Service to return without problems. Amazon Quality. By reacted against this screen before you touch. (This is a screen that reacted on infrared) Unusable with software like Sibelius. Windows 8 no "multitouch" and often not "touch" at all. Inform you about the different methods of reaction the hit, before investing in a "touch" screen. If you want a "touch" screen to Windows 8, buy a screen after the release of Windows 8.