Cannot connect my MacBook but every other device will

my MacBook pro, iPhones, iPad, iPod all connect but it says I have the wrong password which is not possible since all the others are connecting now.
Any ideas? I have restarted both devices twice. It all started after I connected a ATT Microcell.

When it tells you that you have the wrong password, do you at least get prompted anywhere to type it in manually?
Try to delete it from the keychain.

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IMac cannot connect to internet, but all other devices can?

Ok So I have an iMac, two iphones, and a mac book air in the house. The mac book and iphones can connect to my chinese tp-link router, and connect to the internet wirelessly just fine. The iMac however, everytime I tried to connect to the internet via the Wi-Fi signal through the tp-link router, the wifi signal on the very top right hand corner of the screen has an exclamation mark on the wifi bar, and it says Alert: No Internet Connection. The ethernet works fine connected directly to the iMac, and I can access internet via ethernet wire setting, but not wifi-setting from my tp-link router.
What I've narrowed it down to:
It is not the problem with the router, because it is configured so that every device I've tried, except for the iMac works with the router.
It is not the problem with my internet connect, because all other devices works, except for iMac.
It is not the problem with my internet card on the iMac, because I was able to connect with an airport extreme about two weeks ago via wirelessly.
It is not the hardware problem, like I said, ethernet socket, internet card, they all work.
It has nothing to do with the software update, the software is up to date, running on Mac OS X, Version 10.7.2 lion.
It has to be a software issue, something to do with the configuration of the network.
I've already looked everywhere on the apple discussions, I found similar problems, but they were either unresolved, or unrelated to my problem. So what did I mess up on?
Best
Brian

Hi everyone
I have the exact same problem! My imac, operating with 10.7.2 will not connect and has the ! over wifi icon. (sadly connecting the ethernet cable and disconnecting again didn't work for me).
My MacBook is running with os 10.6.8 and works with the router although now I can't update the operating system or I'll have the same probs with Macbook!
So, I've spent most of this week back and forth with apple support, TP-Link and ISP. (all firmware for router completely updated) and nothing's worked.
I have been told by an apple senior technician that the TP-LINK router is not compatible with computers operating with os10.7.2 and I need a different router.
Just thought I should let everyone know to save you wasting loads of money on phone calls like I just did!
take care

My IPad won't connect to wifi but but the other devices will, My IPad won't connect to wifi but but the other devices will, My IPad won't connect to wifi but but the other devices will, My IPad won't connect to wifi but but the other devices will

Are iPad won't connect to wifi but are other devices can

Start here then. Ther are so many different things that you can try.
iOS: Troubleshooting WiFi and network connections
http://support.apple.com/kb/TS1398

New to the iphone, I cannot connect with the bluetooth to other devices, any help?

I have a new IPhone 4, I cannot connect with other bluetooth devices - any help??

What, exactly, are you trying to pair your phone with? These are the only supported bluetooth profiles:
http://support.apple.com/kb/ht3647

Mail can't connect to servers, but every other program can

I've seen a lot of posts about problems with Mail where the Connection Doctor says there is a connection to the server. I suddenly can't connect to any of the servers that download to Mail (so it is unlikely that I went in and changed all of the settings), but I can connect to the internet with every other program, and can check my .mac mail online.
The problem started WHILE Mail was open. I checked mail at 8.30 and it was fine; at 9.00 I was no longer able to send or receive mail.

Suzanne,
Can you still send, is it only receiving that is stymied?
In System Preferences/Advanced/Proxies has anything gotten selected?
Ernie

Apple TV won't connect to the network, but all other devices will.

It's just the apple tv. my computer, iPhone, iPad all connect to the wireless no problem but all of the sudden the apple tv says it cannot connect to the network. I tried powering down the apple tv and tried resetting it but it will not connect. any tips? thanks!

Apple TV (2nd and 3rd generation): Troubleshooting Wi-Fi networks and connections

Itunes 10.5 wont launch but every other version will

As in the title, wanting to update to ios5 needs itunes 10.5 but once installed it wont launch. Its not in the processes, and so far every other trick in the book suggested on the internet (clean uninstall/reinstall, deleting the preferences file i forget the name of, cleaning out the temp folder) nor do i have a virus/malware and have tried with every type of anti-malware uninstalled so there could be no problem and finally ive tried the whole msconfig start-up lark to no joy. Quick time works fine as well.
But its not a case of itunes wont work full stop, any version before works perfectly fine without any glitches.
Any ideas at all?

oh also, theres no error messages either

Ipad not connecting to Internet, but all other devices are

I'm using the original airport express...have a macbook pro and ibook connected to the wireless network and everything works just fine. Had my ipad 2 connected last night and it was working great. All of a sudden this morning it started showing a full airport signal but get a "Cannot Open Page...not connected to the internet" message.
In my ipad settings under my network I'm getting an IP address and Subnet mask but nothing under Router or DNS.
I have tried resetting ipad, airport, and router. Have tried renewing lease, and forgetting network.
I've been searching the internet for hours for other suggestions and can't find anythingt that's working or that I understand. Any help would be greatly appreciated. Thanks in advance.

Look at iOS Troubleshooting Wi-Fi networks and connections http://support.apple.com/kb/TS1398
iPad: Issues connecting to Wi-Fi networks http://support.apple.com/kb/ts3304
iOS: Recommended settings for Wi-Fi routers and access points http://support.apple.com/kb/HT4199
Additional things to try.
Try this first. Turn Off your iPad. Then turn Off (disconnect power cord) the wireless router & then back On. Now boot your iPad. Hopefully it will see the WiFi.
Go to Settings>Wi-Fi and turn Off. Then while at Settings>Wi-Fi, turn back On and chose a Network.
Change the channel on your wireless router (Auto is best). Instructions at http://macintoshhowto.com/advanced/how-to-get-a-good-range-on-your-wireless-netw ork.html
Another thing to try - Go into your router security settings and change from WEP to WPA with AES.
How to Quickly Fix iPad 3 Wi-Fi Reception Problems
http://osxdaily.com/2012/03/21/fix-new-ipad-3-wi-fi-reception-problems/
If none of the above suggestions work, look at this link.
iPad Wi-Fi Problems: Comprehensive List of Fixes
http://appletoolbox.com/2010/04/ipad-wi-fi-problems-comprehensive-list-of-fixes/
Fix iPad Wifi Connection and Signal Issues http://www.youtube.com/watch?v=uwWtIG5jUxE
Fix Slow WiFi Issue https://discussions.apple.com/thread/2398063?start=60&tstart=0
Unable to Connect After iOS Update - saw this solution on another post.
https://discussions.apple.com/thread/4010130
Note - When troubleshooting wifi connection problems, don't hold your iPad by hand. There have been a few reports that holding the iPad by hand, seems to attenuate the wifi signal.
~~~~~~~~~~~~~~~
If any of the above solutions work, please post back what solved your problem. It will help others with the same problem.
 Cheers, Tom

I just moved to iCloud and now my email is not working on my non compatible MacBook, but all other devices seem to be working.

I have several Apple products, some eligible for iCloud and some not. I was using MobileMe and elected to keep my email address after June 30. I moved to iCloud and everything seems to be working except for my MacBook that couldn't be upgraded to Lion so not eligible for iCloud. Now my email doesn't work on that machine. What's wrong?

Welcome to the Apple Community.
Delete your mail account from Mail preferences and set it up again using the Mail Server Information.
Some users have apparently encountered issues using this information in pre-Lion set ups (I haven't), Roger Wilmut has kindly provided instructions for those who find themselves with this problem.
Entering iCloud email settings manually in Snow Leopard or Leopard
Entering iCloud email settings manually in Tiger

I cannot upload pictures to Facebook in 'Messages' using Firefox, but every other browser will.

I used to be able to, and have only been able to one time since. It started this in about vers. 6 I believe, and has been going on for a few weeks. I've deleted and redownloaded Firefox twice, with the error still occurring.
Thanks,
Mark

Bump...

I have a mac book pro, an ipad and an iphone. i have an icloud account that allows my iPad and imac to sync. but my mac book only has a connection to 'mobile me'. how can i include my macbook with my other devices? help! thanks

i have a mac book pro, an ipad and an iphone. i have an icloud account that allows my iPad and imac to sync. but my mac book only has a connection to 'mobile me'. how can i include my macbook with my other devices? help! thanks

You need OSX 10.7.2 or higher in order to access icloud. The mobile me account is now defunct (it closed down more than a year ago).

Upgraded to Maverick. Now cannot connect to wifi. All my other devices will connect. Have rest wireless hot spot switch and cable modem. Other devices still connect but MacPro does not. MacPro wireless is self assigning an IP address blocking access.

Upgraded to Maverick. Now cannot connect to wifi. All my other devices will connect. Have rest wireless hot spot switch and cable modem. Other devices still connect but MacPro does not. MacPro wireless is self assigning an IP address blocking access. It will connect if I connect to my iPhone hot spot via wifi. Any ideas?

If you follow this video you'll see how to delete your WiFi AP from the OS, this will allow you to select it again which I feel will correct your problem.
https://app.box.com/s/fe7v7h7kywjr23spumqp

TS1398 I cannot connect to iTunes store but all other devices are connecting to wifi and working great in household???

I cannot connect to iTunes store but all other devices are connecting to wifi and working great in household???

It has been saying this message for weeks so I don't think it's that iTunes is down...thank you though! I have 3 iPads, I phone, and iPod that I cannot connect to iTunes on and am beyond frustrated -ready to return items at this point...

I have I pad 2 and every time I try and get on message or FaceTime it says cannot connect check internet but I have full signal I have tried everything but no luck

I have I pad 2 and every time I try and get on message or FaceTime it says cannot connect check internet but I have full signal I have tried everything but no luck

Try this:
Settings>General>Date & Time>Set Automatically>On

5C will no longer connect to my home network, but all other devices do.

We had a service interuption and lost the wifi network at home for a while. When the network came back my 5C will no longer connect to the network, even though all of the other devices will. It will connect to wifi on other networks. I reset the router first. On my phone I have updated to the latest IOS, shut the phone off, forgotten the network, reset the network settings and reset the phone settings. Still will not connect to the network. It acts like it is trying but never makes it. I do not recieve an error message of any sort. What is the next step?

Good day Telbuoy,
Thank you for contributing to the Apple Support Communities.
It sounds like your iPhone 5s is not connecting to your home Wi-Fi network. You've done a good job of isolating this behavior to your iPhone and home Wi-Fi router.
There are a few more steps that I'd suggest trying next:
Make sure your iPhone is updated to the latest iOS version using the steps in Update the iOS software on your iPhone, iPad, and iPod touch.
Make sure your router is using the settings in Recommended settings for Wi-Fi routers and access points.
Update your Wi-Fi router with the latest firmware and make sure the router supports your Apple product. For more information, contact the manufacturer of your router. (from If your iPhone, iPad, or iPod touch won’t connect to a Wi-Fi network)
Best Regards,
Jeremy

Cannot connect my MacBook but every other device will

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