My laptop has limited connectivity to my network and my 2nd desktop totally lost connectivity to my network. They were working fine last night and pretty much the whole afternoon today. About an hour ago, they both just quit working.
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Before connecting to the wireless network, you should know all the wireless settings of the router. once you get the wireless settings of the network then you can connect ot the network. You are using WINDOWS VISTA. In the right hand side at the bottom, you will find 2 cmputer icon. Right click on it and you will see your network. try to connect to the network. Click Here for more information about how to connect to the wireless network.
Try resetting your wireless router first, then make sure that the network you are connecting to is yours and not another nearby wireless signal (I live in an area that's polluted with wireless signals and sometimes a neighbor's signal will be stronger than mine, so it will try to connect to theirs). If that doesn't work then go to your Network and Sharing Center and choose the setup a network connection option. You'll have to manually enter your info again but it should work fine.
Just configure the wireless settings your laptop. Go to Network Connections > Right-click on Wireless Network > Properties. Go to Wireless Network tab and look for Preferred Networks. Just remove all of them and click OK.
Now, On the Network Connections, right-click on Wireless Network Connection > View Available Wireless Networks. Connect to your own wireless network and enter your wireless network key if it tells you to type it. That should fix your wireless connection. Now if your wireless network is not showing, you need to change the wireless channel of your router by accessing the router's setup page using your wired computer.
Recreate your wlan network. WLAN signal refers only to radio signal between Router and PC no link with your capability to pass-through: wrong password, access list or firewall can block your access with the strongest radio signal. Check (or recreate ) your credential on your PC. Check if you can log as admin into your Router.
If you disconnect the desktop from the modem, were you able to get an Internet connection in your laptop?
In order to get Internet connectivity on your desktop at the same time with the laptop, then the desktop needs to be connected to the router. It should be connected to one of the Ethernet ports at the back of the router. Since, your desktop doesn't have an Ethernet port, then you need to connect a USB to Ethernet adapter to your desktop. Then from that adapter, you will connect to it an Ethernet cable going to the router.
You may check the following models:
Belkin Gigabit USB 2.0 Network Adapter(F5D5055)
There are other brands that offer USB to Ethernet adapters that you can check.
The problem may lie with your WiFi adapter on the 2nd computer.. these days NICs (adapters) have a Power Off capability and they will go to 'sleep' to save power.. you can try to resolve this through the Device Manager > Network Adapters > and the Properties of your WiFi adapter.. look for a tab on the Properties named Power Management..
Otherwise, it this is occuring on the WiFi Access Point, look for something in the interface to maintain Persistent Connections.. Since I do not use Netgear, I would have to find the manual to be sure.. but lets try the first option before we go on..