The IP address will not be lost. If you forget the IP address or do not know how to view the IP address, you can use the following methods:
Win + r key to open and run, enter cmd;
Enter ipconfig and enter in the cmd window to view the IP address.
If the computer does not know the static IP address, it is recommended to automatically obtain the IP address as follows:
Open the Network and Sharing Center;
Select the network connection status and click Properties;
Double click the ipv protocol, and change the ip address to auto obtain.