needs to configure her router so that it establishes the connection automatically. She can do this by folowing the instructions that came with the router, but in essence she connects her laptop to the router using the cable supplied. Then she opens the router's configuration paqe (by typing an IP number into her web-browser's address bar) and enters her username and password details. This information is stored in the router's ROM (Read Only Memory).
Now the router will connect automatically, each time it's switched on.