) is wirelessly connecting fine
-my MacBook (10.5.8) used to wirelessly connect fine, but since a reboot of the AirPort Extreme on the weekend it has not connected. AirPort is On with message "AirPort has a self-assigned IP address and may not be able to connect to the internet". There is an IP address of 169.254.122.47
-my G5 (10.5.?) is also showing a self-assigned IP when connecting wirelessly
I have rebooted modem and AirPort Extreme, changed passwords on the wireless network, updated AirPort Utility, connected via ethernet (works fine)
Getting desperate - any help much appreciated

try the suggestions by Tesserax and *Bob Timmons* in [this|http://discussions.apple.com/thread.jspa?messageID=12983661&#12983661] thread.
JGG

Hello, my sister her macbook pro cannot connect to our wireless internet. My imac however can, so the problem has to do with her laptop. We were wondering how we could solve this problem? Thank you very much in advance!

Hello, my sister her macbook pro cannot connect to our wireless internet. My imac however can, so the problem has to do with her laptop. We were wondering how we could solve this problem? Thank you very much in advance!

We did that, but it just doesn't seem to be able to connect. So basically we tried to connect to our network and insert the password, but afterwards it does nothing. Weird thing is also that the network symbol (top right of the screen) says that it has been connected, but when I go look at the system preferences --> network, it states that it has not been connected

Since upgrading to Mountain Lion I cannot connect to my wireless router

Since upgrading to Mountain Lion I cannot connect to my wireless router. I have 2 wireless networks in my home. One is the primary whuch all of my devices connect to. The other is for backup only. I cannot connect to the primary with my iMac but have no trouble with any of the other devices which include iphones and ipads.phones and iPads. I can however connect to the backup without a problem. I have tried upgrading the firmware of the router as well as changing the security from WEP to WPA-2, no luck. Can anyone help?

Try this, it's for information.
In Finder, open the Go menu, press and hold the option key, 'Library' will appear on the menu, click and scroll to Application Support, open the folder and scroll to 'AddressBook-v22.abcddb'. Click on the file and press Command-I. Towards the bottom you'll see Permissions, tell me what they are please.

Self-assigned IP - No connection

I have a perfectly fine IP address when I'm hardwired, and a full signal, but no internet connection. Here's the steps I've taken. What am I missing?
-Obtained a valid IP address and connection by connecting my Powerbook G4 to my cable modem via ethernet.
-Turned off my computer, unplugged the cable modem, and let them sit, powered down, for over thirty minutes.
-Plugged the modem and Airport Base Station together via ethernet cord.
-Plugged the power into the cable modem. Waited for it to boot completely.
-Plugged the power into the base station. Waited for it to boot completely.
-Booted my laptop. AirPort: On. Full signal. No internet connection.
-System Preferences>Network>Network Status: "Airport is connected to the network home. AirPort has a self-assigned IP address and may not be able to connect to the internet."
-System Preferences>Network>AirPort> Configure IPv4: Using DHCP; IP Address: 169....
-Released and Renewed. Turn AirPort on and off. Released and Renewed again. Still 169 IP.
-Called ISP, said I was getting a good signal, problem must be on my end.
-Ran Network Set-up Utility. Get this error: Your computer could not connect to the Internet. Click OK to go back and change your network settings, and try again.
-Fails, fails, fails.
What is wrong? What am I doing wrong? And how can I make it right?
(All my software and firmware is up-to-date)
Powerbook G4 12 inch Mac OS X (10.4.5)
Powerbook G4 12 inch Mac OS X (10.4.5)

PrincessofMars,
I am getting the same issue. I just moved and got a cable modem from my internet company and went to set up my airport, old snow version, and I can't get both of my computers (pre-intel Mini and old ibook) to both work at the same time. I have been getting the "Self-Assigned IP - No connection" message as well. I have my mini working with the airport, but I can't get the laptop to work and I don't want to have to keep plugging in and unplugging stuff just to get the computer I am working on to connect to the internet.
Is it time possibly for me to just upgrade to a new Airport system?
- Sanjuany
I have a perfectly fine IP address when I'm
hardwired, and a full signal, but no internet
connection. Here's the steps I've taken. What am I
missing?
-Obtained a valid IP address and connection by
connecting my Powerbook G4 to my cable modem via
ethernet.
-Turned off my computer, unplugged the cable modem,
and let them sit, powered down, for over thirty
minutes.
-Plugged the modem and Airport Base Station together
via ethernet cord.
-Plugged the power into the cable modem. Waited for
it to boot completely.
-Plugged the power into the base station. Waited for
it to boot completely.
-Booted my laptop. AirPort: On. Full signal. No
internet connection.
-System Preferences>Network>Network Status: "Airport
is connected to the network home. AirPort has a
self-assigned IP address and may not be able to
connect to the internet."
-System Preferences>Network>AirPort> Configure IPv4:
Using DHCP; IP Address: 169....
-Released and Renewed. Turn AirPort on and off.
Released and Renewed again. Still 169 IP.
-Called ISP, said I was getting a good signal,
problem must be on my end.
-Ran Network Set-up Utility. Get this error: Your
computer could not connect to the Internet. Click OK
to go back and change your network settings, and try
again.
-Fails, fails, fails.
What is wrong? What am I doing wrong? And how can
I make it right?
(All my software and firmware is
up-to-date)
Powerbook G4
12 inch Mac OS X (10.4.5)
Powerbook G4 12 inch Mac OS X
(10.4.5)

My imac show self assigned IP when connected to Wi Fi Router. Any Solution Guys., My imac show self assigned IP when connected to Wi Fi Router. Any Solution Guys.

My imac show self assigned IP when connected to Wi Fi Router. Any Solution Guys., My imac show self assigned IP when connected to Wi Fi Router. Any Solution Guys.

Who is your ISP?
Power-Cycle the modem... and then ower-cycle the router...then finally power-cycle your computer.

Cannot connect Airport express wireless

Hello, cannot connect airport express wireless to linksys router. Connected now with ethernet cable but cannot figure wireless connection. My laptop cannot find the express while preforming setup scan, yet I'm connected to it. I can connect with my iphone but not wirelessly. Any suggestions?

....I was then told over the phone that airport express will not connect to third party routers.
This is NOT correct.
The AirPort Express will connect to a wireless network if you know the following:
1) The name of the wireless network
2) The exact setting for wireless security that the network is using
3) The wireless network password
Most users know 1) and 3), but very few know the exact type of wireless security settings that their wireless router is using. The Express will not connect to the wireless network unless it receives all of the information listed above.
So...we will assume that you know the name of the wireless network and the password for the network.
Do you know the exact type of wireless security setting that your wireless router is using? If not, the Express will not connect.
You may need to check the setup of your wireless router....or if the router was supplied to you by an Internet Service Provider, they may be able to tell you what type of wireless security setting is being used.
Post back when you have this info and we will proceed. There are still no guarantees that the Express will connect....but at least there may be a chance.

Self-assigned IP****cannot connect to university wireless network

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