- How to boot up your Mac in Recovery Mode. Startup or restart your Mac and immediately press and hold command-R on your keyboard. Release the keys when you see the Apple logo or a spinning globe. Click an option. Start up in single-user mode: command-S.
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Every time you power up your Mac, it greets you with that distinctive chime that Apple computers have become known for. This startup tone lets you know that your Mac has passed a pre-boot test and that everything is working fine, but after a while the startup sound can become annoying – and perhaps even embarrassing if you regularly use your Mac in quiet locations such as libraries. Home Other Apple Mac Startup and Crash Sounds Startup iMac G3. Beam your phone up with these great ringtones from the Star Trek tv series. The sound is fine when in Apple mode, but when booted up in Windows 10, all seems to be fine except that there is no sound from the internal speakers. The i-Mac uses a cirrus sound chip, we can't find a Windows driver for it anywhere on line. Windows says that the sound is working correctly, but still no sound!
Speed Up Mac Boot
When you are working in silent office environment or in a study room then you may want to turn off startup sound of Mac. So, here we are writing the process which you may follow to control or completely turn off startup sound.
Control startup sound on Mac OS X
Step 1
Download and install StartupSound.prefPane
Step 2
Boot Up Mac From Usb
Now click on Apple logo > System Preferences
Step 3
Under Other section click on Startup Sound icon
You can controls or mute Mac startup sound using volume slider or you can turn the startup sound off by clicking on Mute checkbox
Just for prevention measure always Click the lock to prevent further changes on above screen.
You can use this guide on any Apple MacBook, MacBook Pro, iMac, MacMini or computer that using Apple Mac OS X.
Mac Os Startup Sound Download
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