O in windows 8 and windows 10 right click the start

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o In Windows 8 and Windows 10, right-click the Start button, and then click Network Connections . If the network interface card is detected and configured, you should see an Ethernet or Wi-Fi icon in the Network Connections window. Make sure that the connection is enabled. If there is no icon, check Device Manager to make sure that the device is detected, has the appropriate drivers, and is enabled. If there is no network device, then the hardware could not be detected. Verify physical connectivity If you have a network connection in Windows, verify that the adapter can establish a physical connection to the network. For wired connections: o The notification area includes a Network icon that indicates the physical status of the connection. If the cable is unplugged or the NIC cannot find a connected device, the Network icon will have an X on it. o Check the status lights on the back of the NIC to verify the physical status. There should be a link light that is green. An unlit link light or one that is another color (like red or yellow) indicates a physical connectivity problem. For wireless connections: o The notification area includes a Wireless Network icon that indicates the connection status. If the computer is not connected to any wireless network, the icon will have an X on it. o Make sure the wireless NIC is installed properly and, if applicable, has any necessary antennae installed. If you suspect a problem with the physical connection, try the following: For wired connections: o Use a different network cable that you know works. You can use a cable tester or cable certifier to test the network cabling behind the wall between the wall jack and the punch- down panel. You can also use a tone generator (sometimes called a toner) and probe to trace the location of cables through the wall and ceiling. o Connect the cable to a different hub or switch port and check the status lights on the port. o Try installing a different network adapter, such as an external adapter that connects through a USB port. For wireless connections: o Verify that the SSID settings are correct. If the SSID is hidden, make sure the manually entered SSID has been entered correctly. o Make sure both the authentication type and passphrase are correct. o If mac address filtering is being used, ensure the device has been properly configured on the access point. o If the SSID is hidden, make sure the manually entered SSID has been entered correctly. o Use a wireless analyzer, which can be installed on a smartphone or tablet, to do the following: Locate wireless networks. Identify crowded channels or sources of interference. Find locations with poor wireless coverage. Detect rogue access points. Verify the IP If the network adapter has a physical connection, verify the IP configuration for the connection.
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configuration Use Ipconfig to view the IP address, subnet mask, and default gateway configured for the system.
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