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Korg MS20 Q & A: When Your Mac Won’t Chime

By | blog mIw, OSX apple mac
MS20 Korg

Korg MS20 Q & A: When Your Mac Won’t Chime
By Stephen Williams
February 23, 2009 6:06 pm

For some months now, my Mac Pro has refused to chime — to make that unmistakable bong sound only Apple computers make. What’s happened?
The start-up chime dates way back to 1991, when, so the story goes, Apple software programmer Jim Reekes created the C-major chord tone on his Korg synthesizer. The bong that announces a Mac boot-up also indicates that diagnostic tests performed during the boot process have found no hardware or fundamental software problems.
According to Apple, a Mac user won’t hear the chime if the settings in the System Preferences Sound panel are incorrect. To check that, go to System Preferences in the Apple menu, click on Sound, then Output, and make sure the “mute” button is not checked. If you have external speakers plugged into the audio output jack, ensure the “Built-in Line Output” is selected in the Device screen.
An Apple tech support Genius also suggested that resetting the Mac “NVRAM,” special memory that contains certain settings, might restore the chime. To do that, shut down the computer, then restart and press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears. Hold down the keys until the computer restarts and you hear the start-up sound for the second time. There’s more detailed info on NVRAM here.

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macbook air

Te Koop MacBook Air 13″ 2013 1.7 GHz i5-Sold

By | blog mIw, Te Koop wij kopen wij verkoop Apple producten
Model Number A1466
EMC 2559
Order Number MD231LL/A (128 GB), MD232LL/A (256 GB)
Initial Price $1,199 (128 GB) $1,499 (256 GB)
Current Price Show Current Price
Support Status Supported
Case Precision aluminum unibody
Weight and Dimensions 2.96 lbs., 0.11-0.68″ H x 12.8″ W x 8.94″ D

PROCESSOR

Processor Intel Core i5 or Core i7 (3427U, 3667U) (“Ivy Bridge”)
Processor Speed 1.8 GHz (Core i5) or 2.0 GHz (Core i7)
Maximum Processor Speed Up to 2.8 GHz (Core i5) or 3.2 GHz (Core i7)
Architecture 64-bit
Number of Cores 2
Cache 3 MB (1.8 GHz) 4 MB (2.0 GHz) shared L3
System Bus Intel Direct Media Interface (DMI) at 2.5 GT/s

STORAGE AND MEDIA

Storage 128, 256, or 512 GB flash storage
Media Optional external USB MacBook Air SuperDrive

KEYBOARD AND TRACKPAD

Trackpad Multi-Touch trackpad
Keyboard Full-size backlit keyboard with 78 (U.S.) or 79 (ISO) keys, including 12 function keys and 4 arrow keys
Graphics Card Intel HD Graphics 4000
Graphics Memory Up to 1 GB DDR3 SDRAM shared from main memory
Display Connection Thunderbolt digital video output
Display Support Support for up to two Thunderbolt displays
Display Modes Dual display extended, video mirroring, and AirPlay Mirroring
External Resolution Up to 2560 by 1600 pixels
Camera 720p FaceTime HD camera

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