My macbook pro cannot connect to internet via wifi

I have a Macbook Pro 2010 OS X 10.8.3. I cannot connect to internet via wifi (Air por). My Macbook Pro does not recognize my network and when I select it from the list of network it asks for my network password. when I type in my password a dialog box gives me timeout error. Please could anyone help me. I am using ethernet for my connection at the moment. Do I need to reset my macbookpro? if yes, what will happen to my applications and operating system (mountain lion)?
Monireh

When you use the Airport utility what happens?
What is in the System Preferences control panel for Network settings?
http://www.apple.com/support/airport - there is a forum just for Airport Community
Airport Express FAQ
http://support.apple.com/kb/HT1515
Wi-Fi Setup Considerations
Things to consider before you begin
Start with a plan for the physical layout. Depending on whether you have an existing Wi-Fi network, or if you are using your AirPort Express as a standalone Wi-Fi device, there are several options available for you to choose from.
When using Ethernet, Cat6 cable is recommended.
The layout you choose should take into account environmental factors such as physical access, location, range, radio frequency interference, etc.
You will need to consider what AirPort Utility settings to adopt.
You will need to know whether you are using an AirPort Express (802.11b/g) or an AirPort Express (802.11a/b/g/n).
If you will be using more than one Wi-Fi base station, it may be helpful to read the article Extending the range of your wireless network by adding additional Wi-Fi base stations.
AirPort Discussions
Discuss your AirPort Base Station, Time Capsule and Wi-Fi questions with fellow community members.
More
Direct you to the proper forum for MacBook :
MacBook Series Forumshttps://discussions.apple.com/community/notebooks?view=discussions
Mac OS X Forums
https://discussions.apple.com/community/mac_os?view=discussions
http://www.apple.com/support/macbookpro

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Macbook Pro cannot connect to Internet via Ethernet / Cosmetic Issues

My Wireless Router died last night, so I connected my PC Desktop directly to the Modem. It worked like a charm.
I then decided to connect my MacBook Pro (2.4GHZ, OS X 10.5.3) to the Modem and...it didn't work. I tried going into the network settings (turning off the AirPort Card, moving the Ethernet to the top of the list, etc.) and I still could not get it to work.
Aside from taking it in, is there anything that I can do to try to remedy the situation, maybe a setting that I've missed? Also, there is a tiny ding on front of the bottom case. Can I get it fixed if I have the "Accidental Insurance?"

Was the MBP working when you had the router?
Also, did you power cycle the modem when you switched machines? Most cable modems remember the ethernet MAC address of the computer that was last connected to it, and will not permit another machine to connect until the unit is fully power cycled (turned off and back on). This is to enforce network provider policies of one computer at a time per account. (Most ISPs want extra money for extra machines.) The reason you can use multiple machines with a router is because the router performs some special functions to make multiple machines appear as a single machine to the outside world.
*disclaimer* I am not now, nor have I ever been, an employee of Best Buy, Geek Squad, nor of any of their affiliate, parent, or subsidiary companies.

My macbook pro is connected to internet via my time capsule but my iPad and iPhone won't. it shows wifi connection to the time capsule but when i go on to the internet on the iPad or iPhone, it comes up with network error. can anyone help?

my macbook pro is connected to internet via my time capsule but my iPad and iPhone won't. it shows wifi connection to the time capsule but when i go on to the internet on the iPad or iPhone, it comes up with network error. can anyone help?

This can be caused by a number of issues.
Was everything working and then suddenly stopped??
Or is this a new clean setup and has never worked.
Do you have a cable modem which is not a router and the TC setup in bridge? That will cause it. The TC must be in router mode, ie dhcp and nat.
Check the IP the MBP gets including dns and gateway..
Then check the ipad/iphone.. post what IP dns and gateway (router in applespeak) they get.

Macbook pro cannot connect to internet

Hi, My Macbook pro 13" will not connect to the internet via wifi or ethernet. I have tried about everything I can think of. I reset the modem, tried another network other than mine. Compared the settings between my Imac that will connect and the macbook that will not. The only difference I can come up with is the macbook has a different ip address then the imac when connected to the same network. Any ideas? Thanks.

Try the following:
http://support.apple.com/kb/ht3964
http://support.apple.com/kb/ht1379
and then:
http://support.apple.com/kb/ht1509

Late 2010 MacBook Pro Cannot Connect to Internet

Hello, First time posting a question here.
I have a late 2010 Macbook Pro 15" i5, 2.4Ghz, currently running 10.6.8. At my apartment the provided wifi has been spotty for several months. In the past I have been able to turn off my airport using the dock at the top of my screen, wait a little while (30 seconds or so) and turn it back on. I would get wifi back and then be able to resume to use the Internet.
Recently, however, I have been having extreme issues with connectivity. I will see full bars on the airport display but my dropbox icon (what I use to test connectivity real quick) will keep indicating that I am not connected to the internet. For the past week I was able to get internet with an ethernet cable plugged into the router, ONLY if my airport was turned off.
Now I cannot even get internet through the ethernet cable.
Here are some things I have been able to eliminate.
Bad computer hardware - My computer instantly connects to the wifi at my family home, on campus and where ever I have ever been. I get reliable, un-interupted internet connectivity.
Bad Wifi signal - All other devices (including the ipad I am writing this on) connect immediately to the wifi with no problems with connectivity.
About my computer:
OS: 10.6.8
CPU: intel i5 2.4 GHz
Memory: 4Gb 1067 MHz DDR3
About my Router:
Ubee DWW365 Wireless Cable Modem
ISP: Charter
I have indeed rebooted my router, but not luck yet.

Hi Cyberviper42,
I understand that you are seeing some issues with your connection to the internet on your computer. I have an article for you that will help you troubleshoot this issue:
Wi-Fi: How to troubleshoot Wi-Fi connectivity - Apple Support
https://support.apple.com/en-us/HT202222
Thanks for coming to the Apple Support Communities!
Regards,
Braden

New MacBook Pro cannot connect to internet

I've helped setup 2 MBP this week. Each of them could not connect to the wireless internet in my office using DHCP. In both cases I had to make a network setting of DHCP with manual address (I used 192.168.1.150 since my network is 192.168.1.x) and I was then able to see the internet. After an update I could change the network setting to Auto and the computer could connect just fine.
Anyone else have this problem?

Choice is fine. Just a shame you cannot get DHCP to work out of the box. But it is odd they do not work with both Linksys and Airport Extreme.
I am one of those without the connection problems, except with D-Link routers at work -- we have two as (like you) we have two networks. One network uses 192.x.x.254 as router and the other 192.x.x.253 and the Mac defaults to 254 so we have to lie to it and, like you, enter settings manually. So it connects to the one, but not the other, using DHCP.
Do the new computers have the latest Airport Utility (1.2.1) and Airport Disk Utility (5.3.1) installed. Was that the update you mentioned in the original post?

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!

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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

Just bought MacBook Pro, cannot connect to the Internet at home. I have wifi at home and my iPad and cell phone can connect to the wifi

Just bought MacBook Pro, cannot connect to the Internet at home. I have wifi at home and my iPad and cell phone can connect to the wifi

*** When you post for help, please state which OS X is installed.
If you aren't sure, click About this Mac from your Apple menu 
Troubleshooting advice can depend on that information.

My Macbook Pro cannot connect to the internet using an ethernet cord.

My Macbook Pro cannot connect to the internet using an ethernet cord. It was working fine for weeks, then all of a sudden just stopped. What could the problem be?

Hi bean07670,
If you are having an issue with the Ethernet connection on your MacBook Pro, you may find the following article helpful:
Mac OS X: Troubleshooting a cable modem, DSL, or LAN Internet connection
http://support.apple.com/kb/TS1317
Regards,
- Brenden

Macbook Pro cannot connect to the internet even when others can

Hi! Please help me. We have an internet WIFI connection in our office but only my MacBook Pro cannot connect even when I entered the correct password. My Iphone and Ipad work just fine. It says "connection timeout" but all other laptops can connect. I tried network diagnostics already and it always say "connection timeout". I dont know what to do anymore.

Yes, and when I open the Network Utility it shows a working IP address, and a 54Mb/s speed from the wireless router. It even shows the shared computers from my roomates. But when I try to access the internet it does not load anything on Safari or Firefox ( or any other internet application for that matter). It is completely unconnected. YET, As soon as I activate the AirPort card on the top right where I have my signal strength, it shows on the Network Utility information that there are 'packages' being sent and received, and I have NO programs open what so ever, I have closed everything except finder and network utility... Does this mean I am being hacked, or have some sort of Trojan or something in my computer? I ran an antivirus that my school provided, called Virex by McAfee, it came out clean except it says it cannot read one file.
I tried repairing my disk, and that did not work either. I did the Ram reset like you suggested, but that also did not work. I doubt it being a hardware error. I am going to try to connect it to an ethernet cable to see if that will work. Then I will let you know what happens with that, but that would still not be a solution since I need it wireless, cause the router is in another part of the house.
Thank you for your help, and I hope we can get this sorted out.

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I cannot access the internet via wifi on my time capsule.

I cannot access the internet via wifi on my time capsule even thought it was shown that I am connected to the time capsule with full wifi on my iMac. I use to be able access the internet via wifi on the TC. However, after playing around with the airport utility on my iPad I was no longer able to access the internet via the wifi on myTC. How can I fix this problem?

Did your TC recently upgrade firmware to 7.6.3?
I recommend you do a full factory reset.. and redo the setup.
Use different names.. SMB type.. ie short, no spaces. pure alphanumeric for everything.
Use only WPA2 Personal security.
If that doesn't work, give more info.
Age of the TC.. model number.. A1xxx from the base.
Firmware revision.
In the computer are you getting the correct IP and router and dns values? Please post a screen shot.

I have a problem in connecting to internet via WiFi.

I have a problem in connecting to internet via WiFi. This week I received my new "iPhone 6 and 6 plus". Problem is the new phones doesn't connect to internet via my home WiFi while I don't have any problem on my other devices. The phones connect to WiFi but most of Apps can't connect to internet.

Hi vpouya,
If you are having an issue with connecting to the Internet from your iPhones via Wi-Fi, I would suggest that you troubleshoot using the steps in this article -
iOS: Troubleshooting Wi-Fi networks and connections - Apple Support
Thanks for using Apple Support Communities.
Best,
Brett L

I keep getting error message " server stopped responding" when trying to connect to internet via wifi

My iphone works fine using cellar network, but will not connect to internet via wifi. Ive reset network setting with no diffrence.
Any ideas?

And you can turn the WiFi button on and off?
If yes, then you next need to try to Restore your iPhone from your backup.

My Macbook Pro keeps connecting to the wrong wifi. How do I stop it from doing this?

My Macbook Pro keeps connecting to the wrong wifi. How do I stop it from doing this?

Select the wi-fi tab in the menu bar then select "Open Network Preferences..." Select the "Advanced" button, then select the network that it is interfering with your MBP, then hit the - button and it will "forget" that network. Hope that fixes your problem, good luck.

My macbook pro cannot connect to internet via wifi

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