Yes, you have to. Default settings are usually the least secure.
No, it is bilt in.
With wireless networking, you will need a wireless router and a wireless computer. Cisco is a good wireless router that is low cost and is easy to set up. There are many more name brands to choose from as well.
When you first install a router, before you do anything else, change your router password and disable the wireless network until you have time to set up and test the wireless security.
i got a d-link wireless router but i dont now how to set it up
The main equipment you need to set up laptop wireless internet access is a functioning wireless adapter and a router connecting to the internet. You also need to be in signal range of the router.
You can hook up a wireless router to your already existing modem and non-wireless router. However, you need to set up the wireless router by changing it's LAN IP address and by disabling it's router function so it will function as a wireless access point to avoid conflict with your existing non-wireless router. Click http://www.supportrix.com/SUPPORTRIX/Main.php?do=LearnMore for more info.
The wireless router for PS3 is inside. To access it, you need to buy a wireless access point, called a router, and plug it in to your computer's Internet access area, usually a modem. Set it up with your computer, and then have the PS3 search for the router.
In order to set up a home wireless internet connection, you must have broadband service and a wireless router. After connecting your router, use your computer and the router's instructions to set up your network.
You will need to have either a dsl or cable internet connection. Then you will need to purchase a wireless router so the electronics in the your house can get the wireless signal.
Set up a network buy installing a router. From the router you will need network adapters for all the computers using the wireless connection. Most of these materials come in a package you would need to buy to set up wireless. An alternative to routers, access points allow wireless networks to join an existing wired network.
Wireless configuration utility asks for passwords only in the case when you have one. If you did not set up the password somebody did it for you. Log on in your wireless router using a LAN cable and change or disable wireless security password.
Setting up a home wireless network is easy. You will need a wireless router and a modem and you are good to go. You will definitely need to purchase the wireless router, but you an rent a modem through your internet service provider for a little as $3 a month.