If the new computer has WiFi built in (like all laptops) you don't need a separate WiFi card. No guarantee for the signal strength received (how many bars) and the speed.
If the distance to your router is too big to have a strong signal, possible solutions are:
- move the router to some place in the middle of the house
- try a wireless extender
- use an Ethernet cable to the router
- use powerline Ethernet
- use a better antenna then the one bult into the all-in-one
Kees
Hello,
I have Time Warner cable for my internet. The set up I have is as follows: the cable wire comes in to my office from the wall and goes to an Arris router which serves both my internet and my landline phone. The cable then goes from the router to my computer. The problem I have is that my wife has her office on the other side of our house and she has an old Dell computer which uses a USB wireless card which gets her on the internet but most of the time her internet speed is slow. I am looking to purchase a new computer for her, a Lenovo C260 all in one which has WiFi installed. I would like to know if I would still need the wireless card to get online or any other equipment to get her online and at a faster speed than she has now.
Thanks

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic