MBP keeps restarting during the installation of the OS

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MBP keeps restarting during the installation of the OS

Hi, everyone

I just got a brand new 13' MBP 2018 with touchbar, 16gb ram and 512GB hard disk. When I set up the macbook the very first time I tried to restore from my time machine but the macbook turned down during the restoring and was followed by a strange sound like the fan suddenly spins very fast and stopped after a second. Then I tried to set up the account first and then restore from the time machine within the OS, but the same issue happened. And there was a time when it restarted, there was no system file found, only a file with a question mark flashing at startup. So I tried the instructions on the Apple websites - restored from the time machine from the recovery mode, reinstalled the OS from the recovery mode after erasing the hard disk. However, nothing happened - the mac shut down and restarted during the installation of the macOS or when the time machine transfers the files to the mac. I even tried to reset smc and pram and then proceeded to reinstall the OS, but the issue persisted. I am wondering if anyone had the same issue? Is this a software problem or a hardware problem - presumably the problem of the hard disk in the sense that the mac shuts down when I install OS or write files to it from backups? Any idea or solution is appreciated.

Drake

MacBook Pro (13-inch, 2018, 4 TBT3)

Posted on Dec 1, 2018 5:37 PM

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Answer 1

Dec 2, 2018 7:54 AM in response to Drake008

If you can reproduce this problem on demand, you should make an Appointment at the genius bar of an Apple-owned store, if available in your region.

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Answer 2

Drake008 Author

Level 1

8 points

Dec 2, 2018 3:13 AM in response to Grant Bennet-Alder

Hi Grant,

Thank you for the reply. I understand that the Mac may restart several times during the installation. However, this is not my case - in my case the laptop suddenly shut down while the installation is still ongoing without any indication that a restart is coming, and the restart just bring me back the original point where I am asked to install the OS again... This situation also applies when I transfer my backup from the time machine to the Mac - the laptop just all of sudden shuts down when the files are still transferring and of course after it restarts the mitigation is not successful...

Thanks

Drake

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Answer 3

Dec 1, 2018 7:21 PM in response to Drake008

MacOS can only be installed by a stripped-down version of the same version as the incoming MacOS. Several Restarts are required to get there.

Here is the rough timetable of the Install Process:

Start download from Mac App Store. This takes 20 minutes to an hour.

Once complete, Installer usually starts. You specify disk on which to Install. [in Recovery, you may sometimes specify the drive FIRST.]

Install checks things out and then copies 5GB or more "MacOS Base System" to the destination drive. [In Recovery, "MacOS Base System" may be downloaded directly onto the specified drive.] Copy time is about 20 minutes to as much as 3/4 hour if your drive is slow. [if installing on the same drive as the download, this step becomes nearly trivial, and does not take any substantial amount of time.]

Installer sets startup to the new MacOS Base System and does a Restart.

>> a failure right here means you still have everything on your old drive, (plus about 6GB of MacOS Base system that does not work)

ONLY if Restart was successful do you begin replacing files to move to the new version of macOS. Time 30 minutes to 3/4 hour.

Restart again and comes up running the new version, in Setup Assistant. This is your best opportunity to bring over your Accounts and data from an other Mac or a backup, if you are changing drives or changing Macs. You can use Migration Assistant later, but it is more complex.

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MBP keeps restarting during the installation of the OS

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