Question about Apple MacBook Pro Laptop Computer with Intel Duo Core 15.4 Inch PC Notebook

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Frozen Network Preference pane on MacBook Pro

I am a US citizen working as Public Health Officer in the DR & desperately need some advice. I'm using a MacBook Pro OS 10.4.11 and had successfully been using Airport to connect with our base station (Thompson) until Friday. At that point I was no longer able to connect even when manually inputting the password to Thompson. We've tried going through Network Preferences and I am unable to do ANYTHING in Network Prefs because I keep getting an error message that says:
"Your network settings have been changed by another application."
I am unable to then quit the Network Prefs and must FORCE Quit. Note that the Network Preferences were/are not locked. The screen (under the error msg) says Configure IPv4 using DHCP (not something I would have done so I'm thinking that this is the result of the following issue with the phone in the USB port.)

I've restarted, checked passwords and verified that no new software downloaded without my knowing it. I updated all software after this. The only thing I can think of that MAY be an issue is that I plugged my Sony Ericsson phone into the USB port and now Internet connect has two slots taken up by Sony Ericsson (because I had previously used the other USB port for charging this phone.)

PLEASE help or pass this on to someone who might be able to help. We have no Apple Store and if I have to send my computer out of country it would be a hardship. I do not have Applecare on this 2+ yr old laptop (but do on my desktop which is networking just fine with the base station). I am a longtime Mac user (since 1983) and have never encountered this issue before on my 10+ units over the years. I am able to connect to the net via ethernet cable although it isn't showing up in the Internet connect pane.

Paz y salud,

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Although this is hard to diagnose with the information given I hope this may help.First we need to do a permissions repair. Open the Hard drive icon on your desktop> Applications> Utility Folder (near the bottom)> Disk utility> Select your Disk (the one under the main drive description)> click "Verify Permissions" when that is complete> Click "Repair Permissions" if it finds permission issues.

Next: Open System Preferences> select Network> Select Airport> Select the Drop down menu> Select Edit locations> Name location> If DHCP is not automatic then select DHCP. Click apply then restart.

If unable to connect then reset Airport by unplugging from back and waiting 30 seconds for memory to clear and replugging back in. Wait for all lights to become steady, then attempt to connect again.

Posted on Feb 02, 2009

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