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The Dell Latitude E6400 laptop comes with an Intel Core 2 Duo processor for fast computing and an NVIDIA graphics card for video playback, gaming and Web browsing. The laptop has a built in Wi-Fi card, letting you connect to the Internet on-the-go. However, if you're unfamiliar with Dell or the laptop's factory installed Windows Vista operating system, you might not know how to enable to Wi-Fi.
Slide the switch on the side of the laptop toward the front of the laptop. This switch enables Wi-Fi connectivity on the Dell Latitude E6400. When switched into the back position, the Wi-Fi is turned off. Turn on your Dell Latitude E6400 laptop and log into Windows Vista. Click on the Windows "Start" button. Click on "Wireless," located in the Start menu's "Show" list. A list of currently broadcasting wireless networks appears on screen. With your Wi-Fi enabled, you can connect to any of these available networks. Secured networks ask you for a password when you click "Connect," while unsecured networks connect automatically.
To use Google maps or some other programs (like games), you need to be connected to a Wi-Fi network, not the cellular network. You will need to be in an area with an open wi-fi network or have a wireless router in your home. Find your password for the router's wi-fi network (it should be password-protected) and the SSID; you also need the encryption type (WAP, WEP, etc.).
Press Apps on the Home Screen. Then press Settings and then Wi-Fi. Select Scan to locate available networks. While on the Wi-Fi tab, press Add Network. Enter the SSID with the keyboard, then touch Security type to select the encryption for your router. Then enter the password and finally press Save. (Some wi-fi routers will want the MAC address before you can add a device to the network. Go to the Menu - Advanced from the Wi-fi tab to get the information.)
If the wi-fi network has been set up on the Tab, press Apps on the Home Screen. Then press Settings and look for the Wi-Fi On/Off icon. Toggle this to on. (You can also access this by touching the time on the Home Screen. Then touch Wi-fi on the Quick Settings list.)
The router including the Wi-Fi is system agnostic, so yes of course you can connect your Vista machine, or your Mac, or your Solaris, or your Linux or anything else. Just so long as your system supports the Wi-Fi card which is installed in it.
The great thing is that both the ethernet and the Wi-Fi are simply standard any system uses these systems.
its knows that vista isfull of bags and corraps.
the fing is a computer with vista req a heavy vid card such as 9xxx (dont go on 8800 it is waste of money) and you need 2-4 gb ram for your computer to work perfect and so the best fing you can do try to download windows7 beta it is like windows vista but acts like xp wich is the best so look for a good downloadand goodluck.