Apple MB003LL/A, MC233LL/A manual Using Apple Hardware Test

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If the screen suddenly goes black or your MacBook Air freezes

Try restarting your MacBook Air.

1Unplug any devices that are connected to your MacBook Air, except the power adapter.

2Press the power (®) button to restart the system.

3Let the battery charge to at least 10 percent before plugging in any external devices and resuming your work.

To see how much the battery has charged, look at the Battery ( ) status icon in the menu bar.

The screen might also darken if you have energy saver features set for the battery.

If your MacBook Air can’t connect to another computer’s optical disc drive To use services such as Migration Assistant, DVD or CD Sharing, Remote Install

Mac OS X, and iTunes music sharing, both your MacBook Air and the other computer must be connected to the same network. If your MacBook Air is connected wirelessly and the other computer is connected to a third-party router by Ethernet, check your router documentation to make sure it supports bridging a wireless to wired connection.

Using Apple Hardware Test

If you suspect a problem with the MacBook Air hardware, you can use the Apple Hardware Test application to help determine if there’s a problem with one of the computer’s components, such as the memory or processor.

Chapter 3 Problem, Meet Solution

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Contents Page Say hello to your MacBook Air Mac OS X Leopard Page Contents Looking for Something? Ready, Set Up, Go Welcome About Optical Discs What’s in the BoxSetting Up Your MacBook Air Ready, Set Up, Go Press the power button briefly to turn on your MacBook Air To set up your MacBook Air Configure your MacBook Air with Setup AssistantCustomize the Mac OS X desktop and set preferences Setting Up DVD or CD Sharing To migrate information to your MacBook Air Migrating Information to Your MacBook AirReady, Set Up, Go Ready, Set Up, Go Sharing Discs with DVD or CD Sharing Getting Additional Information onto Your MacBook AirReady, Set Up, Go To use a shared DVD or CD To wake your MacBook Air Putting Your MacBook Air to Sleep or Shutting It DownPutting Your MacBook Air to Sleep To put your MacBook Air to sleep, do one of the followingTo shut down your MacBook Air, do one of the following Shutting Down Your MacBook AirPage Life with Your MacBook Air Basic Features of Your MacBook Air Built-in mono speaker Keyboard Features of Your MacBook Air ¤ Brightness keys F1, F2 Ports on Your MacBook Air ¯ MagSafe power port Using the Trackpad and Keyboard Life with Your MacBook Air Life with Your MacBook Air Running Your MacBook Air on Battery Power To get Mac Help Getting AnswersTo learn about See More InformationChoose Help Bluetooth Help Problem, Meet Solution To force an application to quit Problems That Prevent You from Using Your MacBook AirProblem, Meet Solution If your MacBook Air doesn’t turn on or start up Using Apple Hardware Test To use Apple Hardware Test on your MacBook Air Reinstalling Software Using Remote Install Mac OSTo use Remote Install Mac OS Reinstalling the Software That Came with Your MacBook Air To install Mac OS X using a partner computer Before you install Mac OSUsing Disk Utility Resetting Your PasswordTo use Disk Utility from a partner computer To reset your password, using a MacBook Air SuperDrive Reinstalling Software Using the MacBook Air SuperDriveTo use Disk Utility from a MacBook Air SuperDrive Problems with Your Internet Connection Problems with AirPort Extreme Wireless CommunicationTo use Network Diagnostics Online Resources Learning More, Service, and SupportTo check for updated software Keeping Your Software Up to DateOnscreen Help AppleCare Service and SupportSystem Profiler Country Phone Website Locating Your Product Serial Number Page Last, but Not Least Important Safety Information Last, but Not Least Last, but Not Least Important Handling Information Keyboard and Trackpad Understanding ErgonomicsChair External MouseBuilt-In Display Apple and the EnvironmentFCC Compliance Statement Regulatory Compliance InformationWireless Radio Use Vcci Class B Statement External USB Modem Information Disposal and Recycling Information Looking for Something? Index Looking for Something? Putting your computer to sleep Question mark, flashing Looking for Something? Page