Installing Ubuntu on an old computer (Wireless issue)

Installing Ubuntu I tried to install the newest version of Ubuntu on an old Dell Inspiron 2200. (more than 10 years old) I kept getting this error: This kernel requires the following features not present on the CPU: pae Unable to boot - please use a kernel appropriate for your CPU. Goggle took me here: http://askubuntu.com/questions/117744/how-can-i-install-on-a-non-pae-cpu-error-kernel-requires-features-not-present But...