This can either be located on the bottom side of the laptop (most common place) or the upper side – under the keyboard. This part is one of the most stable parts on the laptop and it will rarely fail, so if you are experiencing Wi-Fi issues, you would test all software end issues prior to changing the wireless card. The brand of the card will be listed on the sticker of the card, and will help you in determining what driver to use for that specific laptop. It is ok to mismatch the color guide for the Wi-Fi antenna wires. Typically the wires are white and black , and will have colored arrows on the Wi-Fi card showing you what wire to connect to what site input plug. It is ok to plug the black onto the white port and visa versa as it will still allow for signal gain of the antenna wires, because remember, they are just that, antenna wires, not power wires which about 60 percent of the laptops shipped out of the Factory come mix-matched – reversed wires from day 1…