Macbook no longer connects to internet

I recently purchased a used Macbook 1.1 with a fresh install of 10.5 and used it for about a month with no problems whatsoever. About two weeks ago I changed locations (I´m currently traveling around) and the Airport would not connect to the new network. It just says ¨Connection Timeout¨ no matter what I do (ie. type in correct password, unsecure the network, try different networks, etc...). At first, I was able to connect via Ethernet to this router, but about a week ago, that also stopped working. And it´s not just that it won´t connect - it gives me the message ¨The cable for Ethernet is not plugged in.¨ I´ve tried everything I can think of. I´ve reset all routers, reset the PRAM, the SMC, reinstalled the OS... it just doesn´t make any sense to me that suddenly these two different pieces of hardware which both worked fine would both suddenly stop working. I´d take it to a Genius Bar, of course, but I am now in the middle of nowhere in Spain and that´s not really an option so any self help suggestions would be most appreciated... Thanks!

Full bars would just indicate that your MacBook is connected to a wireless network. Typically when a computer can connect to the local network but not the Internet means that it is not configured properly to do so.
What may be missing in your computer's configuration is the proper IP address information.
Go to Preferences > Network > Wi-Fi > Advanced > TCP/IP tab
Configure IPv4 should be set to "Using DHCP," and the IPv4 Address, Subnet Mask, & Router fields should be populated with the appropriate IP addresses for your network.
Go to the DNS tab
There should be one or more DNS servers listed. These are either the ones provided by your ISP or ones that you set up yourself.

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Was everything working and then suddenly stopped??
Or is this a new clean setup and has never worked.
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1. Try reinstall iLIfe 09 from your install disk
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1. Put the iPhoto.app in the trash (Drag it from your Applications Folder to the trash)
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mopar408 wrote:
I did. They very politely told me - after checking the connection for 15 mintues with me online - that it appeared to be a router issue from thier perspective. I was wondering if there is some way to test the routers basic functions, etc.
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How to load 5.6 into ML.
1. Download 5.6 for Lion.
http://support.apple.com/kb/DL1482
Click to open the dmg but do not attempt to install the pkg.. it won't work anyway.
Leave the package open on the desktop so you can see the file. AirportUtility56.pkg
2. Download and install unpkg.
http://www.timdoug.com/unpkg/
Run unpkg on the desktop.. If your Mac refuses to run the software, because it wasn’t downloaded from the Apple store, go to security in preferences and allow other software to work.. this is limitation of trade methinks. You can set back later if you like.
Now drag the AirPortUtility56.pkg file over to unpkg.. and it will create a new directory of the same name on the desktop.. in finder, open the new directory, drill down.. applications, utilities .. there lo and behold is Airport utility 5.6 .. drag it to your main utilities directory or just run it from current location.
You cannot uninstall version 6 (now 6.3 if you updated) so don't try.. and you cannot or should not run them both at the same time.. although I have had no problems when doing so.
Roll the firmware version back to 7.6.1 or earlier if it will work.. the latest firmware is not the greatest by a long shot.
Then using 5.6 utility you can access the advanced logs on the Extreme.. you cannot do that with v6 utility.
It should show disconnections happening.
You can also access the WAN ethernet settings and set the Airport to 100mbit full duplex.. this seems to have helped people lately.
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I have an iMac G5 that has been working fine on my Airport Extreme wireless network for 3 years. Suddenly, I can no longer access the internet over my Airport connection. The computer is on my local Airport network wirelessly (I can access it from my laptop and share files). I can connect to the internet from 4 other computers connected to the same wireless Airport network (2 MacBook Pro's, 1 Powermac G4). In addition, if I connect my iMac to my laptop via a twisted pair ethernet cable and turn on internet sharing on my laptop, my iMac can connect to the internet. All systems are running 10.5.5 and no firewalls in place. I checked my internet preferences and they have not been changed from what they were before when it was working. DOES ANYONE HAVE ANY IDEA WHY SUDDENLY IT STOPPED CONNECTING TO THE INTERNET OVER MY WIRELESS AIRPORT CONNECTION?

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thanks.

Oh joy and happiness, I solved it myself, and I owe it to the community to give some details for the benefit of anyone with the same problem searching on terms like Orange Livebox Mini.
I solved it by racking my brains till inspiration came - that it was a very very well hidden setting on the router itself that was the problem, nothing to do with Time Capsule. I had called Orange to fix this before, but had forgotten that this little setting needs changing from its default every time you reset the router.
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Can you open a terminal and invoke the following commands:
ping -c 10 localhost
and
ping -c 10 google.com
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PING google.com (74.125.224.103): 56 data bytes
64 bytes from 74.125.224.103: icmp_seq=0 ttl=55 time=19.053 ms
64 bytes from 74.125.224.103: icmp_seq=1 ttl=55 time=37.692 ms
64 bytes from 74.125.224.103: icmp_seq=2 ttl=55 time=46.988 ms
64 bytes from 74.125.224.103: icmp_seq=3 ttl=55 time=33.466 ms
64 bytes from 74.125.224.103: icmp_seq=4 ttl=55 time=28.940 ms
64 bytes from 74.125.224.103: icmp_seq=5 ttl=55 time=58.070 ms
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64 bytes from 74.125.224.103: icmp_seq=7 ttl=55 time=33.361 ms
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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)?
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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

Ipad no longer connects to internet after using remote app for apple TV

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No.
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Macbook no longer connects to internet

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