So I just spent a few hours trying to figure out why a USB Wi-Fi adapter wasn’t working on a linux box. I even tried reinstalling the OS to make sure I didn’t do anything to mess up the drivers before plugging it in. In the end my problem was I kept typing in my Wi-Fi password incorrectly.

First let me explain how my home network is setup. In my living room I have a cable modem connected to my Linksys WRT54G with DD-WRT (build 14929) firmware to cover the front of the apartment with wireless. That router is then wired to a Linksys E2500 with stock 1.0.05 firmware to cover the back of the apartment with wireless. The E2500 is then wired to a Rosewill RNX-GX4 also with DD-WRT (build 14929) to cover the top floor with wireless.
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I have a really old computer. I was using a Radeon 9800 video card and Wrath of the Lich King was coming out and said It would need a better video card to play it. Being impatient, I decided to get the best AGP video card I could instead of saving up for a brand new multi core PC. I decided on a Radeon HD3860 AGP that I got off eBay for a low price (for this card at least). Continue reading →