From time to time manufacturers publish updates to a CD or DVD drive's internal software (known as firmware). Check your computer manufacturer's website for firmware updates first. This is important because the internal drives used by some companies (including Dell) require special firmware. If an update is not available from the computer manufacturer, check with the company that made the drive.

Updating your drive's firmware is a particularly good troubleshooting step if iTunes is showing a 2122, 2123, or 2131 error when trying to burn a CD. For optical drives manufactured by Aopen, firmware updates can be downloaded at http://download.aopen.com.tw/.

Important: Use special care when installing firmware updates. Incorrectly installing a firmware update could damage the drive and make it unusable. Always check with the computer manufacturer first before checking with the drive manufacturer.

Tip: If you need help with the next two steps, contact the company that manufactured your computer or drive.