Find out if your hardware is compatible with Windows
To find out if your hardware (or hardware you plan to buy) is compatible with Windows 7, go to the Windows 7 Compatibility Center. This website contains a comprehensive list of hardware and devices that have been tested to work with this version of Windows.
If you're running Windows Vista and plan to upgrade your computer to Windows 7, you can find out if your computer is ready for Windows 7 by going to the Windows 7 Upgrade Advisor webpage on the Microsoft website. The Upgrade Advisor will scan your computer and tell you which drivers or devices you should update or replace before upgrading to Windows 7, as well as alert you to any incompatible programs.