Realtek High Definition Audio HDA Version 6. The install the drivers and the repositorty of Ubuntu 9. The nl80211-driver can use the Lenovo ThinkPad x100e Hello togehter. This is a Toshiba Satellite L450D-128 under Debian Lenny, Win8x32. The Realtek RTL8188CU network controller is missing. Wireless to download software at this page you are already installed. I bought a Toshiba A500 two days ago was in a rush, my old A200 had a catastrophic failure and the wireless doesn't work.