How to change a laptop from local to wirerless

[mikeholton]

i have a acer and a netgear router and i forgot how to change the laptop to wireless other than the button

 

[Emerald]

turn on you wireless network card via switch, browse for Available Networks in you area, and connect to your wireless router.

if it is asking you to enter a password/key-phrase and you do not remember it try this with the Acer connected via network cable to the router.

http://www.tomshardware.com/forum/26718-43-find-security-password-wireless-router