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Apple Portables: Determining Battery Cycle Count
For computers with Mac OS X v10.4.x or later, use the steps in this article to determine the cycles on your Apple portable computer's battery.
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How to identify your MacBook Air
Learn how to identify which MacBook Air model you have.
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Mac 101: Connecting a home stereo, iPod, iPad, musical instruments, or speakers
You can easily connect guitars, microphones, keyboards, digital music players, home stereos, and speakers to your Mac. Learn how to connect third-party audio and music devices to your Mac, and how to configure them for use.
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PowerBook G4 Computers: How to Identify Different Models
This article explains how to identify the various PowerBook G4 computers.
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Monitor and display adapter table
Apple produces a number of different display adapters for Apple computers using a variety of connectors. To learn about the Apple display adapters used with Mac computers (since 2001) use the images and information in the table below.
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How to clean Apple products
Read recommendations and guidelines for cleaning your Apple computer, iPad, iPhone, iPod, display, or peripheral device.
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Intel-based Macs: Troubleshooting issues after using the SMC Firmware Updater
When upgrading the SMC (System Management Controller) firmware on an Intel-based Mac, you experience issues if power was interrupted during the update process, or if the firmware update installation did not work for other reasons. Issues may occur when starting up, displaying video, going to sleep, or there may be fan noise issues.
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MacBook Air (Original), MacBook Air (Late 2008), and MacBook Air (Mid 2009): Headphone jack and third-party audio product compatibility
Some third-party audio products, such as headphones, may not plug into the MacBook Air headphone jack because part of the connector does not fit within the port hatch. In some instances, it may appear to fit, but the audio quality is intermittent or poor when used with these models of MacBook Air:
MacBook Air (Original)
MacBook Air (Late 2008)
MacBook Air (Mid 2009)
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Intel-based Mac: Startup sequence and error codes, symbols
The following is an overview of the startup sequence, error conditions, and behaviors for all Intel-based Macintosh systems.
Note that some newer Macintosh models only use tones to indicate error conditions. See this article for more information.
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MacBook Pro: About automatic graphics switching and OpenGL applications
You may notice your battery life seems decreased while certain applications are running, even when you have enabled the "Automatic graphics switching" option in the Energy Saver preferences.
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MacBook Pro: How to find the serial number
Learn how to find the serial number of your MacBook Pro.
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Europe: Service Certification Training and Testing Centres
Apple, Inc. authorizes the training companies listed in this article to train Apple Authorized Service Providers, Apple dealers, and customers of Apple Computer to repair Apple products.
The Apple Authorized Training Centres (AATCs) deliver training and administer tests within the Apple Certified Service Engineer Program, using training materials and certification tests developed by Apple Computer. Apple recommends using these AATCs to train Service Engineers for the Apple Certified Desktop Technician and Apple Certified Portable Technician exams.
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How to identify MacBook Pro models
Use this information to help you determine which MacBook Pro model you have.
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About the SMC Firmware Updates
SMC Firmware Updates refer to the System Management Controller (SMC) firmware update for Intel-based computers. The SMC is a micro-controller on the logic board that controls the power functions for your computer. The SMC controls various functions, including:
Power and thermal management, the Sleep LED, and battery.
Controlling the fans, supporting Sudden Motion Sensor, Ambient Light Sensor (ALS), and the power switch.
Tip: Print or write down these instructions before you begin installing the update.
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MacBook Pro (15-inch, Mid 2010) and later, MacBook Pro (17-inch, Mid 2010) and later: How to set graphics performance
Learn how to adjust graphics performance on your MacBook Pro (15-inch or 17-inch, Mid 2010) and later.
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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.
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Apple Thunderbolt Display: Image on display intermittently goes dark, USB devices not available after waking from sleep
In rare instances you may notice the image on your Apple Thunderbolt Display (27-inch) disappears or goes dark intermittently during normal use. Some USB devices may not available after waking your computer from sleep.
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Apple Portables: Key placement and functions
Over time the layout and placement of special keys on the Apple portables keyboard has changed. Learn about the key placement and functions on Apple portable computers.
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Startup key combinations for Intel-based Macs
Learn about the startup key combinations you can use with Intel-based Macs.
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Portables: Adjusting the keyboard backlight
Many portable computers feature a backlit keyboard. Learn how to change your System Preferences to experience different keyboard backlight behaviors If your portable supports this feature.
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About Mini DisplayPort to HDMI adapters
Learn about the Mini DisplayPort in the latest Mac models, which enables audio and video output for DisplayPort and HDMI.
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Apple Computers and Displays: Powering peripherals through USB
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.
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MacBook Air: Using Apple Hardware Test
If you suspect an issue with the MacBook Air hardware, you can use the Apple Hardware Test application to help determine if there's an issue with one of the computer's components, such as the memory or processor.
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Boot Camp: Use DVD or USB storage to install Boot Camp drivers
The Boot Camp Assistant can burn Boot Camp software (drivers) to a DVD or copy it to a USB storage device, such as a flash drive or hard drive. These are the only media you can use to install Boot Camp software.
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Apple Portables: How to determine that your portable has a Multi-Touch trackpad
Many Apple portable computers have Multi-Touch trackpads that use gestures to perform tasks such as zooming, rotating images, and even switching applications. These gestures may involve two, three, or four fingers. Available gestures vary based on the Apple portable and operating system.
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