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Step 1
Click "Start," then "Control Panel."
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Step 2
Double click "Administrative Tools" in the Control Panel, then double click "Computer Management."
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Step 3
On the left-hand side of the window, expand the list labeled "System Tools," if necessary. (System Tools is likely be expanded already.) Click "Device Manager" under the list.
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Step 4
Search the list for "Network Adapters." Click the plus sign in front of "Network Adapters" to expand a list of all installed network devices. This list contains your Ethernet card or cards and any other network devices, such as wireless networking cards. The name of your Ethernet card should contain the word "Ethernet" or "LAN adapter."
You can double click any card shown to obtain more information, such as the driver, driver date and whether the device is enabled, functioning properly and set advanced options.












