Here lists all the issues user may encounter under Windows 7; please be aware that the situation might be differed because of optical drive, disc, or program… 1. Slow CD/DVD read time 2. Slow read time of Right Click Menu 3. Not be able to burn onto blank media with Windows. 4. Get errors when using MSI Burn Recovery 5. Close WinDVD and re-open it after play DVD for a while, and the program will not recognize the DVD disc 6. Optical Drive Auto Eject or Open Feature does not work by double click on the drive icon