Trouble connection on ONE Mac !?

I restore (from an other Mac) my iMac G4 few days ago. Almost everything was look fine and work after (some minus trouble connecting the 2 Mac Firewire. Probably some Alias I was using for some Utilities who was unable to work properly)
This morning Adobe Updater said he had an update for Illustrator CS3 and ask me to quit Firefox 3. I did it, Illustrator is now update but I can't anymore get an internet connection with the iMac.
Note that *on the same connection*, my iBook connect as usual.(I know I can't connect both in same time. Is always only one Mac connected)
I check the pref. panel/Network. They have both the same Built-in Ethernet configuration.
I need some help because I don't know where to look to fix it.

For a start, type this into the bowser's URL bar...
17.149.160.49
If that gets you to apple.com, then try putting these numbers in Network>TCP/IP>DNS Servers for the Interface you're using...
208.67.222.222
208.67.220.220
Then Apply. These are safer/faster than most ISP's DNS numbers, and have been patched against DNS poisoning.
https://www.opendns.com/homenetwork/start/device/apple-osx-tiger
Using network locations in Mac OS X ...
http://docs.info.apple.com/article.html?artnum=106653
Sometimes having an all OFF Location can help, thanks to Gnarlodious...
http://gnarlodious.com/Computer/MacOsx/WiFi

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I am not certain this will fix your problem but I suggest you assign the printer a static IP address.
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I'm having trouble setting up my wireless network.
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rickmasta, Welcome to the discussion area!
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got a new wireless connection for my mac and cannot figure out how to delete the last connection service I had. Everytime I shut the computer, the network goes back to the other one. I cannot find the file ANYWHERE

Under Network Preferences, select the WiFi
click on "Advanced..." button
Select the network you want to delete from the list and click on "-"
Click "Ok"
Click "Apply"
Well done ;-)
You may also want to delete the wireless key from Keychain.
Open Keychain, seach for the old wifi network name, slect it and click delete

HT2497 Using Time Machine for home wifi just fine. Switched to cable modem from DSL. Now having trouble connecting laptops to wifi. ISP says it is not their fault. Mac books won't connect on their own.

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Hi, and thanks for looking. Here are the facts in a nutshell.
1. Xbox 360, set up for wireless connection.
2. Wireless network, all apple equipment. Main Base station is the new Airport Extreme, hooked to a Cable Modem (Toshiba), with transmission via Comcast Internet.
3. All wireless connections between Mac computers, and Dell PC's working flawlessly, including multiple printers.
4.Cannot connect to XBox 360 because when attempting to wireless network not recognized. When editing Wireless connection, by manually typing in the Network Name, and the WPA password, still does not work.
5. Incidentally, I have had this XBox connected before,until I purchased the new Airport Extreme Station (the rectangular one). What has changed? For one thing I added WPA security, and secondly, I got rid of a Netgear Router that I had been using for better distance, at the end of the Airport extreme chain. So the equipment is slightly different, and the security is definately different.
So please, someone tell me what I must do to have the XBox connect to a Mac AEx Network, that has WPA security, and then, how do I get XBox to recognize a computer.
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I've tried everything including turning the firewall off the Dell. I even tried putting the Netgear back on the network by ethernet, which then allowed the 360 to log on wirelessly, but, still could not see the Dell, even with the firewall off. Thank you
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You should really search for your question in the Airport forum found here <http://discussions.apple.com/category.jspa?categoryID=140>. The forum you've posted in is dedicated to Macintosh and Windows compatibility issues. While XBox 360 and Windows are both Microsoft products they are not the same thing.
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Good luck finding your answer! bill
1 GHz Powerbook G4 Mac OS X (10.4.8)

Trouble connection on ONE Mac !?

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