When finished, type Exit then press enter to close the command window.
It is also possible to determine the MAC address of a NIC with the ipconfig /all command. Which returns quite a bit of other information as well:.
At the prompt in the open command Window: Type getmac /v: The MAC address, labeled "Physical Address," will be displayed in the form xx-xx-xx-xx-xx-xx:.
(Click Start, Run, Type CMD, then right-click CMD.exe on the menu, and click Run as Administrator) To locate the MAC address of a NIC in Windows, follow these steps: Issue 2: Locating the MAC Address of a NIC in Windows The instructions in this article explain how to do so. You may find it useful in some situations to determine the MAC address of a NIC in Windows. This address can be used by routers and switches to control access to a network.
Locating the MAC Address of a Network Adapter in WindowsĪ network adapter, also called a Network Interface Card or NIC, is equipped with a unique identifier known as the Media Access Control ( MAC) address.
If you completed the previous steps and determined that the problem is not with the card or expansion slots on the motherboard, you may need to update the EFI firmware on your system.This article describes how to find the Media Access Control (MAC) address of a network adapter in Windows.
Put the new expansion card in another computer.
Put a different expansion card in the slot that is experiencing the issue.
PCI Express expansion cards do not fit or work in PCI expansion slots, and PCI expansion cards do not fit or work in PCI Express expansion slots. Note: PCI Express cards work in PCI Express slots that are longer than the card and do not use the entire slot's capabilities.
Move the expansion card to another PCI or PCI Express slot.
If the card is on an angle, it can cause issues and may not function properly. Put the card back into the computer, making sure to apply firm pressure across the entire card.
Turn off the computer, unplug the power cord, and remove the expansion card.
If you installed a new PCI or PCI Express expansion card and Mac OS cannot detect the card, you can complete the following troubleshooting tasks to help to resolve the issue:
In the upper-left screen, click the Apple icon.
You can find the name of the chipset on the Technical Specifications tab for the product ID on To open System Information, complete the following: The expansion card is listed in System Information as the name of the chipset. Setup is simpleafter installing the low-profile card into an available x8 or x16 PCIe. The Presto 10GbE SFP+ dual-port 10 Gigabit Ethernet PCI Express 2.0 adapter card enables you to connect your computer to high-speed infrastructure and storage without stepping down in speed. An example of an appropriate heading for a network card is Ethernet Cards. Presto 10GbE SFP+: Provides 10GbE Connectivity to Mac and PCs. To determine if Mac OS detects your expansion card, you need to check System Information to see if the card is listed under the appropriate heading or is listed with an error (for example, Device has not been configured).
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