You may notice display anomalies or issues playing back video or other HDCP-encoded content when you use an ATI Radeon HD 5770 video card in Mac Pro computers released before the Mac Pro (Mid 2010)....

The following message may appear when you open iTunes: "iTunes requires Windows 2000 or later. Please make sure compatibility mode is disabled in the Compatibility tab of the properties for iTunes.exe."...

MobileMe Calendar offers two primary ways to share calendar information with other people: sharing calendars and sharing single events by inviting people to them. Unexpected results can occur if these sharing methods are used simultaneously. If you invited shared calendar participants or the calendar owner to events on calendars that are already...

When configuring View Options in Remote Desktop Admin, the Network Interface option may be dimmed ("grayed out")....

Learn more about the power available via USB on Apple computers and displays and how to use peripheral devices that may require more power than is available through the USB port....

This article lists firmware updates that were released for Intel-based Macintosh computers. They update the firmware that originally shipped from the factory. If your computer does not appear on this list, an update from the factory firmware is not necessary. Some firmware updates for Intel-based Macs may not be displayed automatically using...

Thunderbolt enabled Mac computers can use Thunderbolt technology while running Boot Camp with Windows 7. Learn more about the behavior of Thunderbolt devices using Boot Camp and Windows 7....

To help you get the best Thunderbolt reliability and performance, make sure to download and install the latest software updates on your Thunderbolt-capable Mac....

Learn what to do if you can't eject a CD or DVD (stuck media) from a drive tray.  Note: Troubleshooting slot loading optical drives is addressed in another article....

Find answers to the following questions in this article: Does the graphics card in my Mac support OpenCL? What's OpenCL? Do I need to have a graphics card that supports OpenCL to use Final Cut Pro X? Is OpenCL support also required for Motion 5 or Compressor 4?  ...