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Apple Computing Products:
macOS - Notebook Hardware
swapped HD, now grey boot screen takes a long time
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<blockquote data-quote="cwa107" data-source="post: 513592" data-attributes="member: 24098"><p>Try doing a PRAM reset. I've found that when the initial gray screen presents itself for a prolonged period, it's usually because the EFI is having a hard time detecting the boot device. Resetting the PRAM puts everything back to defaults.</p><p></p><p>Press and hold Command+Option+P+R, turn the power on and continue to hold until the system chimes 3 times.</p></blockquote><p></p>
[QUOTE="cwa107, post: 513592, member: 24098"] Try doing a PRAM reset. I've found that when the initial gray screen presents itself for a prolonged period, it's usually because the EFI is having a hard time detecting the boot device. Resetting the PRAM puts everything back to defaults. Press and hold Command+Option+P+R, turn the power on and continue to hold until the system chimes 3 times. [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
swapped HD, now grey boot screen takes a long time
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