Unable to connect to wifi-network change detected

I have the OSX 10.6.8 running on my macbook and since a couple of days i'm not able to connect to wifi.Network diagnostics gives me a 'Network change detected' error every time it appears to connect.The WiFi settings have not changed and I'm able to connect to it with my android tablet and phone.Any pointers appreciated.

check this link out for more info
http://www.ehow.com/how_4537240_using-wifi-data-plan-t.html.
I saw this in another post
>>>>>>>>>>>>>>>>>>>>>>>>~
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Unable to connect to wifi network

I put my (2 day old) iPT to sleep last night in the middle of watching some Netflix streaming video. When I woke it up this morning, the Netflix app tried to resume play and failed. The iPT started asking for a network password. I made a few careful attempts to enter it (it is one of those 64 random character things, and my iPT typing skills are nascent) and it failed to connect. Finally iPT began saying 'unable to connect' and stopped asking for a password. I checked the router, connected with my laptop, no problems there. Perhaps the router has some lockout after failed login attempts, but if so I could not discover the setting in order to reset it.
Finally, I reset the iPT network settings, and was able to connect and enter the password successfully.
My question is this: why did this happen, and can I be at all confident it won't happen again?
I've never had a similar problem with other wifi devices I've used with this router since setting it up over a year ago, so to my mind it is obvious there is a problem with the iPT wifi hardware or software. Needless to say, it is a pain to enter the wifi key once, let alone every few days.

TomGeo wrote:
I put my (2 day old) iPT to sleep last night in the middle of watching some Netflix streaming video. When I woke it up this morning, the Netflix app tried to resume play and failed. The iPT started asking for a network password. I made a few careful attempts to enter it (it is one of those 64 random character things, and my iPT typing skills are nascent) and it failed to connect. Finally iPT began saying 'unable to connect' and stopped asking for a password. I checked the router, connected with my laptop, no problems there. Perhaps the router has some lockout after failed login attempts, but if so I could not discover the setting in order to reset it.
Finally, I reset the iPT network settings, and was able to connect and enter the password successfully.
My question is this: why did this happen, and can I be at all confident it won't happen again?
I've never had a similar problem with other wifi devices I've used with this router since setting it up over a year ago, so to my mind it is obvious there is a problem with the iPT wifi hardware or software. Needless to say, it is a pain to enter the wifi key once, let alone every few days.
Your post indicates that you are using WEP security. Do as Apple suggests and move to WPA or WPA2 security. WEP is obsolete and can be cracked in seconds with widely available software.
See http://support.apple.com/kb/TS1398

Unable to connect to WiFi Network Following Upgrade to OS X 10.9.1

I wanted to post thus to ask if anyone is experiencing issues with WiFi following upgrading to 10.9.1?
On Monday I upgraded to 10.9.1 from 10.9. Immediately following the install and reboot, plus for the next four hours - all was well. I have booted up the MacBook this evening and now I am unable to connect. The following is being reported in Console;
time airportd: _doAutoJoin: Already associated to "network name". Bailing on auto-join
time kernel: Airport: Link a Down on en1. Reason 8 (Disassociated because station is leaving)
I have connected to the network many times previously without an issue. My iPad, iPod and my iPhone connects fine. Also a couple of a Windows 7 SP1 machines connect fine.
I have saved out the airport plits file, creating new settings from scratch - didn't work. Rebooted, etc - didn't work. Put the initial plist file back - still doesn't work. Currently unable to reboot the router.
Is this an issue with 10.9.1?

Got it working... Needed to reconfigure the Network settings and reboot the router.

MacBook (10.4.11) is unable to connect to wifi networks

After updating with 10.4.11 (and the associated 2008-01 Airport update) a few months ago, my Intel MacBook has been unable to connect to my WPA2 network.
It will see my network name in the Airport drop-down menu, but fail to actually connect. The icon appears as if the notebook is rapidly connecting and disconnecting -- switching from five bars of signal to none and back again every few seconds. During this time, my MacBook never reports getting a connection, and all other devices on the network experience severe interference. I am able to connect to most, but not all, unsecured networks.
System Profiler reports my wireless card as AirPort Extreme (0x168C, 0x86), Firmware Version: 1.3.5 .
My router is a D-Link DGL-4300 with the most recent firmware. I am running an 802.11g network at 2.437ghz.
I've tried the following already, unfortunately without success:
. Switching to WPA from WPA2
. Removing all the preferred networks from my System Preferences and adding them back in again.
. Removing all the network info in my keychain and reconnecting to the network from scratch
. Switching the router to channel 11 (away from 6)
. Turning Interference Robustness on and off
. Manually specifying IP and DNS in my network settings, rather than DHCP
. Removing all other wireless devices from the network
Looking elsewhere on the net I find that a few other people seem to have this problem, and so far the only solutions I've seen are "roll back to 10.4.9" and "disable security on your home network," both of which are obviously untenable for security reasons.
The one (and only) WPA-secured router I am able to connect to is the Airport at my local Genius Bar, so they're unable to help me.
Has anyone else seen this, or have any ideas?
Thanks.

Well, I downloaded Pacifist and the 10.4.11 Combo Update. Pacifist verified the AppleAirPort and AppleAirPort2 .kexts on my drive as matching the ones in the package, but I forcibly reinstalled them anyway and rebooted. Still no luck -- now the network is back to the four-bars-no-bars death loop without even popping up the error dialog.
Luckily however Pacifist turned out to be the solution to the problem. A Google search on "Apple broke Airport" eventually led me to this thread with detailed instructions on rolling back to the previous version of the Airport driver, before the 2008-01 update: http://www.tuaw.com/2008/03/28/airport-extreme-update-2008-001-for-tiger/#c11509 504
I'll paraphrase it here for anyone else who has this problem:
Download the Airport Extreme client software version 2007-004
from http://tinyurl.com/yw3dnu.
Download and install Pacifist from www.charlessoft.com.
Delete /system/library/extensions/io80211family.kext
In Pacifist, open AirportExtremeUpdate2007004.dmg
and expand the sub folders until you can see the io80211family.kext
extract and direct it to extract the file to the
/system/library/extensions/ folder
restart
So now my Airport works again, though without whatever security they put in with 2008-01, I guess.
I suppose I'll have to embargo future OS updates until this gets straightened out, or else re-rollback the io80211family.kext after each one. I sure would like to talk to whoever wrote this update at Apple!
Thanks for your time, BD.

I am unable to connect to wifi network on my ipad2 3g, i am unable to connect to wifi netork on my ipad2 3g, i am unable to connect to wifi netork on my ipad2 3g

I can connect to wifi on my I phone but not on my Ipad from last night.Any suggestions to fix this?

Read the information here: iOS: Troubleshooting Wi-Fi networks and connections
If you need more help please provide details on your network, i.e., router make, model, and version, security type being used, etc. Does your iPad work on other networks?

Laptop is unable to detect my home router wifi network but detecting all other neighbour networks

My pavilion g6 laptop is unable to detect my home router wifi network but detecting all other neighbour networks even my phone network also. The same router network is detecting good in another laptops.

Hi , Welcome to the HP Forums! It is a great place to find answers and information!
For you to have the best experience in the HP forum I would like to direct your attention to the HP Forums Guide. Learn How to Post and More i understand that your notebook finds and displays many network but not yours but another laptop does locate it. One of the easiest steps to try is to reset the router by removing power for approximately 20 seconds and then reconnecting the power. Give the router time to reset and come back up . Does you network now show? If your network is set to 5.0 GHz try changing the setting to mixed mode or 2.4 GHz as that is the best selection for HP notebooks. Here is a link to HP PCs - Troubleshooting Wireless Network and Internet (Windows 8). To say thanks for replying, please click the thumbs up icon below. If this overcame your difficulty please tell people by selecting solution provided to allow it to found with greater ease. Best of Luck!

Why isnt my itouch not connecting to the wifi? everytime i try to conncect to a network and then i put in the password, it says unable to connect to this network! why is not working?????????? someone please help me!!!

Why isnt my itouch not connecting to the wifi? everytime I try to connect to a network and i put in the password it says "unable to connect to this network" why isnt working?! the password is correct and everything. I just dont understand why its not working. Someone please help me! thanks

Did it ever work with this WiFi system?
Do other devices work with this WiFi system?

Cannot connect to wifi network

I've seen other folks discussing issues with Wifi connectivity in Mavericks, but can't find a specific answer to my problem - hopefully somebody can chime in.
I recently purchased a (refurbished) 15" retina Macbook Pro, Mid-2012 model. It came with Mountain Lion installed, but I immediately updated to Mavericks. My home wifi is secured with WPA2 - Personal, and I was initially able to connect even after the Mavericks update. However, my wifi speeds were terribly slow, so I went and changed the router settings in the hopes of speeding things up (using a separate computer connected directly to the router).
As soon as I made the changes, my Macbook was unable to connect to the network. The name of my network still appeared in the list of available networks, but as soon as I selected it I recieved a message saying "Wifi network "(network name)" could not be joined." It would not even give me a prompt to enter my password, just an option to run diagnostics, which provided no help whatsoever.
I tried reverting the router to the previous settings, but the issue persists. I am able to connect to other nearby WPA2 secured networks (or at least get a prompt to enter a password), but not the one I was using previously. I am able to connect to my network if I disable the security, but as I live in a fairly large apartment building, that's not a permanent solution. Anybody have any insight into what might be causing this issue?

I have an android phone as well and i found an app called "wifi tether" version 3.1-beta. They listed as web address in the about section on the app http://android-wifi-tether.googlecode.com i am not sure if the address is good but it might give you some insight. The app works for me on my k1. But you are right ad-hoc support would be great.

TS1398 after updating the OS unable to connect to WIFI

after updating the OS to 5.1.1.1 I'm unable to connect to Wifi, while the Wifi is working perfectly for my Iphone

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. 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
~~~~~~~~~~~~~~~
If any of the above solutions work, please post back what solved your problem. It will help others with the same problem.
 Cheers, Tom

My wife's i-pad 3 was just downloaded with iOS6 and we're unable to join our wifi network at home. Can anyone help?

My wife's i-pad 3 was just downloaded with the latest iOS6 and she's now unable to join our wifi network at home. Can anyone help?

Some things to try first:
1. Turn Off your iPad. Then turn Off (disconnect power cord for 30 seconds or longer) the wireless router & then back On. Now boot your iPad. Hopefully it will see the WiFi.
2. Go to Settings>Wi-Fi and turn Off. Then while at Settings>Wi-Fi, turn back On and chose a Network.
3. Change the channel on your wireless router (Auto or Channel 6 is best). Instructions at http://macintoshhowto.com/advanced/how-to-get-a-good-range-on-your-wireless-netw ork.html
4. Go into your router security settings and change from WEP to WPA with AES.
5. Renew IP Address: (especially if you are droping internet connection)
    •    Launch Settings app
    •    Tap on Wi-Fi
    •    Tap on the blue arrow of the Wi-Fi network that you connect to from the list
    •    In the window that opens, tap on the Renew Lease button
~~~~~~~~~~~~~~~~~~~~~~~~~
iOS 6 Wifi Problems/Fixes
Fix For iOS 6 WiFi Problems?
http://tabletcrunch.com/2012/09/27/fix-ios-6-wifi-problems/
Did iOS 6 Screw Your Wi-Fi? Here’s How to Fix It
http://gizmodo.com/5944761/does-ios-6-have-a-wi+fi-bug
How To Fix Wi-Fi Connectivity Issue After Upgrading To iOS 6
http://www.iphonehacks.com/2012/09/fix-wi-fi-connectivity-issue-after-upgrading- to-ios-6.html
iOS 6 iPad 3 wi-fi "connection fix" for netgear router
http://www.youtube.com/watch?v=XsWS4ha-dn0
Apple's iOS 6 Wi-Fi problems
http://www.zdnet.com/apples-ios-6-wi-fi-problems-linger-on-7000004799/
~~~~~~~~~~~~~~~~~~~~~~~
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
WiFi Connecting/Troubleshooting http://www.apple.com/support/ipad/wifi/
How to Fix: My iPad Won't Connect to WiFi
http://ipad.about.com/od/iPad_Troubleshooting/ss/How-To-Fix-My-Ipad-Wont-Connect -To-Wi-Fi.htm
iOS: Connecting to the Internet http://support.apple.com/kb/HT1695
iOS: Recommended settings for Wi-Fi routers and access points http://support.apple.com/kb/HT4199
How to Quickly Fix iPad 3 Wi-Fi Reception Problems
http://osxdaily.com/2012/03/21/fix-new-ipad-3-wi-fi-reception-problems/
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
How To Fix iPhone, iPad, iPod Touch Wi-Fi Connectivity Issue http://tinyurl.com/7nvxbmz
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

Very poor connection with wifi network with mini iPad.

I recently bought à new mini iPad. The connection with wifi network is lost very often and therefor not Stable. I tried the tips such as forgetting the network and connecting again, but that doesn't help. What can I do?

Do #5.
Some things to try first:
1. Turn Off your iPad. Then turn Off (disconnect power cord for 30 seconds or longer) the wireless router & then back On. Now boot your iPad. Hopefully it will see the WiFi.
2. Go to Settings>Wi-Fi and turn Off. Then while at Settings>Wi-Fi, turn back On and chose a Network.
3. Change the channel on your wireless router (Auto or Channel 6 is best). Instructions at http://macintoshhowto.com/advanced/how-to-get-a-good-range-on-your-wireless-netw ork.html
4. Go into your router security settings and change from WEP to WPA with AES.
5. Renew IP Address: (especially if you are droping internet connection)
    •    Launch Settings app
    •    Tap on Wi-Fi
    •    Tap on the blue arrow of the Wi-Fi network that you connect to from the list
    •    In the window that opens, tap on the Renew Lease button
~~~~~~~~~~~~~~~~~~~~~~~~~
iOS 6 Wifi Problems/Fixes
Fix For iOS 6 WiFi Problems?
http://tabletcrunch.com/2012/09/27/fix-ios-6-wifi-problems/
Did iOS 6 Screw Your Wi-Fi? Here’s How to Fix It
http://gizmodo.com/5944761/does-ios-6-have-a-wi+fi-bug
How To Fix Wi-Fi Connectivity Issue After Upgrading To iOS 6
http://www.iphonehacks.com/2012/09/fix-wi-fi-connectivity-issue-after-upgrading- to-ios-6.html
iOS 6 iPad 3 wi-fi "connection fix" for netgear router
http://www.youtube.com/watch?v=XsWS4ha-dn0
Apple's iOS 6 Wi-Fi problems
http://www.zdnet.com/apples-ios-6-wi-fi-problems-linger-on-7000004799/
~~~~~~~~~~~~~~~~~~~~~~~
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
WiFi Connecting/Troubleshooting http://www.apple.com/support/ipad/wifi/
How to Fix: My iPad Won't Connect to WiFi
http://ipad.about.com/od/iPad_Troubleshooting/ss/How-To-Fix-My-Ipad-Wont-Connect -To-Wi-Fi.htm
iOS: Connecting to the Internet http://support.apple.com/kb/HT1695
iOS: Recommended settings for Wi-Fi routers and access points http://support.apple.com/kb/HT4199
How to Quickly Fix iPad 3 Wi-Fi Reception Problems
http://osxdaily.com/2012/03/21/fix-new-ipad-3-wi-fi-reception-problems/
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
How To Fix iPhone, iPad, iPod Touch Wi-Fi Connectivity Issue http://tinyurl.com/7nvxbmz
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 have lost my iPod touch however it was not connected to wifi network , how do i find it . A reply would be very appreciated

I have lost my iPod touch however it was not connected to wifi network , how do i find it . A reply would be very appreciated

you will have to use the old fashioned way, like if you lost a wallet or purse.
- Change the passwords for all accounts used on the iPod and report to police
- There is no way to prevent someone from restoring the iPod (it erases it) using it.
- Apple will do nothing without a court order
Reporting a lost or stolen Apple product
- iOS: How to find the serial number, IMEI, MEID, CDN, and ICCID number

Why can I connect to my home network with my iPhone 5 in one room, but when I move to another it is 'unable to connect to the network'

At home, I can connect my iPhone 5 to my home wifi network with no problems, as long as I stay downstairs.
As soon as I go upstairs my phone disconnects from the network. I can still see the home network it in the available network lists (with full signal strength), but when I try to reconnect I get an 'unable to connect to the network message'
If I move back downstairs it reconnects
This has only started happening in the past week or so
I've tried to forget and rejoin the network, but this doesn't work
I reset my network settings on the phone. This worked for a couple of hours and I could connect to the wifi upstairs, but now it won't connect again.
Does anyone have any ideas what is causing this?

Sounds like your wi-fi signal strength has degraded. Try rebooting your wi-fi router, or get it serviced.
Do you have similar issues with any other wi-fi routers?

I am unable to connect to wifi on my Iphone 5

I have rest my phone and everything and I am still unable to connect to wifi. I entered my passcode at my apartment and it didn't work and now I am at my university and I have entered my secure passcode and it is still not working. Can you please help me with this?

I was experiencing the same problem. Tried numerous fixes. What finally worked was I went into Settings>General>About; recorded my Wi-Fi Address, and manually entered it into my router as an recognized/allowed device. Selected by network, entered the password on the iPhone, and Bingo! I was in!!
Good Luck

Unable to connect to wifi

Evertime I try to connect to my home wifi, a screen pops up saying "Unable to connect to this network". I've tried turning the phone off and restarting it, and even messing with the wifi settings. It wont even let me get to the point where I put my password in! Someone please help!!

Have you ever been able to connect your iPhone to your home wi-fi network?
Any problem connecting your iPhone to any other wi-fi network besides your own?

Unable to connect to wifi-network change detected

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