Earlier this year, without any logical reason, the wireless on my wife’s MacBook went flaky.
We had been using it for over a year with no problems whatsoever, but after installing new recessed lighting in my kitchen, the MacBook now has intermittent problems getting a signal from the the Linksys WRT54G router in the basement. No other laptops have any problem connecting, and the MacBook has no problem connecting to other wireless networks.
I used to be a Mac pro, but my Mac OS X chops are a little flabby. I’ve examined the logs to see if there is some explanation for this problem, but I can’t figure it out. There are basically two or three areas of the house where I am more or less guaranteed to receive a signal; the rest of the house is a big, intermittent dead zone.