Have you checked the manufacturer of the device to find out if its compatible with Windows 7 or find out if there any available drivers or patches that might enable compatibility?
Windows 7 Compatibility Center
Check to see if your software application or hardware is on the list
http://www.microsoft.com/windows/compatibility/windows-7/en-us/default.aspx
Hardware:
http://www.microsoft.com/windows/compatibility/windows-7/en-us/Default.aspx?type=Hardware
Software:
http://www.microsoft.com/windows/compatibility/windows-7/en-us/Default.aspx?type=software
You could also try installing the driver software in compatibility mode:
You can find more information about compatibility modes in the articles below:
http://windows.microsoft.com/en-US/windows7/What-is-program-compatibility
http://windows.microsoft.com/en-us/windows7/Make-older-programs-run-in-this-version-of-Windows
Teching It Easy: With Windows |ActiveWin |Notebooks | Microsoft MVP