If you have an HP w2408h and want to test out the auto rotate you first have to install some software called My HP Display. This software can be downloaded from HP here. First choose the your Operating System from the list on HP’s site so you can download the proper software. Under Utility - Tools choose to download My HP display and then unpack and install once on your PC. After the software is installed you will need to reboot for the software to finish installing. Once your computer is restarted click the Windows icon in the bottom left of your screen, choose All Programs, and click on My HP Display to access the display administration window. When you access the administration window you will need to walk through a 5 step setup process to enable the screen rotation. Once you have been through the 5 step wizard and closed the My HP Display administration window you can now grab your screen and rotate it. The screen should rotate 90 degrees clockwise