Hello my Macbook Air is not opening right now, it makes noise and showing support.apple.com./Mac/startup
my computer is not working, when I try to turn on it makes noise and just black screen
MacBook Air 13″, macOS 12.3
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Read the following instructions from If your Mac starts up to a circle with a line through it - Apple Support
If your Mac starts up to a circle with a line through it
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.
- 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.
- If Disk Utility found no errors or repaired all errors, reinstall macOS.
- If you still need help, please contact Apple Support.