My Mac won’t turn on. I just get a flashing question mark?
When my Mac turns on all I get is a question mark in the middle of the screen
Question marked as
Means your Mac can't find an operation system.
Restart into Recovery and reinstall macOS. If you have an Intel Mac, restart while pressing/holding Command+R. If you have an M1 Mac, shutdown then press/hold the power button until you see "Loading startup options".