boot menu not appearing when holding alt
when i hold down alt/option, i just get a blank white screen and a cursor, no options for boot devices, internal drive has no os on it and am trying to boot from a usb
좋은 질문 입니까?
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Depending on the version of OS-X/macOS your system is running you may not have that option as your system firmware doesn’t have that feature enabled.
The OS updater will often update the firmware.
해당 답변은 도움이 되었습니까?
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