How do I fix the prohibitory symbol on my Mac?
Prohibitory symbol displayed when booting into macOS Mojave 10.14 beta 4
- Press and hold the Option key immediately after turning on or restarting your Mac.
- Release the Option key when you see the Startup Manager window.
- Select your startup disk, then click the arrow under its icon, or press Return.
Why can’t I adjust my Mac volume?
Check System Preferences: Open System Preferences and click Sound. Click the Output tab and click on Internal Speakers. Check that Mute next to Output Volume is not muted (there should be no tick in the checkbox). Make sure that the Output Volume slider is moved to the right.
Why is there a globe on my Mac?
If you see a spinning globe instead of an Apple logo, it means your Mac is starting from a network-based startup disk like Netboot or Internet Recovery instead of a connected or built-in startup disk. If you didn’t mean for your Mac to start this way, press and hold the power key to turn off your Mac.
Why is the volume on my Mac locked?
Go to System Preferences -> Sound -> Output. There should be item ‘Internal Speakers (type: Built-in)’ selected. In my case, ‘Internal Speakers’ were not present, rather there was ‘Digital Out’ selected and below message ‘Volume cannot be controlled’.
How do I get rid of the circle with a line through it on my Mac?
Press and hold the power button on your Mac for up to 10 seconds, until your Mac turns off. Turn on your Mac and immediately press and hold both Command (⌘) and R to start up from macOS Recovery. While in macOS Recovery, use Disk Utility to repair your startup disk.
How do I get rid of rainbow wheel?
Here’s how to combat the spinning rainbow wheel of death:
- Stay Calm!
- Wait at least 15 – 30 seconds to see if the wheel will disappear on it’s own.
- If it doesn’t disappear, open your task manager by hitting Command + Option (alt) + Esc on your keyboard.
- DO NOT force quit the application.
How do I reset my sound settings on my Mac?
Change the sound output settings on Mac
- On your Mac, choose Apple menu > System Preferences, click Sound , then click Output.
- Select the device you want to use in the list of sound output devices.
- Do any of the following to adjust your sound output settings:
Why does my macbook have a spinning wheel?
Force Quit Oftentimes, the spinning wheel appears when a program becomes unresponsive. This can happen when a program is demanding and your computer can’t quite keep up. By force quitting the program, you can usually get rid of the spinning wheel.
What is spinning rainbow wheel on Mac?
That rainbow spinning wheel (whatever you might call it) is a common macOS wait cursor. It’s triggered when an application doesn’t respond for a few seconds and signals that you should wait before giving the app more instructions.
How do I reset Nvram on Mac?
Shut down your Mac, then turn it on and immediately press and hold these four keys together: Option, Command, P, and R. You can release the keys after about 20 seconds, during which your Mac might appear to restart.
What to do when your Mac starts up to a circle?
If your Mac starts up to a circle with a line through it. Press and hold the power button on your Mac for up to 10 seconds, until your Mac turns off. Turn on your Mac and immediately press and hold both Command (⌘) and R to start up from macOS Recovery . While in macOS Recovery, use Disk Utility to
How does line in audio work on a Mac?
Here’s how to use audio line-in audio input devices on macOS. What Is Line In Audio? A line-in audio jack on a device allows you to input sounds to that device. This is in contrast to the typical audio-out (or line-out) jack, which you might use to play sounds from your PC on external devices like a speaker system.
How does the input volume slider work on a Mac?
The Input volume slider allows you to change the volume of your inputted sound. Reducing the volume on an external microphone, for instance, would reduce how loud any recorded sound would be. Use your trackpad or mouse to move the slider left to reduce the volume or right to increase it.
What does a circle with a line through it mean?
A circle with a line through it means that your startup disk contains a Mac operating system, but it’s not a macOS that your Mac can use. A prohibitory symbol, which looks like a circle with a line or slash through it, means that your startup disk contains a Mac operating system, but it’s not a version or build of macOS that your Mac can use.