The HP Compaq TC4400 is a tablet-style personal computer. It can be used in the position of a normal laptop or the screen can be turned and folded down for .View full HP Compaq tc4400 specs on CNET. Intel Centrino Duo. Operating System. Microsoft Windows XP Tablet PC Edition 2005. Manufacturer.Download the latest driver, firmware, and software for your HP Compaq This is HP's official website to download drivers free of cost for your HP Is my Windows version 32-bit or 64-bit? 1 - 4 of 7 Video Tutorials | Show all Show less .Results 1 - 25 of 251 HP Compaq tc4400 Touchscreen Laptop/Tablet 2GB of Memory Ram 120GB Hard Drive Windows 7 Professional 64bit Microsoft office .Nov 8, 2006 The HP TC4400 convertible Tablet PC is a refresh of the popular TC4200. The TC4400 OS – Windows XP Tablet PC Edition 2005. Intel Core .