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Turning off the automatic ignition and turn on the startup sound on the Mac Book Pro



If you're using any of the new Mac Book Pro, you'll realize that one of its new features is that, these automatically turn through certain actions.



Among these, are lifting the lid or when connected to a power adapter. Even if you connect one external display, you'll see light. The problem is that Apple has not provided an interface for the user to modify these parameters.

On the other hand, there are also complaints from users who want to re - enable the startup sound, which has been disabled. If you want to solve this once and for all, this article will have a help of how, through a series of steps that will be extremely easy.


Disable automatic sound when lifting the lid


To perform the automatic ignition by lifting the lid do the following:

Start a new Terminal stay in the / Applications / Utilities / folder Folder
You only need to enter the following command with administrator rights:

sudo nvram AutoBoot=

Finally, if you want to return to your original state, and make your Mac Book Pro start when you perform the above actions, writes:

sudo nvram AutoBoot=%03

It is important to know that this command will not work on the Mac Book Air, is only for the above - specified model. On the other hand, if you disable classic mode on, you also need to hear again the sounds boot.


Enable sound start in the new Mac Book Pro


Apple has disabled the startup sounds, as you may have already noticed. Now, if you want to enable them without removing the automatic ignition, writes the following in the terminal:

sudo nvram BootAudio=

This is all, it has been extremely easy ?, sure. With this you will enjoy again the audio, which you are used both to hear, in earlier versions of these great laptops. Stay tuned for more tutorials.
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