Macbook Pro won't connect to wifi but other computers are working perfectly

Hi,
I have a 2012 MacBook Pro that connects to WiFi no problem anywhere else - except for my parent's house (who I am currently visiting). There are 2 other PCs in the house that connect to the WiFi without a problem, as does my iPhone. When I try to connect, the Network Setup Assistant keeps saying "Connection Timeout" and then when I go into "Assist Me" the error comes up as "The password you entered is invalid." I know that the password is correct, but I can't get passed this step...tried restarting computer and router but no luck.
Help!!

Click the Advanced button in the Network preference pane, then the TCP/IP tab. Type something (anything, as long as it's unique) in the DHCP Client ID text box. Click OK, then Apply. Reopen the TCP/IP tab and click Renew DHCP lease.

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Macbook Pro won't connect to WIFI

Help! My new Macbook Pro won't connect to my home's existing WIFI network. The other computers (PCs) are running on it without a problem but when I try to join the network it rejects my password as being incorrect, though it definitely is the right one!

Check to make sure the Caps Lock is off.
What type of wireless security are you using? If it's WEP Mac's don't do WEP anymore and you will need to change it to WPA or WPA2.

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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
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http://ipadinsight.com/ipad-tips-tricks/potential-quick-fixes-when-your-ipad-won t-connect-to-your-wifi-network/
~~~~~~~~~~~~~~~~~~~~~~~~~
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http://ipadnerds.com/fix-wifi-issue-ios-7/
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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
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http://www.youtube.com/watch?v=XsWS4ha-dn0
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http://ipad.about.com/od/iPad_Troubleshooting/a/How-To-Fix-A-Poor-Wi-Fi-Signal-O n-Your-iPad.htm
iOS Troubleshooting Wi-Fi networks and connections http://support.apple.com/kb/TS1398
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http://ipad.about.com/od/iPad_Troubleshooting/ss/How-To-Fix-My-Ipad-Wont-Connect -To-Wi-Fi.htm
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Wi-Fi or Bluetooth settings grayed out or dim
http://support.apple.com/kb/TS1559
~~~~~~~~~~~~~~~
If any of the above solutions work, please post back what solved your problem. It will help others with the same problem.
 Cheers, Tom

MacBook Pro says its connected to wifi but doesn't work(or goes super slow)when the wifi works for everyone else Help!

I have recently gotten a MacBook Pro (through my highschool so it is monitored by them) and ever since I brought it home it's been having wifi connection problems. It says the wifi is working fine, it shows full bars, but when I try to connect to the Internet it acts like there is only one bar or no bars. Although every one and a while I can get a great connection but it lasts for about 10 minutes. This I do not get because the wifi works perfectly fine for everyone else in the house and for our phones too. So if anyone else could help me I would be soo happy. Thanks.

I have had the same issue and searched the forums and found nothing that helped. I contacted apple support and this is what they told me to do:
First we’ll do the SMC reset
1.) Shut down the Mac and connect to power source.
2.) Unplug external devices, flash drives, external monitors, external HD (Keep the Mac plugged into power source)
3.) Hold down “Shift” + “Control” + “Option” (On the left side of the keyboard) + Power key for 30 seconds.
*The Mac should remain powered off during the reset, the LED on the MagSafe Adapter may change colors.
**The “Option” key is also known as the “Alt” key on some Macs.
Awesome, now let’s reset the NVRAM
1.) Locate these keys “Command”, “Option, “P” & “R”
2.) Power on your Mac
3.) Immediately press and hold all 4 keys “Command” “Option” “P” “R”
4.) Listen for 2 boot chimes and then release.
**The “Option” key is also known as the “Alt” key on some Macs.
Posting this here in the hopes that it will help someone else still searching for an answer.

Macbook Pro won't connect to wifi router

My laptop won't connect to my wifi at home when I go into my room. The wireless router is on the other end of the house and I know you'll probably say it's out of range, but i've been in the same room for 2 years and i've never had problem connecting it until up to a couple of weeks ago. Nothing has changed in the set up of the house, it just randomly stopped connecting. Can anyone suggest what may be wrong??
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It could be that one of your neighbors has added a router that's basically overpowering yours. Try logging into the router and changing the wireless channel.

Macbook Pro won't connect to wifi while all other macbooks in house will.

I have a MacBook Pro running 10.6.8 and we got wifi at the house this afternoon. It will not connect, if I open network diagnostics the top four lights are green, internet and server are red. There are two other macbooks in the house(at least one also running 10.6.8) and two ipads, all of which connect with no problem. The macbbok in question connects fine at coffee shops and, up until a week ago, fine with the wifi at my last apartment.
We are using Charter and the router is a Motorola SBG941.
Thanks for any advice you can give!

Change your router channel. Sometimes this is all you will have to do.
Power cycling the router. Read the router's user manual or contact their tech support for instructions.
System Preferences/Internet & Network/Network
Unlock the padlock
Locations: Automatic
Highlight Airport
Click the Assist Me button
In the popup window click the Diagnostic button.
System Preferences/Network- Unlock padlock. Highlight Airport. Network Name-select your name. Click on the Advanced button. Airport/Preferred Networks-delete all that is not your network.
Place a check mark next to "Remember networks this computer has joined." Click the OK button and lock the padlock. Restart your computer.
http://support.apple.com/kb/TS1920 Mac OS: How to release and renew a DHCP lease
No internet connection (wireless)
Check to see if an extra entry is present in the DNS Tab for your wireless connection (System Preferences/Network/Airport/Advanced/DNS).
Delete all extra entries that you find.
Place a check mark next to "Remember networks this computer has joined."
Other resources to check into:
Troubleshooting Wi-Fi issues in OS X Lion and Mac OS X v10.6
Netspot
How to diagnose and resolve Wi-Fi slow-downs
Pv6 troubleshooting
Mac OS X 10.6 Help: Solving problems with connecting to the Internet
What Affects Wireless Internet?
Solutions for connecting to the Internet, setting up a small network, and troubleshooting

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Restart the router. Wait until all the lights are lit up.
Restart the computer.

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I enter the password and the wireless symbol appears for a second but then it says unable to connect.
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Thanks in advance, it is getting very frustrating.!!!

Just had this same problem I went to the apple store today and they told me my wifi card was out and then gave me a new phone but I backed it up and it's not working again so they said one of my apps might have a virus that is interfering with my wifi so it's back to apple again tomorrow They said they will give me another new phone but I will have to set it up as new and will probably lose everything except the contacts that I have backed up so if I were you I would back up your pics and everything else in iCloud

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Go step by step and test.
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My iMessage and Facetime have totally stopped working on my macbook pro - im still connected to wifi and my internet is working fine...what happened???

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Associate your mobile number with your Apple ID, if you haven't already done so.
Sign out of iMessage on the Mac:
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Credit for this solution to ASC member SmittyLove and to Glenn Fleishman of tidbits.com.

EMac won't connect to internet, but other computers will?

So I've got this problem with my eMac.
I've been trying to get it to connect to the internet through my cable modem, and it hasn't worked yet. However, all my other computers (including the vista x64 laptop I'm typing this on right now) connect within 3 seconds of being plugged in.
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Hi AttackBadger, and a warm welcome to the forums!
Any 169.254.x.x addy means it's not being dealt an IP from any DHCP device.
I tried manually inputting the same IP/subnet/gateway info from my laptop, and it still wouldn't connect.
You'd have to use a different IP than any other on the Network, but same Mask & Router.
even plugging it directly into my cable modem, and it still generates some weird IP (169.254.130.32
For that to work since Modems only talk to the last device since powering up, you'd need to power down everything, wait 5 minutes, power up the Modem, wait 2 minutes, power up the eMac.
Does this Ethernet cable work on other computers?
The Interface that connects to the Internet, needs to be drug to the top of Network>Show:>Network Port Configurations and checked ON.

MacBook Pro won't connect to WiFi after installing a new modem...

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Hmmm...yes, there should be, although resetting the modem isn't hard (unless they mean something along the lines of resetting to factory settings). I wonder, tho, if the modem is old enough that something in your new computer is not communicating with it.
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Brand new MacBook Pro won't connect to WiFi after one day.

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Hmmm...yes, there should be, although resetting the modem isn't hard (unless they mean something along the lines of resetting to factory settings). I wonder, tho, if the modem is old enough that something in your new computer is not communicating with it.
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My MacBook Pro won't connect to the Internet via wifi but it worked fine on ethernet cord...I tried running diagnostic but it didn't work:(((( it happen every time if I restart the modem and/or router

My MacBook Pro won't connect to the Internet via wifi but it worked fine on ethernet cord...I tried running diagnostic but it didn't work:(((( it happen every time if I restart the modem and/or router.. Any idea how to fix this?

Hello Rattisate,
Sorry to hear you are not able to connect to Wi-Fi on your MacBook Pro. I would be concerned about this too. You can find information on how to troubleshoot this in the following article:
Troubleshooting Wi-Fi issues in OS X Lion and Mac OS X v10.6
http://support.apple.com/kb/HT4628
Follow the steps in the section labeled, "Symptom: My Mac does not connect to the Internet."
Thank you for posting in the Apple Support Communities.
Best,
Sheila M.

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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

Macbook Pro won't connect to wifi but other computers are working perfectly

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