PC crashed." Following file is missing or corrupt-Windows\system 32\config\system".Ran Recovery disc,but now can't access Internet.Using edimax wireless nLite dongle.Removed Macafee protection from PC (Firewall ),removed and re-loaded dongle Driver.Removed again and downloaded new driver.Can see good signal from Router ,but can't accquire network address.WPA2-PSK. Other PC and this laptop OK.Anything I can reset or is it the wireless adapter ?

HiMaybe this can Help, http://www.ezlan.net/wireless.html Jack-MVP Windows Networking. WWW.EZLAN.NET