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SETTING UP A BROADBAND/INTERNET CONNECTION First you need to decide what type of broadband and Internet service you require and these are - 1. DSL that uses your existing telephone line. 2. Cable that uses a cable service and can include a cable TV service. 3. A wireless 3G network uses the mobile/cell phone network and can be separate or combine with your cell phone account. This type of Internet connection uses an USB wireless device shaped like an USB memory stick. Note - Combined services generally offer discount pricing and may include a modem/wireless router.
If you use a wireless router with the DSL or Cable Internet service then your laptop with a wireless card can then connect to the Internet. You can also connect to a free WiFi hot spots like McDonalds, Star Bucks, the Airport etc. using the wireless card in your laptop. If you use the wireless 3G wireless broadband service, then you can access the Internet anywhere where your ISP has 3G wireless coverage. You need to check the service coverage area where you need Internet service. Once you decide what type of broadband your require, then you need to check with the various Internet Service providers to see if they can offer and the cost of the various plans. Note the download limits and the associated additional costs if you exceed the monthly download limits. Once you sign up with a Internet Service provider, their documentation will include setting up instructions and/or installation CD.
how does an internal wireless card "go bad"? unless you got it wet and it short-circuited... but you should really be able to just download the broadcom driver and then the wireless driver. don't rate me on this, but i don't think it's your card, but rather your router. my router has been sucking teabags lately.
To check if the wireless card is bad or OK. Go to Control Panel - Network Connections - Is the wireless network connection listed and if so is there a red X on this connection? If so, right click on the wireless and click Repair - this may fix your problem, it forces the wireless router to issue the wireless card with a new IP address. If it doesn't fix the problem then go to Control Panel - System - Hardware tab - Device Manager - scroll down to Network Adapters and expand and check your wireless card, is it Working and Enabled? If has a yellow ? against it or not working then reinstall the wireless card driver. If the wireless card is built-in check the BIOS to see if the wireless card is enabled, if not enable the wireless card and repeat the above steps. If this doesn't fix your problem then the wireless card is faulty and you need a new wireless card. You can get a PCMCIA wireless card to replace the faulty wireless card. If the wireless card is built-in then disable the faulty wireless card in the BIOS before you install the new wireless card.
Your lappy most likely will not have wireless internet built in but it will have a wireless network adapter. There will be a switch somewhere on the laptop case (often a slide switch near the case lock) and this needs to be turned on to activate the wireless card.