Intel PRO/Wireless LAN 2100 3B Mini PCI adapter software (w70n51.sys)

My computer crashed on the error with the adapter software. I was able to downloaded from Dell.com website. The way to do is: 1. click on drivers and Downloads 2. select your model 3. select networking under category going down the page you should see an driver for Intel PRO/Wireless LAN 2100 3B Mini PCI adapter. I downloaded and installed. my computer has not crashed in the past 24 hours! It is not a very intuitive way of finding it. I thought I should share it with people who experienced the same problem.