How to modify the physical address of a Windows 7 Nic

Step 2: Click Start, select Run, and type regedit to bring up the registry.

Step 2:

HKEY_LOCAL_MACHINE/system/CurrentControlSet/control/class/ {4d36e972-e325-11ce-bfc1-08002be10318} /0000, 0001, 0002 and other primary keys, find driverdesc, the content is the description of the NIC to be modified, such as Intel's Nic will be described as "Intel (r) pro/100 + management adapter ", the 3Com NIC will be described as" 3 cometherlink XL 10/100 PCI for complete PC management NIC ( 3c 905c -TX. Note: The locations of the NIC description options mentioned above are related to the NIC itself and the operating system. Different NICs may appear in different primary keys, and the same Nic may use different versions of the operating system (such as OEM, vol, or vlk) in different locations. The task in this step is to find the primary key that contains the NIC description.

Step 2: select the primary key found in step 2, add a string in the right column, and name it "network address". The value is set to the MAC address to be changed, in the format of "000b6af" 6f 4f 9" . Note: In this step, the task of modifying the physical address of the NIC can be said to have been completed. Some NICs need to restart the following to work properly. The following steps are convenient for you to modify the physical address later.

Step 2: Add a primary key named "networkaddress" under "primary key selected in step 1"/NDI/Params. In this case, a "(default) ", set the value to the MAC address to be modified, in the form of" 000b6af 6f 4f 9" . If you do not have this string, you can add it yourself. Note: This step sets an initial MAC address for the NIC.

Step 2: Add a string named "paramdesc" under the primary key of "networkaddress". The function is to specify the description of the primary key of "networkaddress". The value can be named by yourself, for example, "network address". In this way, the "Network Address" option appears in the Advanced properties of the network adapter, that is, the new "networkaddress" item just added in the registry ", you only need to modify the MAC address here.

Step 2: Add a string named "optional" under the primary key of "networkaddress" and set its value to" 1" When the network address option is selected in the Advanced properties of the network adapter, the "nonexistent" option will appear on the right. Step 2: restart the computer (not necessarily restart, but depending on the requirements of different NICs. However, there is no error in restarting .), Find the "advanced" option in the first method and you will find that the "Network Address" option already exists in the "attribute" column. Now, the reader can directly modify the MAC address or restore the original address.