Level 1

93 points

High Sierra install is frozen

I’ve been running Sierra on a mid 2010 iMac - tried to upgrade to High Sierra last night. Download went fine - install seemed to be proceeding well. However when the bar was about 95% of the way across, it just stopped. Has been this way for about 10 hours now. Computer is getting pretty warm (hot). Would you just shut it down? How do I know if something is going on still? Would you shut it down and just try to restart it? Or would you first try to restart in Safe Mode?

Not sure what is going on, but not thrilled. I do have a Time Machine backup.

Thanks,

Mark

Posted on Sep 26, 2017 6:33 AM

Top-ranking reply

pyroandice

Level 1

4 points

Posted on Dec 15, 2017 1:29 PM

Hi, I hope despite it being a few months that this answer will help some of you. I called Apple support and they say they monitor this forum - but no one from Apple has answered in about 3 months so I have my doubts. Anyway I mention that because on the phone the second tier specialist said that this was a good fix and that I should post it.

You should make a copy of the High Sierra installer on a flash drive and use that to install. High Sierra can be downloaded from the App store, but NOT from the update sections on any of the devices. Those aren't full copies. Make sure you've found the full install in the app store and select "download" underneath the icon.

Copy this to a flash drive or external hard drive.

Eject the drive and insert it into your troublesome computer. Disconnect your internet connection. Open the installer, and follow the instructions. Previous to my doing this, the install froze at 1 hour and 21 minutes. Using this method, the install took a total of 21 minutes. You do not need an internet connection.

Good luck, hope it helps,

Jen

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97 replies

ste.maxe

Level 1

4 points

Mar 6, 2018 11:29 PM in response to pr1uk

I think exactly the same about Microsoft, it would be much easier with them...and also the upgrade log is VERY poor, it's hard to find out the real problem.

Mark23

Level 4

994 points

Oct 4, 2017 12:22 PM in response to Donnie11

Good advice!

I had trouble upgrading from the latest bèta release since the App Store error'ed out every single time I tried to install the public release, probable due to the installed beta access utility, but luckily I had another Mac that was still on Sierra and was able to download High Sierra, put that on a USB Flash drive and install went smoothly from there on.

Hrthomso

Level 1

4 points

Nov 7, 2017 2:08 PM in response to ATHiker95

So, if it freezes during installation - my quick options sound like hit the power button and hope for the best then! I hope Apple technical help are ready for a call tomorrow as I have a document that I need to send on in the next 24 hours!

Feb 9, 2018 8:34 AM in response to ATHiker95

I'd really like to know when Apple is going to address this officially. It's clear that this release has some serious issues with upgrades and it's been 100% consistent with all installs/upgrades I've performed in my role in development operations. I've reinstalled about 10 machines because the upgrades simply hang, and generally leaving it running has not resulted in it finishing.

Apple needs to address this.

pr1uk

Level 1

21 points

Mar 5, 2018 1:46 AM in response to ste.maxe

ste.maxe,

Your the same as a lot of us the Apple site says our machine will update yet they must know by now it will not.

Yet no-one from Apple as come out and told us there is a problem or changed their site to say if you have in my case a Mid 2010 with a normal hard drive and running 10.12.6 you cannot upgrade.

Why are they so quiet no news at all so no idea if they are trying to resolve this or just sitting back with the attitude if you can't upgrade, bad luck

Benny B

Level 1

52 points

Oct 15, 2017 9:21 AM in response to Dillonpandya

Did you hold the power button down for 10 seconds to force it to power down? The it should boot up and you can find out if you were lucky or not.

Feb 27, 2018 3:37 PM in response to ATHiker95

Command-V is verbose mode. Press this immediately after hearing the startup sound.

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High Sierra install is frozen