I have a Dell Inspiron 8100 and I thought I had a faulty keyboard but after replacing the keyboard the same problem has continued? The problems is that everything below the A,S row doesn’t work along with enter and the arrow keys. I have read it could be the bios, windows or the keyboard interface. I flashed to the newest bios and have trouble shot windows (I am running Win 2K) and have found no problems…does anyone have any suggestions? Is there anyway to know that it is the interface before I buy another motherboard?