Airport does not connect to timecapsule

I can't connect my iMac Intel 24" aluminum to my wireless network using my 500gb Time Capsule. This started after have upgraded my time capsule to 7.5.2 and the Mac OSx to 10.6.7.
I already have reset the time capsule, started all the devices one by one and dowgraded te Timecapsule firmware to 7.4.2 witch was working before. I can connect the internet not using the airport, just using the cable from the timecapsule.
Lights are green on Timecapsule and I can connect my PS3 and my Iphone 4 to the timecapsule, but not the iMac. I can see the wireless conection but can not connect. The message is: connection timeout.
I can't see the Time Capsule in the airport utility also.
Does anyone can help me?

It might help to reset the connection settings on your Mac using these steps one at a time until the problem is resolved, recognizing that, depending on your problem, not all of these steps will make sense:
1) Use the AirPort menu bar item to turn AirPort off, then on again.
2) Try to select your Wi-Fi network from the AirPort menu.
3) In the Network panel of System Preferences delete the AirPort item from the left column, then add it back.
4) In the same panel as (3), define a new location and see if you can make that work.
5) In the same panel, select the AirPort connection item, click the "Advanced" button, select the "TCP/IP" tab, then click "Renew DHCP Lease".
6) In the folder /Library/Preferences ( _not_ <yourhomefolder>/Library/Preferences), move the folder SystemConfiguration onto the Desktop, then restart your computer. See if you can now make your AirPort connection work.
These steps may not help, but they'll only take a couple of minutes to try. Before you try these, if you have any special network settings on your Mac for things like DSL credentials, note all your network settings, because the latter steps will destroy them. If you got all the way to the last step, if things don't work any worse than before, you can trash the saved SystemConfiguration folder.
By the way, I don't think it's relevant to solving this problem, but your post doesn't show any of your configuration details, such as OS X version number. You might want to use the link "Your Stuff" > Profile to add that information.

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Hey there shriya bhardwaj!
I have an article for you that will help you troubleshoot this Wi-Fi issue on your computer:
Wi-Fi: How to troubleshoot Wi-Fi connectivity
http://support.apple.com/kb/HT4628
Thanks for using the Apple Support Communities. Have a good one!
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I have an article for you that will help you troubleshoot this Wi-Fi issue on your computer:
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http://support.apple.com/kb/HT4628
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Contact HP for support.
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https://discussions.apple.com/message/17028445#17028445
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Aimée Z. wrote:
since a few days my computer manages less and less to connect to it.
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would a factory settings restore solve the problem
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1) Use the AirPort menu bar item to turn AirPort off, then on again.
2) Try to select your Wi-Fi network from the AirPort menu.
3) In the Network panel of System Preferences delete the AirPort item from the left column, then add it back.
4) In the same panel as (3), define a new location and see if you can make that work.
5) In the same panel, select the AirPort connection item, click the "Advanced" button, select the "TCP/IP" tab, then click "Renew DHCP Lease".
6) In the folder /Library/Preferences ( not <yourhomefolder>/Library/Preferences), move the folder SystemConfiguration onto the Desktop, then restart your computer. See if you can now make your AirPort connection work.
They may not help, but they'll only take a couple of minutes to try. Before you try these, if you have any special network settings on your Mac for things like DSL credentials, note all your network settings, because the latter steps will destroy them. If you got all the way to the last step, if things don't work any worse than before, you can trash the saved SystemConfiguration folder.

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15.05.09 16:38:26 Mail[1478] GET /internetservices/issupport/1_27a4cv2b6061/clientConfig.plist (FAILED), httpStatusCode:-1, errorType:100 (domain=NSPOSIXErrorDomain, code=1), transactionState:5, txnId:2F42C0AC-8189-4309-B914-AB3759688961, auto-retries=2, manual-retries=0
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IMac does not connect to wifi on boot

I own an iMac and run it with OS X 10.7.5. Ever since system update 10.7.3 (February 2012) my mac more often than not does not connect to wifi on boot. I have to select diagnostics and connect manually. I did a design of experiment and have now discovered that I do not have this problem if I wait about a minute to log in after the login prompt displays. I like my mac for it's fast startup. It is a shame to have to wait unecessarily for it to connect to wifi before logging in. I kenw this was a problem with the system update and this confirms it. Does anyone know how to prevent this from happening so I don't have to wait?

It has been a month now and waiting a minute always works for connecting to my airport extreme on boot. I was cleaning behind my desk and realized that the ethernet cable was still attached to the back of the iMac even though I had moved the airport upstairs. I disconnected it. I also opened network preferences. The wifi was moved a long time ago to the top for priority, but the inactive ethernet and firewire were still listed. I removed both the ethernet and firewire so the only connection listed is wifi. My computer has now found the internet on 4 consecutive boots without waiting. It appears that having the other two options disrupts the connection process on boot. I will continue checking over the next week and let you know how it goes. Wish me luck!

After software Update (2006-07), airport can not connect to the router

Hi,
I installed the software update 2006-07. Afterwards the airport extreme can not connect to the router anymore (NETGEAR). I use a WEP key, but even if I type the WEP Key, the airport does not succeed to the router anymore... I called Apple Care and they wanted that I install the firmware restoration. But even I didn't succeed to install the firmware restoration. On the firmware restoration web page (http://www.apple.com/support/downloads/firmwarerestorationcd12.html) is written that I have to turn on the computer and continue holding down the power button until the LED blinks rapidly followed immediately by a successive series of blinks (3 quick blinks, 3 slow blinks, 3 quick blinks). But after the LED blinks, there is not the successive series of blinks...
I know there is 2 questions in one message, but could you please help?
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Eric
MacBook Pro Intel Core 2 Duo Mac OS X (10.4.8)

http://forums.macosxhints.com/showthread.php?p=337100
Exactly the same problems as mentioned here kernel panics, etc. How could this have passed Apple Quality Checks?
Tue Dec 5 09:26:34 2006
panic(cpu 0 caller 0x000A8800): Uncorrectable machine check: pc = 000000003931288C, msr = 0000000000149030, dsisr = 40000000, dar = 000000003A207F7E
AsyncSrc = 0000000000000000, CoreFIR = 0000000000000000
L2FIR = 0000000000000000, BusFir = 0000000000000000
Latest stack backtrace for cpu 0:
Backtrace:
0x00095138 0x00095650 0x00026898 0x000A8800 0x000A7A90 0x000AB780
Proceeding back via exception chain:
Exception state (sv=0x39D1B780)
PC=0x3931288C; MSR=0x00149030; DAR=0x3A207F7E; DSISR=0x40000000; LR=0x39312858; R1=0x2285BA10; XCP=0x00000008 (0x200 - Machine check)
Backtrace:
0x39312848 0x393139B8 0x39333874 0x393336BC 0x393332F0 0x3933313C
0x002D124C 0x393314AC 0x39332774 0x002EB838 0x0008C6A4 0x0002921C 0x000233F8 0x000ABAAC
0x00000000
Kernel loadable modules in backtrace (with dependencies):
com.apple.iokit.AppleAirPort2(405.1)@0x392f4000
dependency: com.apple.iokit.IONetworkingFamily(1.5.0)@0x386e6000
dependency: com.apple.iokit.IOPCIFamily(1.7)@0x32922000
Exception state (sv=0x39D3A780)
PC=0x9000AB48; MSR=0x0200F030; DAR=0x003B8000; DSISR=0x42000000; LR=0x9000AA9C; R1=0xBFFFCCA0; XCP=0x00000030 (0xC00 - System call)
Kernel version:
Darwin Kernel Version 8.8.0: Fri Sep 8 17:18:57 PDT 2006; root:xnu-792.12.6.obj~1/RELEASE_PPC
Just by enabling the airport express card. Now I wonder what triggers the bug. Because I rebooted several times after the update. One thing I did see was the signal strength going less strong in the past days. Since today I cannot use it at all.

Airport does not connect to timecapsule

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