I'm going to present this option I thought of as a question since I'm not an Apple trained OS X expert. That means I'm open to hearing what the perils of doing what I propose would be. So here it is. Would this work?
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Another option is the archive and install feature on the startup disk. Backup any
files that are important or make a clone of the hard drive first (I like SuperDuper myself). Then reinstall the OS with the 'Archive and Install'. After that go here
http://preview.tinyurl.com/2mgzty and install the 10.4.8 combo install that was issued Sept. 29, 2006. For those that don't know, that is all the updates Apple has/had issued up to that date. Then it might be safe to do the rest of the updates since then except the infamous Airport update depending on what they cover. Doing the latter may run the risk of mix and matching too I suppose. Staying at the Sept 29, 2006 level of update for a while could be not so bad. I would just continue to be careful from a security point of view.
I am guessing this would take about 2-3 hours to do maybe less.
This might not be practical to do at work but it beats not having WiFi at all.
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So how does that sound?
MacBook Intel Core Duo 1.83 Ghz/Dl-624 WiFi Router Mac OS X (10.4.8) PowerBook G3 Pismo runs 10.3.9/ Lombard too; runs only OS9