How does the Win7 system modify the physical address?

Many local network connections are IP-bound computer physical addresses. The user of Win7 system can't get on the network after changing the computer. I don't know how to modify the physical address. What is the method to modify the physical address?

The method is as follows:

1. Click on the right side. Network connection, click “ Open Network and Sharing Center in the pop-up dialog box.

2. Click on <;Change Adapter Settings> in the Network and Sharing Center interface.

3, enter the network connection interface, right click "local connection".

4. In the pop-up menu, select “Properties”.

5. Click the “Configure” button in the Local Connection Properties interface.

6. Switch to the “Advanced” tab, find and click “Network Address” in the attribute list, enter the modified network address on the right, and click the OK button.

7. Using the command prompt, type Ipconfig -all to view the modified physical address.