NOTE: OS support: Windows Vista (32 and 64 bits), Windows 7 (32 and 64 bits)
Video interface support: VGA and DVI only.
If you do not see the screen rotation, you may need to update your graphics driver. Depending on your computer, complete the following procedures:
If you have a Dell desktop or portable computer:
Go to support.dell.com, enter your service tag, and download the latest driver for your graphics card.
If you are using a
Go to the support site for your computer and download the latest graphic drivers.
Go to your graphics card website and download the latest graphic drivers.
