Emachine d620 detects wireless networks, but won't connect. machine won't diagnose problem. machine will connect when hardwired to router.

Driver problem

To connect your computer to a wireless router, you click the Refresh network list, then Choose your wireless network and then click Connect to your secured Wireless Network, it will asks for a Network Key before allowing you to connect into your wireless network. This Network Key is either the WEP, or WPA or WPA2 Encryption key that is used to configure the Wireless Router. The Passphrase is an alternate way to setup the Encryption key.
When you are requested for a Network Key, you can just enter the Passphrase that was used to configure the Encryption key in the wireless router.
http://www.fixya.com/support/r5270415-network_password_network_address
For information on securing your wireless network, configuring the wireless router and configuring the wireless card in the laptop/computer, please click on this link and follow my instructions :-
http://www.fixya.com/support/r3559128-wireless_router_security

This is worked for me on Vista:
1. Goto Network and Sharing Center.
2. Click on your Wireless Connection "View Status".
3. Click on Propertes.
4. Uncheck the option that says "Internet Protocol Version 6"

When I did this, my wireless began working again.

The new machine's network settings need to have the GATEWAY ip address set to the ip address of the router which will be something like 192.168.0.1 depending on the router you're using. If you can't see any networks available make sure the wireless connection isn't disabled. Look at NETWORK CONNECTIONS, wireless connection and see that it doesn't say disabled. If it is simply right click and select ENABLE.

Isolate the issue by directly connecting the PC to the router via ethernet cable (if possible).

If you were able to get online while hardwired connected to the router, then check the IP address of the wireless network connection, check the wireless security if the network key matches.

If you cannot get online while hardwired to the router, then directly connect the computer to the modem.

If you were able to get online while directly connected to the modem, then the problem is the internet settings on the router. Check the WAN configuration, such as DHCP or PPPoE.

If you cannot get online when directly connected to the modem, then you will need to contact your Internet Service Provider.

the easiest way is hard wire a windows laptop and use the CD that came with the router.

try to do a power cycle. turn off everything. then turn on the modem first the the router (if you're using one) then the computers.
check if the cables are properly connected, try to use another cable for hardwired computers. for wireless computers, make sure that it's connecting to the correct wireless network and you are using the correct wireless password (wpa/wep)
if you want to check your wireless settings, just log in to your router's page by typing http://192.168.0.1 on the address bar of your web browser. by default the username is admin and there's no password. you will be prompted by the router's page, go to the wireless section and check the router settings are the same with what the wireless computers are using

hope this'll help you but if you still have a problem, just give me your network setup (i.e. brand of the modem, router, number of computers and if PCs are hardwired or wireless)

cioa!

hello!

the number ports are the actual ports at the back of the router where you will plug the cable to connect your computer directly to the router.

to find the network key for your wireless connection, you need to connect your computer directly to the router and access the setup page of your router. You need to go to the wireless settings and get the wireless network key from there.

Good day!

If your Desktop computer is hardwired to the router and your laptop computers can't connect wirelessly, it could be your wireless computers are not synchronized with your router by not having the same settings as the router.

You can use the desktop machine to access your router web interface (setup page) to check the wireless settings such as SSID (Network Name-> Name of your wireless signal shown on your laptop computers), channel and security (wether it is WEP or WPA encryption)

The channel and network name will be automatically detected by the wireless computers. If you have an encryption/security on the router, you need to type the password on the wireless computers for them to authenticate.

Try these and post back if there's any progress

i assume that your computer can access the internet while hardwired to the wireless-g router. if so, you just need to connect your wireless computer to the wireless signal of the wireless-g router. you just need to scan or view the available networks detected by your wireless computer and select the wireless name (ssid) of your wireless-g router. make sure to enter the correct wireless security (network key) if it's enabled on your router. i hope this'll help you but if you can't still access the internet wirelessly, provide the specific model number of your wireless-g router, specify if you're using a laptop or a wireless desktop, and the brand and model of your wireless card/adapter