A Gateway 500SE is not a network adapter, it's a desktop computer. All available drivers for this computer are posted on the manufacturers website:
Drivers:
http://support.gateway.com/support/d...¶m=2800071
Product:
http://support.gateway.com/s/PC/2800071/2800071nv.shtml
Please, in the future use the Comment box we provide and explain your hardware better. ie: lan, wlan, and/or the chipset number.
According to the specs. published (link below) for this machine by the manufacturer, there is no network device shipped with or installed in this computer:
http://support.gateway.com/s/PC/2800...00050su4.shtml