If the screen suddenly goes black or your MacBook Pro freezes

Try restarting your MacBook Pro.

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

2 Press 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 or check the battery indicator lights on the left side of your MacBook Pro. The screen might also darken if you have energy saver features set for the battery.

If an audio device plugged into the audio port isn’t working

Unplug the audio device. Choose Apple () > System Preferences, and open Sound preferences. In the Input pane, specify whether you want the port to be used for Sound Input or Sound Output. Plug the audio device back in.

Note:  If you’re running Windows on your MacBook, the port supports only audio output.

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Apple ME662LL/A manual If an audio device plugged into the audio port isn’t working

ME662LL/A specifications

The Apple ME662LL/A and ME116LL/A are two notable models from Apple's MacBook Air lineup, which have earned a reputation for their blend of portability, performance, and style. Both models are highly regarded for their lightweight design and powerful capabilities, making them ideal choices for students, professionals, and everyday users alike.

The ME662LL/A, commonly known as the MacBook Air 13-inch (2013 model), showcases a sleek aluminum chassis that enhances both durability and aesthetics. It is powered by Intel's fourth-generation Core i5 processor, allowing for smooth multitasking and efficient performance. With its 4GB of RAM and options for SSD storage, users can expect swift access to files and applications. The device features Intel HD Graphics 5000, which provides decent graphical performance for routine tasks such as web browsing, video playback, and light gaming.

On the other hand, the ME116LL/A or MacBook Air 11-inch (2013 model) offers a compact alternative without sacrificing performance. It packs similar processing power with an Intel Core i5 processor but is even more portable due to its smaller size and lighter weight. This model is perfect for users who frequently travel and require a hassle-free computing experience on the go. Although the smaller screen size contributes to reduced overall display resolution, it still delivers sharp visuals suitable for various tasks.

Both models come equipped with a Retina display that enhances clarity, brightness, and color accuracy, crucial for design work or media consumption. The keyboard features Apple's renowned design, providing a comfortable typing experience, while the integrated trackpad offers precision gestures for easy navigation.

Battery life is another standout feature, with both models boasting impressive longevity. Users can expect up to 12 hours of web browsing or video playback, making them suitable for all-day use without requiring frequent recharging.

In terms of connectivity, the MacBook Air models offer various ports, including USB 3.0 and Thunderbolt, enabling quick data transfers and compatibility with external devices. These features, combined with macOS, which offers a seamless ecosystem and productivity tools, make the ME662LL/A and ME116LL/A strong contenders in the ultraportable laptop market. Their combination of performance, design, and battery efficiency continues to attract users seeking reliable and stylish computing solutions.