Boot¶
Boot options¶
Press and hold during startup
Key combination |
Description |
cmd + v |
Verbose |
cmd + r |
Recovery mode |
cmd + s |
Single user mode |
C |
Boot from Cd / DVD |
D |
Hardware Test |
N |
Boot from network |
option |
Select boot medium |
Startup Security¶
To boot from an unsigned usb stick
Boot into recovery mode
Use the startup security utility from the utilities menu
Allow boot from external media
Disable secure boot signature check