Original Question:
I had a new internet provider install internet into my home yesterday- My desktop computer (a very old Mac Desktop) runs very fast wirelessly, just as it should. My MacBook runs VERY SLOWLY. It takes 30 seconds to 1 minute to load a new web page, but once the site loads, I can navigate fairly quickly within the actual site. I have ample HD space, it used to run much faster on my previous weaker network. Is there some setting I need to change? Please help, I'm all out of ideas.

How to Fix Slow Mac Wireless Internet! - MacRumors Forums