Crasloop while installing sierra

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fluxxy1245 Author

Level 1

7 points

Crasloop while installing sierra

hi to all

It’s now 2 days I’m having trouble doing a clean install of Sierra.

I created a USB key using terminal

I boot using the option key, then I choose which one should boot, in this case the USB key.

I format my HD, I launch the install.

The first part of the install is ok, it reboots and then I have a permanent crashloop.

only option is shutting down the computer.

I tried again several times, same result.

I tried a TimeMachine restore, this works.

But I really would like a clean install.

can anyone help me

what option is possible

thanks in advance

OS X Mavericks (10.9)

Posted on Feb 27, 2018 1:22 AM

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Answer 1

fluxxy1245 Author

Level 1

7 points

Feb 28, 2018 8:43 AM in response to Eric Root

3 days busy trying to make a clear install of Sierra. I tried already many different options

Also tried several times dismaker X, I encountered many problems during disc creation. Doesnt work flawless.

I found this link

https://www.macworld.com/article/3092900/macs/how-to-create-a-bootable-macos-sie rra-installer-drive.html

Created bootable USB stick

Whatever I’m doing, I’m getting following msg

Macos could not be installed on your computer.

An error occurred installing Macos. To use apple diagnostics to check your mac hardware, shut down, press your power button, and immediatly hold the ‘D’ key until diagnostics begins.

Quit the installer to restart your computer and try again

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Answer 2

Eric Root

Level 10

684,039 points

Feb 27, 2018 8:58 AM in response to fluxxy1245

It seems like your installer is bad. Try making a USB installer using this program.

Bootable USB Flash Drive – Diskmaker X

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Answer 3

Eric Root

Level 10

684,039 points

Feb 28, 2018 8:59 AM in response to fluxxy1245

Have you run the hardware test as suggested? Start with D held down.

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Answer 4

fluxxy1245 Author

Level 1

7 points

Feb 28, 2018 9:09 AM in response to Eric Root

Yes i did

Also tried cmd opt r p

Also cmd r

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Answer 5

Eric Root

Level 10

684,039 points

Feb 28, 2018 9:41 AM in response to fluxxy1245

What format did you use for the drive? Mac OS Extended (Journaled) with Option GUID?

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Answer 6

fluxxy1245 Author

Level 1

7 points

Feb 28, 2018 9:54 AM in response to Eric Root

Yes, indeed

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Crasloop while installing sierra

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