Wifi refuses to connect to home network

Hello,
I have upgraded to Mountain Lion. Wifi is working well except at home.
- The wifi connects to my home network. However fails to make connection to ISP and Internet.
- Other laptops, iPhones and Macbook (not running on Mountain Lion) connect.
- I can connect to any other wifi network without a problem.
- No issues on via LAN connection
Tried:
- deleting home network from wifi locations
- clean install mountain lion (2x)
- change router settings (channel, MTU, n+g+ b, etc)
- resetting PRAM / SMC ...
Open for suggestions.
Thanks,

Dear all,
After contacting the helpdesk they have provided me with the following work around:
Please note that I am a KPN user and have the KPN Experia box. This solution works for me.
http://kpn-customer.custhelp.com/app/answers/detail/a_id/15911
Thanks for all you're help.

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IPhone WiFi will not connect to home network.

iPhone will not connect to home network. WiFi is on and correct password is entered. iPhone error msg says incorrect password. Reloaded network software and did not activate password but iPhone still shows network as locked.

Some people who experience issues connecting to or even seeing there Wireless network should follow these steps.
These steps are just a guideline and its not 100% that it will fix your issue.
Mainly, if the issue persists, its possible there is an issue with your iOS settings or a hardware failure within your iPhone or iPad, specifically the Wifi adapter.
You would want to follow these articles to do a reset & restore prior to saying it is a hardware issue.
#1: Reset: http://support.apple.com/kb/HT1430
#2: Restore: http://support.apple.com/kb/HT1414
You will need to access your Admin control panel for your router.
If you have an Airport Extreme BaseStation, you just need to open the Airport Admin Utility found in Applications > Utilities Folder.
Enter your credentials and you will have access to the settings from there.
For a PC: Do NOT use the CD that came with your router. That is used for people who do not know how to setup a router properly and these settings will not be available for you in most cases.
If you are using anything other than an Airport BaseStation:
Open a web browser:
In the address bar, type:
192.168.1.1 (Mainly used for Asus, Linksys, etc) or 192.168.0.1 (D-link,Belkin)
How to figure out what the IP address is to type in?
Windows:
Hold down the windows key, then press R. This brings up the run box. In that box type "cmd" (without the quotes) and press enter. In the black box that pops up, type "ipconfig" (without quotes) then hit enter. Your default gateway is the IP address for your router. It will start with 192.168.....
Take that number and put it into the address bar in your browser and hit enter. It will then ask you for a user name and password. For linksys, it's admin for both. If you have another brand, just google "default password for ******" replacing the asterisks with the brand name of the router. Once you have entered the correct user name and password, you're there.
Mac:
1.From the Apple menu, select System Preferences.
2.In System Preferences, from the View menu, select Network.
3.Select the appropriate port. For example, choose Ethernet for broadbandconnections, AirPort for wireless, or Internal Modem for dial-up.
4.Click Advanced... , and in the sheet that opens, click the TCP/IP tab.
The number next to "Router:" is your default gateway.
Once you get into your admin panel do these setting changes.
1.On the router change the channel for the 2.4mhz band to channel 1, 6, or 11 (recommended), rather than auto.
2.Also set that channel width to 20hz only, rather than 20hz or 40hz (Auto)
3.Make sure Security is set to WPA/WPA2-Personal. Anything else will cause issues. (of course, make sure you know your password for security)
4.Make sure to Apply/Save these settings. Sometimes the wireless connectivity will go out during this change and will come back on within 15-30 seconds.
5.On the iPhone/iPad go to Settings > Wi fi > click the blue arrow beside the network > Select Forget network
6.Go to Settings > general > reset > reset network settings
7.Power the phone off and on. Connect again
For additional assistance in troubleshooting Wifi connection problems go here: http://support.apple.com/kb/TS1398

WiFi - unable to connect to home network

I had a problem syncing and iTunes not recognizing my iPod touch, (and my new iPad). Did a restore on the iPod Touch and that solved the syncing problem, now I cannot connect to the WiFi in my home, (cannot connect with my new iPad either). I have a Linksys Wireless-N Broadband Router Model WRT160N. I am dying to connect the new iPad and get it up and running, etc. Can anyone help me solve the "Unable to connect to (my home network's name)".

Use G band, not N. I encountered a lot of problems with my new router on wireless N. Here is a reply I wrote for the other posts about iPad connectivity problems:
I have the base iPad 16gb Wi-Fi model and it was connecting to wifi fine. A few days ago I had to get a new modem/router. I bought a netgear dual band model (G and N) and used wireless "N" on my my two MacBooks and my iPad.
Two days ago I started getting the "Safari could not open the page because the server stopped responding." error on the iPad along with the schizophrenic signal strength bars going from three, to one, to two, to disappearing totally, to whatever, and Safari not opening pages and sometimes crashing, and when it would connect running slower than molasses.
My laptops worked fine, seeing both G and N and working equally well regardless of which I chose.
I did all the jumping thru hoops I have read on this and various forums and that Apple suggested back in April with naming each band on the router differently but with same security settings, renewing lease on Safari, reseting iPad, resetting network settings, turning auto connect off, etc., etc., etc, none of it worked.
So I started to wonder . . . does the iPad even work with "N" . . . the Apple site says "yes", but I wondered . . . what happens if I have the iPad ignore "N" and connect only with "G".
Guess what . . . that fixed the problem.
I went into Settings > WiFi > and told it to "Forget this Network" for the "N" band and then selected the "G" band.
Problems gone.
If you're experiencing the connection problems I'd bet dollars to doughnuts you're trying to use wireless "N". Have it ignore that band and use "G".

Iphone 4s wifi suddenly stopped connecting to home network

My iphone 4s suddenly stopped connecting to my home wifi 2 weeks ago, now it won't even bring it up on the list of available networks. I have tried resetting network settings, have tried manually connecting but it says "unable to locate network". Why would this all of a sudden start doing this when I have had this phone for over a year. My husbands iphone 4 has no problems whatsoever and connects to our home network just fine so I know it is not the router. This is so frustrating

I'm currently suffering from this problem as well. If you or your husband can get your iPhone open, there may be a screw in the upper antenna area of the iPhone that is loose (this screw grounds the antenna to the chip/mainboard).
http://www.iphoneshopusa.com/blog/wp-content/uploads/2012/04/top-shield-iphone4- wifi-problem1.png
It's pointed out in the image above. Many have tightened the screw and said their Wi-Fi optimally again. Having a phone for a year does mean a lot of wear-and-tear: dropping, vibration, heat, all accumulate so that the delicate components inside get knocked around and, in this case, loose. Try this method! (If you can, of course.)
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My MBP cannot connect to any of my home networks (we have three, same ISP but not the same security) but it can connect to my unsecured school network and to my home network via ethernet cable. Other devices can connect to the network, including my iPhone, my fathers machines... etc.
I spent an hour on the phone with apple care and tried a large variety of things...
Changing my DNS settings to add 8.8.8.8 and 8.8.4.4
deleting the .plist settings in my system config folder
running diagnostics 500 times
restarting
reinstalling mt.lion (without wipe)
restarting the router
and a lot more.
Basically, it says I have full internet access and diagnostics tells me there is nothing wrong. Green light and everything but not a single program can connect to the internet while I can connect to home based servers.
I cannot ping anything and I cannot access any websites using either their IP or their domain name.
Needless to say, this has been getting quite frusterating and I'm running out of ideas.

Boot into Recovery by holding down the key combination command-R at the startup chime. Release the keys when you see a gray screen with a spinning dial.
From the OS X Utilities screen, select Get Help Online. A clean copy of Safari will launch. No plugins, such as Flash, will be available. While in Recovery, you'll have no access to your saved bookmarks or passwords, so make a note of those before you begin, if they're needed for the test.
Test. After testing, reboot as usual and post the results.

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Any suggestions on a fix for this problem
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Any suggestions on a fix for this problem
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seems the problem is that the 10.8.4 didn't install properly. here is the install log:
Jun 13 11:27:42 localhost UserEventAgent[11]: SUNotificationPlugin[uid=0]: Start event monitoring
Jun 13 11:27:50 localhost UserEventAgent[208]: SUNotificationPlugin[uid=501]: Start event monitoring
Jun 13 11:27:50 localhost UserEventAgent[208]: SUNotificationPlugin[uid=501]: trigger on login only to notify appstoreupdateagent
Jun 13 11:27:51 localhost Software Update[266]: SUCheckService: sending result 2 to peer
Jun 13 11:27:51 localhost UserEventAgent[208]: SUNotificationPlugin[uid=501]: check done with result SUCheckServiceResultUpToDate
Jun 13 11:27:51 localhost UserEventAgent[208]: SUNotificationPlugin[uid=501]: Notifying appstoreupdateagent for user 501
Jun 13 11:27:51 localhost UserEventAgent[208]: SUNotificationPlugin[uid=501]: appstoreupdateagent notification sent
Jun 13 11:29:30 localhost Install OS X Mountain Lion[426]: @(#)PROGRAM:Install PROJECT:Install-735
Jun 13 11:29:30 localhost Install OS X Mountain Lion[426]: @(#)PROGRAM:IA PROJECT:InstallAssistant-360.1
Jun 13 11:29:30 localhost Install OS X Mountain Lion[426]: Hardware: MacBookAir4,2 @ 1.80 GHz (x 4), 4096 MB RAM
Jun 13 11:29:30 localhost Install OS X Mountain Lion[426]: Running OS Build: Mac OS X 10.8.4 (12E55)
Jun 13 11:29:30 localhost Install OS X Mountain Lion[426]: Env: PATH=/usr/bin:/bin:/usr/sbin:/sbin
Jun 13 11:29:30 localhost Install OS X Mountain Lion[426]: Env: TMPDIR=/var/folders/xq/m2rn_pbx7h75qgc4r4zg3j940000gn/T/
Jun 13 11:29:30 localhost Install OS X Mountain Lion[426]: Env: SHELL=/bin/bash
Jun 13 11:29:30 localhost Install OS X Mountain Lion[426]: Env: HOME=/Users/smazhar
Jun 13 11:29:30 localhost Install OS X Mountain Lion[426]: Env: USER=smazhar
Jun 13 11:29:30 localhost Install OS X Mountain Lion[426]: Env: LOGNAME=smazhar
Jun 13 11:29:30 localhost Install OS X Mountain Lion[426]: Env: SSH_AUTH_SOCK=/tmp/launch-0l6NTO/Listeners
Jun 13 11:29:30 localhost Install OS X Mountain Lion[426]: Env: Apple_Ubiquity_Message=/tmp/launch-k7hwIw/Apple_Ubiquity_Message
Jun 13 11:29:30 localhost Install OS X Mountain Lion[426]: Env: Apple_PubSub_Socket_Render=/tmp/launch-k5ePm5/Render
Jun 13 11:29:30 localhost Install OS X Mountain Lion[426]: Env: COMMAND_MODE=unix2003
Jun 13 11:29:30 localhost Install OS X Mountain Lion[426]: Env: __CF_USER_TEXT_ENCODING=0x1F5:0:0
Jun 13 11:29:30 localhost Install OS X Mountain Lion[426]: Using distribution archive from /Applications/Install OS X Mountain Lion.app/Contents/SharedSupport/OSInstall.mpkg
Jun 13 11:29:31 localhost Install OS X Mountain Lion[426]: Configuring products from SharedSupport folder
Jun 13 11:29:31 localhost Install OS X Mountain Lion[426]: Using product <OSInstallDVDProduct> based on media at /Applications/Install OS X Mountain Lion.app/Contents/SharedSupport at distance 5
Jun 13 11:29:31 localhost Install OS X Mountain Lion[426]: Using product <OSInstallESDProduct> based on distribution at /Applications/Install OS X Mountain Lion.app/Contents/SharedSupport/OSInstall.mpkg at distance 5
Jun 13 11:29:31 localhost Install OS X Mountain Lion[426]: Checking Software Update catalog URL http://swscan.apple.com/content/catalogs/others/index-mountainlion-lion-snowleop ard-leopard.merged-1.sucatalog
Jun 13 11:29:31 localhost Install OS X Mountain Lion[426]: No available package ref for compatibility update. Ignoring.
Jun 13 11:29:31 localhost Install OS X Mountain Lion[426]: JS: installCheckScript threw exception TypeError: 'null' is not an object (evaluating 'my.target.systemVersion')
Jun 13 11:29:44 localhost Install OS X Mountain Lion[426]: IATool launched
Jun 13 11:29:44 localhost Install OS X Mountain Lion[426]: Using product <OSSoftwareUpdateCatalogProduct> from product keys (null) at distance 25
Jun 13 11:29:45 localhost Install OS X Mountain Lion[426]: Connected to IATool 7fd660f0
Jun 13 11:29:46 localhost Install OS X Mountain Lion[426]: Preventing machine sleep.
Jun 13 11:29:46 localhost Install OS X Mountain Lion[426]: Using product IA_PKSecureNetEnabledProduct <file://localhost/OS%20X%20Install%20Data/> at distance 5
Jun 13 11:29:46 localhost Install OS X Mountain Lion[426]: Using mutable product path: /OS X Install Data
Jun 13 11:29:46 localhost Install OS X Mountain Lion[426]: Retrieving 0 packages (0.000 GB)
Jun 13 11:29:46 localhost Install OS X Mountain Lion[426]: Verifying InstallMacOSX.pkg/InstallESD.dmg
Jun 13 11:30:10 localhost Install OS X Mountain Lion[426]: Finished operation queue
Jun 13 11:30:27 localhost Install OS X Mountain Lion[426]: Linking self-contained dmg into mutable product
Jun 13 11:30:30 localhost InstallAssistantTool[435]: Failed to prep /Volumes/Mac OS X Install ESD for brtool
Jun 13 11:30:30 localhost InstallAssistantTool[435]: Failed to prep /Volumes/Mac OS X Base System for brtool
Jun 13 11:30:30 localhost Install OS X Mountain Lion[426]: Restart requested
guid 0, euid 0
argv[0] = /Applications/Install OS X Mountain Lion.app/Contents/Resources/brtool
argv[1] = copyfiles
argv[2] = /Volumes/Mac OS X Base System
argv[3] = /
argv[4] = /OS X Install Data/InstallESD.dmg
argv[5] = /BaseSystem.dmg
Warning: kextd unavailable; proceeding w/o lock for <unknown>
Warning: proceeding w/o DiskArb
Ensuring /Volumes/Mac OS X Base System's caches are up to date.
Note: /Volumes/Mac OS X Base System/mach_kernel: No such file or directory
Primary kext cache does not need update.
CSFDE property cache does not need update.
rebuilding /System/Library/Caches/com.apple.corestorage/EFILoginLocalizations
Warning: Error 30 rebuilding /System/Library/Caches/com.apple.corestorage/EFILoginLocalizations
creating com.apple.Boot.plist data with UUID 69467D56-8D10-3B5C-B093-5914A842EF2E.
Mounting helper partition...
Looking for missing files.
Copying files used by the booter.
Error copying /Volumes/Mac OS X Base System/usr/standalone/i386/EfiLoginUI/ to /private/var/run/brmnt/com.apple.boot.P/usr/standalone/i386/EfiLoginUI/
ucopyRPS: copying files for booter: No space left on device
Rolling back any incomplete updates.
Cleaning up fallbacks.
Unmounting helper partition disk0s3.
Failed to update helper partition.
BRCopyBootFiles errored: 28
brtool function result = -12
Jun 13 11:31:42 localhost UserEventAgent[11]: SUNotificationPlugin[uid=0]: Start event monitoring
Jun 13 11:31:54 localhost UserEventAgent[234]: SUNotificationPlugin[uid=501]: Start event monitoring
Jun 13 11:31:54 localhost UserEventAgent[234]: SUNotificationPlugin[uid=501]: trigger on login only to notify appstoreupdateagent
Jun 13 11:31:55 localhost Software Update[344]: SUCheckService: sending result 2 to peer
Jun 13 11:31:55 localhost UserEventAgent[234]: SUNotificationPlugin[uid=501]: check done with result SUCheckServiceResultUpToDate
Jun 13 11:31:55 localhost UserEventAgent[234]: SUNotificationPlugin[uid=501]: Notifying appstoreupdateagent for user 501
Jun 13 11:31:55 localhost UserEventAgent[234]: SUNotificationPlugin[uid=501]: appstoreupdateagent notification sent
Jun 13 11:31:55 localhost Software Update[344]: SUCheckService: okay to stop (did timeout=0)

HT5569 My iPad refuses to join my home network, after I had connected to a local bar's network. What's wrong?

My Mini iPad refuses to connect to my home network. I was at a local bar last night and connected to their network automatically. When I came home, it wouldn't connect to my network. I have the big iPad with retina display also. It was connected to the network until I disconnected a few minutes ago. Then it would not longer connect.
Both iPads are running ios 7.0,4 Any ideas about what's wrong?
Many thanks for your help.
Hazel

Try to power cycle your router. Meaning unplug it, count to 10, plug it back in. Let it reboot and see if that helps.
You can also reset your iPad. Hold down the sleep and home keys for about 20 seconds until you see the silver apple. Let it reboot and try again.
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Wifi keeps scanning and dropping even after connected to home network. Never had this issue until the update, and now my phone runs slow and terrible. Horrible update!! Any ideas on a fix?

Wifi keeps scanning and dropping even after connected to home network. Never had this issue until the update, and now my phone runs slow and terrible. Horrible update!! Any ideas on a fix?

It's important that you have a steady WiFi connection, ZealousEdge. What phone do you have? Is your phone unable to connect to any WiFi network? If you can, please try deleting the saved WiFi network and re-adding it.
AndreaS_VZW
Follow us on Twitter @VZWSupport
If my response answered your question please click the "Correct Answer" button under my response. This ensures others can benefit from our conversation. Thanks in advance for your help with this!!

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I have a similar,but slightly different problem. My iphone 4 recgonizes my home wifi and shows it under Settings, but will not access it, no signal shown, just 3G. It will access other wifi signals. My wife's iphone works fine, as does an ipad and macbook. This is new for my iphone, about 2-3 days.
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Hey Brittany,
Welcome to Apple Support Communities.
It sounds like you’ve done quite a bit of troubleshooting to try and resolve the issue with your MacBook Pro not connecting to your Wi-Fi network. If you haven’t already, take a look at the article linked below which provides some additional troubleshooting suggestions that may help you resolve the issue.
Wi-Fi: How to troubleshoot Wi-Fi connectivity - Apple Support
So long,
-Jason

Cant use iphone4 wifi connect with home network

Updated iphone4 version 4.3.2 the phone still cant connect with home network via wifi! When before updated was everything normal!
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ive tried that also, completely disconnecting the modem and router but still same problem, updated iphone software, reset factory and network settings.. still nada thanks for your input tho

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iPad: Issues connecting to Wi-Fi networks http://support.apple.com/kb/ts3304
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.
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
How to Quickly Fix iPad 3 Wi-Fi Reception Problems
http://osxdaily.com/2012/03/21/fix-new-ipad-3-wi-fi-reception-problems/
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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
 Cheers, Tom

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do u know ur wifi routers ip ads?
if u know it
on ur computer open ur internet browser
at the part where is shows https:// and what ever u home page is remove this and type in ur wifi router ip ads
u will get a list of everything using ur wifi router
and all ur router info, settings and all ur setting checking ur settings while ur ipods trying to connect to it and c if its showing up in the list
its ur computer thats hp or ur wifi router?
if u get any error codes let me know and i can c if i can help u

HT4796 ??it keeps looking for computer, both are connected to home network, what now?

? I am trying to transfer from pc to mac, using migration tool, both are connected to home network, it keeps saying "looking for other computers" - not finding it, what now?

Hi,
Please follow the steps in the link below to solve the issue :
http://support.hp.com/us-en/product/HP-Officejet-Pro-8620-e-All-in-One-Printer-series/5367611/model/...
I work for HP but my posts and replies are my own.
Make it easier for other people to find solutions, by marking my answer with \'Accept as Solution\' if it solves your problem.
Click on the BLUE KUDOS button on the left to say "Thanks"

Wifi refuses to connect to home network

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