Você pode querer dar estas etapas:
Etapas para instalar drivers do Windows 7 para unidades óticas:
Step 1: Click Start button, type services in the Start Search box, and then select Services in the Programs list.
Step 2: If you are prompted for an administrator password or for a confirmation, type the password or click Continue.
Step 3: Under Name, locate the Windows Driver Foundation - User-mode Driver Framework service. Verify that the Startup type is set to Automatic. Additionally, verify that the Service status is set to Started.
Tips: If the Startup type is not set to Automatic, right-click Windows Driver Foundation - User-mode Driver Framework, and then click Properties. In the Startup type box, click Automatic , and then click OK.
Once you finished all the steps above mentioned, you will be able to install Windows 7 drivers for optical drives. This guide just tell you a way on how to make Windows 7 drivers available for optical drives. Windows 7 is released officially not long ago. If you need some Windows 7 drivers, you can go to the site of Windows 7 Drivers to get you drivers.