Mac 
Intel-Based Apple Portables: Troubleshooting a computer that will not power on
There are some simple troubleshooting steps you should try if your MacBook, MacBook Air or MacBook Pro won’t turn on. Use these steps if: Your Apple notebook’s display has no picture after you turn it on. You don’t hear any … Continue reading
Apple Portables: Using the Multi-Touch glass trackpad
Unlike typical trackpads, the Multi-Touch glass trackpad on the MacBook, MacBook Air, and MacBook Pro is a button in itself; you can click almost anywhere on the trackpad. The Multi-Touch trackpad also provides access to multiple gestures using two, three, … Continue reading
About integrated video on Intel-based Macs
Learn more about the integrated GPUs available with Intel-based Apple computers and the amount of system memory they share.
About the battery indicator lights on MacBook (13-inch, Aluminum, Late 2008) and MacBook Pro (Late 2008 and later)
Learn about the location and new functions of the battery indicator lights on MacBook (13-inch, Aluminum, Late 2008) and MacBook Pro (Late 2008) and later computers. These computers use a new, more convenient location for the battery indicator lights, when compared … Continue reading
Intel-Based Apple Portables: Identifying the right power adapter and power cord–US
Learn which power adapter, power cord, and plug are appropriate for each Intel-based Apple portable. Remember that size, shape, and color of replacement adapters and cords may vary.
Intel-based Apple Portables: How to swap a removable battery when a power adapter is not connected
Learn how to replace a removable battery in your MacBook or MacBook Pro without connecting to a power adapter.
Magic Trackpad: Avoiding unintentional clicks
Learn what to do if your supported Mac portable trackpad or Magic Trackpad unexpectedly appears to select (or drag across) a given area on the display after you install Magic Trackpad and Multi-Touch Trackpad Update 1.0.
MacBook Air: Optimizing AirPort performance while using Bluetooth
When connected to a wireless network using AirPort and using multiple Bluetooth devices, your AirPort may have a slightly slower transfer rate.
Sound may not automatically switch to headphones using Microsoft Windows Vista on some Mac computers
When inserting headphones into the 3.5 mm headphone jack on the following Mac computers with Microsoft Windows Vista, the sound may not automatically switch to the headphones. MacBook (13-inch, Late 2009) MacBook Pro (13-inch, Mid 2009) MacBook Pro (13-inch, Mid … Continue reading
Portables: L-shaped MagSafe power adapter does not charge computer and LED indicator light does not illuminate
In certain situations when you connect a new 60W or 85W MagSafe power adapter to the MagSafe port of an older MacBook or MacBook Pro computer, the adapter may not charge the computer and the LED indicator light on the … Continue reading
