This is an internal wireless card that is compatible with many Dell Inspiron laptops including the 2200. http://www.laptopspare.com/inprowm80mip.html for more information.

Support Information:
Device Type: Network Devices
Manufacturer: Intel
Model: wm3a2200bg
Interface: IDE
Operating System: Windows XP Professional
Age of Device: Not specified
FCCID: e2k24gbrl

Find it on DriverGuide (http://members.driverguide.com/index.php?action=srch&sm=b&aax=&qa6=496&qa5=12&qa7=1500&dp=3&qm0=wm3a2200bg&jmd=and&fzz=d) | Find it with Google (http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&q=Intel+Network+Devices++wm3a2200bg+Windows+XP+Pro fessional+e2k24gbrl) | Research manufacturer Intel (http://members.driverguide.com/index.php?action=getinfo&companyid=496)

You need to determine what chipset the device has and download accordingly. ie: if it's intel, then download Intel driver from Dell:

http://support.dell.com/support/downloads/driverslist.aspx?c=us&l=en&s=gen&ServiceTag=&SystemID=INS_PNT_PM_600M&os=WW1&osl=en&catid=&impid=