The USB2VGA USB VGA Adapter (Multi Monitor) turns a single USB 2.0 port into a VGA output - providing high quality, dual display or multi-monitor capability for a variety of laptop or desktop applications. Functioning as an external graphics card, the device supports display resolutions of up to 1600x1200, allowing you to connect your VGA monitor without having to open the computer case to install or upgrade your existing video card. The device provides the option to mirror your display so that both are showing the same content, or extend your desktop to the secondary monitor increasing your screen real-estate. Capable of running up to five additional displays from a single source simultaneously (one USB2VGA USB VGA Adapter per monitor), this versatile adapter offers a cost-effective and scalable multi-display solution that is suitable for home, office or mobile applications. Backed by a StarTech.com 2-year warranty and free lifetime technical support.
Product Description
Startech USB 20 TO VGA DUAL DISPLAY ADAPTER USB2VGA Other Accessories
This device worked just fine once I had sorted out a problem that prevents it working.
You must have Aero turned on under Windows 7 which means selecting an Aero theme from the list of themes found at Control Panel/Appearance and Personalisation/Personalisation. It would be nice to have been told this vital fact rather than to have spent hours fiddling about.