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Tried to update my Mac to Sierra it said can’t install now…

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Tried to update my Mac...
Tried to update my Mac to Sierra it said can’t install now the computer won’t reboot . Said to hold the D key ?? Anything else I can do to reboot
Submitted: 7 months ago.Category: Mac
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Answered in 4 minutes by:
12/16/2017
Mac Support Specialist: Justin Johnson, Mac Genius replied 7 months ago
Justin Johnson
Justin Johnson, Mac Genius
Category: Mac
Satisfied Customers: 2,493
Experience: Training and Development at Scientifically Speaking
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Hi! I am Justin. Let me take a chance to look over your question. If you have any additional details please type it in and hit the reply to expert button.

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Mac Support Specialist: Justin Johnson, Mac Genius replied 7 months ago

Hold down the power button until the computer shutsdown fully. Then hit the power button and hold the COMMAND and the R button at the same time. Select the correct network and connect to it. Let me know once you are there.

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Customer reply replied 7 months ago
I have got on screen Mac OS Utilities with options not sure which one to use
Mac Support Specialist: Justin Johnson, Mac Genius replied 7 months ago

Do a reinstall.

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Customer reply replied 7 months ago
Thank you
Customer reply replied 7 months ago
Pressed reinstall screen is now back to Mac OS High Sierra ?? Can you do remotely
Customer reply replied 7 months ago
This issue not resolved ??? The computer still trying to install Sierra so advise not resolving the problem just back to where I started ???
Mac Support Specialist: syseng, Systems Engineer replied 7 months ago
syseng
syseng, Systems Engineer
Category: Mac
Satisfied Customers: 7,840
Experience: Systems Engineer with over 18 years experience in configuration, integration and troubleshooting
Verified

Hello,

My name is David.

Do you still need assistance?

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Mac Support Specialist: syseng, Systems Engineer replied 7 months ago

Hello,

Do you still need assistance?

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