no audio drivers macbook pro 9.2 2012 el capitan

Purchase the AppleCare Protection Plan to extend your service and support to three years from your computer’s purchase date. Your MacBook Pro comes with 90 days of free telephone support and a one-year limited warranty. Buy a new Mac now and get a free upgrade to the next release of OS X when it arrives this summer.

Includes Mail, Address Book, iCal, the Mac App Store, iTunes, Safari, Time Machine, FaceTime, Photo Booth, Mission Control, Launchpad, AirDrop, Resume, Auto Save, Versions, Quick Look, Spotlight, QuickTime, and more.

Operating altitude: tested up to 10,000 feet.

Relative humidity: 0% to 90% noncondensing.Operating temperature: 50° to 95° F (10° to 35° C).60W MagSafe Power Adapter with cable management system MagSafe power port.Built-in 63.5-watt-hour lithium-polymer battery.Multi-Touch trackpad for precise cursor control supports inertial scrolling, pinch, rotate, swipe, three-finger swipe, four-finger swipe, tap, double-tap, and drag capabilities.Full-size backlit keyboard with 78 (U.S.) or 79 (ISO) keys, including 12 function keys and 4 arrow keys (inverted “T” arrangement) with ambient light sensor.

Support for audio line out (digital/analog).

Support for Apple iPhone headset with remote and microphone.

802.11n Wi-Fi wireless networking 3 IEEE 802.11a/b/g compatible.

HDMI audio and video output using third-party Mini DisplayPort to HDMI Adapter (sold separately).

Dual-link DVI output using Mini DisplayPort to Dual-Link DVI Adapter (sold separately).

VGA output using Mini DisplayPort to VGA Adapter (sold separately).

DVI output using Mini DisplayPort to DVI Adapter (sold separately).

Dual display and video mirroring: Simultaneously supports full native resolution on the built-in display and up to 2560 by 1600 pixels on an external display, both at millions of colors.

2.9GHz dual-core Intel Core i7 processor (Turbo Boost up to 3.6GHz) with 4MB 元 cache.

2.5GHz dual-core Intel Core i5 processor (Turbo Boost up to 3.1GHz) with 3MB 元 cache.

13.3-inch (diagonal) LED-backlit glossy widescreen display with support for millions of colors.

No audio drivers macbook pro 9.2 2012 el capitan