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How to Disable Mac Startup Sound - Made Stuff Easy

    https://madestuffeasy.com/disable-mac-startup-sound/#:~:text=Press%20the%20Mute%20tab%20or%20F10%20on%20the,the%20desktop%20screen.%20A%20drop-down%20menu%20will%20appear.
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how do I turn off optical digital-out por… - Apple Community

    https://discussions.apple.com/thread/4571999
    Just want to report that I too, running 10.6.5 on a MacBook Pro, had the mysterious " Audio Out Stuck On Optical Digital-Out Port" problem whereby I was unable to adjust the volume on my built-in speakers and they were permanently "muted" because the operating system was sending the audio signal to a non-existent device that it falsely thought was plugged in to my …

Need help turning OFF optical digital-out | MacRumors Forums

    https://forums.macrumors.com/threads/need-help-turning-off-optical-digital-out.2056201/
    Now I'm using bluetooth devices to have sound from my macbook pro. The question: How to manually turn off/uninstall/ruin optical digital-out port "drivers" (i dont know how to properly call them). I'm only looking forward to have sound from built in speakers, dont nead headphone port, already using bluetooth. MacBook Pro (Retina, 15-inch, Mid 2014)

How to Disable the Digital Audio Out in a MacBook Pro ...

    https://www.youtube.com/watch?v=fhIhcIjIlVE
    Subscribe Now:http://www.youtube.com/subscription_center?add_user=ehowWatch More:http://www.youtube.com/ehowDisabling the digital audio out in a …

SOLVED: Optical out won't turn off. Internal speakers won ...

    https://www.ifixit.com/Answers/View/79116/Optical+out+won't+turn+off.+Internal+speakers+won't+work.+How+to+fix
    Make sure the power supply is plugged in (If a MacBook or MacBook Pro). Hold down the keys "Shift+Control+Option+Power" at the same time for 10 seconds. If done correctly, the computer does not power on at this time and stays dark. Next, hit the power key to turn and the computer, and immediately.

How to disable the optical drive on my MacBook Pro - …

    https://www.quora.com/How-can-I-disable-the-optical-drive-on-my-MacBook-Pro
    That's the driver that controls the drive. Something like: sudo mkdir -p /System/Library/Extensions-Disabled/. sudo mv /System/Library/Extensions/IODVDStorageFamily.kext /System/Library/Extensions-Disabled/. I'd personally suggest opening the machine and just disconnecting the drive.

audio - How do I fix a MacBook earphone port, stuck in ...

    https://apple.stackexchange.com/questions/228238/how-do-i-fix-a-macbook-earphone-port-stuck-in-optical-mode
    My 2009 MacBook’s speaker doesn't work (most times). The digital audio out port gets stuck (a red glow appears from within the socket). It is an old MacBook with separate headset & mic ports. I have discounted problems with the speaker as the startup sound goes directly to the built-in speakers.

How To Turn Off Keyboard Sound On Macbook Pro?

    https://www.ifon.ca/how-to-turn-off-keyboard-sound-on-macbook-pro.html
    Click on the Apple logo in the top-left corner of your screen and select “System Preferences…”. When the preferences panel opens, click on the option that says “Sound.”. Click on “Sound Effects” tab on the following screen to access the sound effects settings. Also know, how do I silence the keyboard on my Macbook Pro?

You Asked: How To Use Cd In Macbook Pro?

    https://www.ifon.ca/how-to-use-cd-in-macbook-pro.html
    On your Mac, choose Apple menu > About This Mac. Click System Report, then click Disc Burning and review the information for your optical drive. If you don’t see a drive listed that supports discs in CD, DVD or Blu-ray format, it means an optical drive isn’t available.

SOLVED: Headphone Jack Stuck on Digital Out - MacBook Core ...

    https://www.ifixit.com/Answers/View/821/Headphone+Jack+Stuck+on+Digital+Out
    The VoodooHDA kext for hackintoshes can force the audio codec to ignore the presence of an optical plug and give you normal behavior switching only between headphones and speakers. By removing a resistor (or inductor, depending on your exact model - my comment over on the macrumors thread specifies) from the circuit that detects as SPDIF optical plug, …

Play high sample rate digital audio on Mac computers ...

    https://support.apple.com/en-us/HT202730
    Open Audio MIDI Setup, which is in the Utilities folder of your Applications folder. Select your audio device from the list on the left side of the Audio Devices window. If necessary, choose “Use this device for sound output” from the Action pop-up menu . Select a sample rate, such as 176400.0 Hz or 192000.0 Hz, from the Format pop-up menu.

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