I'm unable to browse the internet at home on my Macbook Pro (10.6.3), even though it shows I am connected to the wireless network with full bars.

This problem began weeks ago, when I suddenly couldn't browse the Internet at home despite being fully connected to the network. The network was a private, password-protected wireless network set up through a Netgear router.
I have spent hours troubleshooting and have tried multiple fixes including resetting PRAM, deleting and re-creating Airport, deleting and re-creating networks, changing IP and DNS, etc. to no avail. My roommate's PC works perfectly fine on the same wireless network.
This seems to be an issue with networks I use long-term. I can connect fine to networks at Starbucks, etc. for short-term use. Also, while trying to troubleshoot my connection issues on my home network over the last few weeks, I'd been using my apartment complex's public wireless connection (no password) with no issues. All of a sudden, I am having the same exact issue with that network. It's like something just snaps and maybe gets configured wrong after a few weeks or months of use.
I am desperate to find a fix, since now I can't use the internet AT ALL while at home and need it for work.
Thank you in advance for your help!

Please read this whole message before doing anything.
This procedure is a diagnostic test. It’s unlikely to solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
The purpose of this exercise is to determine whether the problem is caused by third-party system modifications that load automatically at startup or login. Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards. Boot in safe mode and log in to the account with the problem. The instructions provided by Apple are as follows:
Be sure your Mac is shut down.
Press the power button.
Immediately after you hear the startup tone, hold the Shift key. The Shift key should be held as soon as possible after the startup tone, but not before the tone.
Release the Shift key when you see the gray Apple icon and the progress indicator (looks like a spinning gear).
Safe mode is much slower to boot and run than normal, and some things won’t work at all, including wireless networking on certain Macs.
The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
Test while in safe mode. Same problem(s)?
After testing, reboot as usual (i.e., not in safe mode.)

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This AirPort base station was unable to extend the wireless network.

I have an AirPort Extreme in the lounge connected to BT infinity.
I also have an airport express in the kitchen connected to a stereo system.
I have had this set up for around 12 months.
The airport express will not extend the wireless network.
I reset it, restart, factory reset etc and it will work fine for around 3 days, then I get the same error message saying
This AirPort base station was unable to extend the wireless network. Make sure the wireless network you’re trying to extend was set up and is working correctly, that you entered a matching wireless network password into this device, and that this device is in range of the wireless network.
The express is situated easily within range of the extreme. And the airplay between those two, my iMac and two apple tv's works pretty much as it should.
Can someone please shed some light on this?
Maybe I have it in a wrong setting or summut....

G Beach wrote:
I am also experiencing a recent failure in my Airport devices no longer extending my wireless network.
My Aiport Express and second Airport Extreme were extending my wireless network for more than a year
The only change that has taken place lately is that the firmware for both devices was upgraded to 7.6.4, however the upgrade was only in response to trying to resolve this problem. Needless to say, the firmware upgrade did not resolve anything.
If I didn't know better, I'd have thought I wrote the above.
I have a TC from a few years ago (last one before the tower, I think), plus the older AEBS that it replaced extending the network, plus a 1-year-old Express also extending. I had upgraded them all to 7.6.3/4 when it came out, but reverted them all to 7.6.1 when everything went crapways (others having the same issues of the LAN regularly croaking), and didn't bother upgrading again since.
Today I just tried 7.6.4 on all of them, and it seemed OK at first with green lights all around in Airport Utility. Then I made one change, which was to enable 5Ghz on the main AEBS/TC only (the express doesn't need it, and the older AEBS can't do it).
The latter two started flasing amber and giving the "unable to extend wireless network" error message.
So I'm wondering if you are similarly using 5Ghz?

My wireless key board doesn't seem to communication with my computer even though bluetooth shows it is connected. I have changed the batteries on the keyboard and when turn on the key board the green lights comes on shortly and disappears.How to fix ?

my wireless key board doesn't seem to communication with my computer even though bluetooth shows it is connected. I have changed the batteries on the keyboard and when turn on the key board the green lights comes on shortly and disappears. Can any one help?

Hey Annar99,
I found a few articles that might help with the issue you're encountering. These first two are if the Bluetooth keyboard you're using is the one that came with your iMac. The first is a general "how to" for setting up your Apple Wireless keyboard, while the second one is for troubleshooting if the advice in the first article isn't working:
Bluetooth: How to set up your Apple Wireless Keyboard
http://support.apple.com/kb/ht1809
Troubleshooting wireless mouse and keyboard issues
http://support.apple.com/kb/TS3048
If, on the other hand, you're using a third party keyboard, then I would take a look at the following article's troubleshooting section:
Bluetooth Quick Assist
http://support.apple.com/kb/HT1153#Tips
Hope that helps,
David

I have an airport extreme and am trying to extend the range of the wireless network with an airport express. I set it up with the help of apple support, both lights are green on both airports, but the range didn't change. What could be wrong?

I am trying to extend the range of my wireless network by adding an airport express to an airport extreme. I configured it with the help of apple support, but it hasn't changed the range that I can access the internet wirelessly in my house. What could be the problem? Does weather affect the wireless network??

So, on the Extreme you checked the box to "allow this network to be extened" ?
Correct?
And on the Express, you set it up to "Extend a wireless network" ?
Correct?
See this Apple article and see if you missed anything...
http://support.apple.com/kb/HT4145
To learn about other options for expanding your Wi-Fi base station wireless network and things you should consider before expanding your network, click here.
Set up: Components of an extended network
➊ Primary Wi-Fi base station (this is the base station connected directly to the Internet)
➋ Extended base station
Configuring a wireless extended network
To create a wireless extended network, you must place any extended Wi-Fi base stations within range of the primary Wi-Fi base station.
Start with the device that will be configured as the primary Wi-Fi base station. Then configure your extended Wi-Fi base stations, ensuring that each is within direct range of the primary Wi-Fi base station.The physical location of extended Wi-Fi base stations will vary according to the building environment and may require some experimentation.
If you have configured your Wi-Fi base stations in the past, it may be helpful to do a factory default reset of each Wi-Fi base station that will be part of the wireless extended network before you begin.

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traced back to a OS X system cause of this odd phenomenon?
Are there any copies of system files on any of the attached USB
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Once the drives are indexed by Spotlight, are their permissions
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Hard to say at this point. Maybe a late-night talk radio guru on
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Do you have any phone-home spyware items inside, just jumping
at the chance to spill your information? Little Snitch may help.
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https://www.google.com/?gws_rd=ssl#q=Wake+reason:+XHC1
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edited 2x

I have installed Airport Extreme on my iMac, but want to extend the wireless network with Airport Express. Everything is fine until I try to select Extend the wireless network. I select Extend Wireless network but have no success. Ideas?

I have installed Airport Extreme on my iMac, but want to extend the wireless to rooms with a weak signal. The internet connection is fine with the basic setup. As soon as I go into Airport Utility to select Extend Wireless Network and fill in what I believe is proper information, I get an error message that Airport Extreme no longer has an IP address, the internet connection is broken, and under Wireless, that there is a wireless network in existence that can't be found. Rebooting the modem only brings the Airport Extreme back to the starting gate so that the internet is once again available. I assumed (naively) that with the All Mac All-the-Time context, adding Airport Express would truly be Plug and Play. I got the plug, but no play. I asked a Comcast technical specialist about it and he said that I needed to reset the Airport Express settings back to their default, factory status. I looked that process up online and found out that the way to do that was to hold down the reset button, then plug Airport Express into the socket and wait for the green light to flash four times. Then wait 45 seconds and the default settings will return. I did all that, only to find out that after the initial flash of green, green never appeared again. I got a fast flashing yellow light, followed by the light going off. Apparently this didn't reset it properly. So, after hours trying to get this system to work, I appeal to someone who can see through this mess and provide the key to success!
highFly376

Let's see if I can get this straight.
You have an Airport Extreme base station that is set to "Create a wireless network" and you have the box checked for "allow this network to be extended"....
Then you have an Airport Express that is set to "Extend a wireless network" which you selected the name of your network in the box...
Correct?
See this Apple document:
http://support.apple.com/kb/HT4259?viewlocale=en_US&locale=en_US
The wireless unit on the right of the diagram can be either of the newer Apple base stations.
Extreme, Express, Time Capsule

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