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Problems authenticating a router in a computer is a common problem when installing a router or if your internet service gets disrupted. It is easy to solve and only requires a few steps to fix. A router forwards data from a computer to a computer network. The network can be between multiple computers, such as one would need in an office. The network can also, and more usually in households, used for connecting to the internet. Open "System Preferences" in the Applications folder in Finder. Open "Network" under "Internet and Wireless." Click "Advanced" and select "TCP/IP." Select "Renew DHCP License" and click ok. Attempt to connect to the internet. If the internet is still not connecting, restart the router and try the steps again. b> For non-Macs b> Open "Wireless Network Connection" from the wireless tab at the bottom of the screen. Select "Change Advanced Settings." Choose the "Wireless Networks" tab. Choose the wireless network you want to connect to and select the "Properties" button. Under the "Association" tab, make sure the Network Authentication has the proper security level chosen. Enter your network key if your security code is anything other than "Open" or "Shared." Select OK and try to connect. Go Back to "Wireless Networks" tab -> "Properties" and click on "Authentication" tab and un-select the "Enable authentication for the network" selection if the network key is still not authenticating the router. Select OK and try to connect. Hope this helps.
All the laptops available in market have built in wireless 802.11 b/g/n or 802.11 b/g/n Bluetooth® wireless networking. It means that you can access the internet via Wi-Fi or through Wi-Fi hotspots. In wireless connectivity you do not require the wired connection to access the internet. In home you can connect the laptop via wireless connection using the home networking router available in market. The advantage of wireless connection is that you can use the internet in your home anywhere with in 100 meters of range with proper wireless signals.You will require to get the internet connection from the ISP(Internet Service Provider).
Please visit the link provided below for Home Networking Wireless Router:
Try resetting the router (unplug for a few minutes) next --be sure the wifi switch is enabled on the netbook---next---go to CONTROL PANEL>NETWORK CONNECTIONS--right click oin your wifi card and choose properties--highlight INTERNET PROTOCOL and choose properties and be sure "OPTAIN IP ADDRESS AUTOMATICALLY" is checked--Does the laptop "SEE" the router? You will need your SSID to logon to the router(internet)
follow this is a link to a troubleshooting flow-chart
The wireless configuration is set differently on routers, eg the SSID, and encryption. You need to configure the wireless LAN card in the laptop to connect/communicate with the different routers.
Some wireless LAN card allow you to setup different profiles/settings for different wireless routers. Eg one setting for the office and one for home, which allows easy connection to the Internet by selecting the appropriate profile/setting.
When you say "IP and DNS settings are correct", can you define what "correct" is? IP and DNS settings change depending on the wireless network they're using, so one setting will not work for all networks. The most "correct" setting you can have is probably DHCP - which is called "Obtain IP address automatically" and the same for DNS. If your laptop has any statically assigned IP information, make a note of what they are, and then change it to DHCP and see if you have better luck. If you have statically assigned IP information, it will allow you to connect to the wireless network, but not provide internet access because your IP scheme and DNS settings are wrong. It sounds like the scenario you're describing.
Is wireless turned on? There is a slider switch on your laptop that turns wireless on and off. If it's on you should see a little blue light, if it's off it's amber-colored.
Next, make sure you're wireless security settings match those on the router.
Do you have a wireless adapter program on your laptop or are you using the windows wireless setup (if you R-click on the wireless icon in your system tray -down by the clock- and you select, "Connect to a Network" you should see available wireless networks. If there is a message that says Windows cannot manage your wireless connection, then you're using a 3rd party wireless manager. You need to find out what it is and if it's running it needs to be configured to work with your router.)
I believe you are trying to connect wirelessly using your laptop to your wireless router(Belkin 59G). Try to hook it up first on your computer and check if you can go online.
If yes, then that's the time you go to the router's set up page and check the wireless security of the router so that you can connect wirelessly.
If not, then you have to reconfigure the router and the modem. If your internet service provider is cable you can just turn off the router then the modem and waitfor 5 seconds. Turn on the modem, wait for the lights to turn on then the router. After that, check if the computer will be able to go online when connected directly to the router.
make sure that your wireless or wifi light is on,you may try to press Fn and F2 at the same time to enable or swith on wireless..if wifi is already on,try going to start >> control panel >> network connections,go to wireless network connection and double click it, it will give you a list of wireless network,or right click and then "view available wireless network", if you get an error that windows cannot configure wireless connection,go to start >> all programs >> loo for either dell wlan utility or intel pro wireless, by opening that app,it will also search for wireless network in range,just double click on the network name where you want to connect and you sould be connected provided that "wireless network" doesnt have encryption like wpa or wep key..if your connecting to your home network,you should have wireless router at home and wireless is enabled on the router.