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Question:

Question: Macbook pro won't start up including in safe mode

My macbook pro won't start up properly - upon switching on, it goes to the light grey loading screen and gets stuck there. Occasionally (but not always) a folder icon with a question mark inside appears.


I googled and the solution seemed to be start in safe mode (command R) - but it won't even do that.


Can anyone help?
Thanks!

MacBook Pro

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Question marked as Apple recommended
Answer:
Answer:

Shut down


Disconnect all external devices


Reset the System Management Controller (SMC)

https://support.apple.com/en-us/HT201295

repeat 2/3 times


Reset the nonvolatile random-access memory (NVRAM)

(OPTION+COMMAND+p+r at Startup)

How to reset NVRAM on your Mac - Apple Support

repeat 2/3 times

if you cant do this you will need to unlock the firmware password in recovery mode which may become available after disconnecting devices and resetting the SMC.


Then use safeboot (SHIFT at Startup)

https://support.apple.com/en-us/HT201262


Then reboot normally with devices disconnected.


if that fails check the drive with disk recovery

About macOS Recovery - Apple Support

Posted on

Question marked as Apple recommended

Dec 18, 2017 7:42 AM in response to luchabiao In response to luchabiao

Shut down


Disconnect all external devices


Reset the System Management Controller (SMC)

https://support.apple.com/en-us/HT201295

repeat 2/3 times


Reset the nonvolatile random-access memory (NVRAM)

(OPTION+COMMAND+p+r at Startup)

How to reset NVRAM on your Mac - Apple Support

repeat 2/3 times

if you cant do this you will need to unlock the firmware password in recovery mode which may become available after disconnecting devices and resetting the SMC.


Then use safeboot (SHIFT at Startup)

https://support.apple.com/en-us/HT201262


Then reboot normally with devices disconnected.


if that fails check the drive with disk recovery

About macOS Recovery - Apple Support

Dec 18, 2017 7:42 AM

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Question: Macbook pro won't start up including in safe mode