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Macos high sierra installation stuck
Macos high sierra installation stuck









macos high sierra installation stuck
  1. Macos high sierra installation stuck update#
  2. Macos high sierra installation stuck upgrade#
  3. Macos high sierra installation stuck full#
  4. Macos high sierra installation stuck pro#

Your Mac hasn’t started the upgrade yet.This article is for one very specific issue that usually affects Macs that have been in service for a long time. Sadly upgrades could fail for multiple reasons.

macos high sierra installation stuck

  • Why check? Just because your upgrade failed does not mean that this is the exact issue.
  • What if you booted your failed Mac into safe mode after having the issue?.
  • macos high sierra installation stuck

    How do I clear them out before the upgrade?

  • How can I check how many mdworker files my system has before an upgrade.
  • The macOS stuck progress bar issue has many different situations. This would allow the upgrad to finish properly. If you build a fresh system the file counts for spotlight will be very low. This is the reason why the problem could never be reproduced. In some situations users have reported 500,000 – 2,000,000 files!!! Have more than 20,000 files your upgrade could fail. If folders in multiple directories in the location below /private/var/folders/*/*/C/ If you are upgrading from macOS High Sierra, Mojave, or Catalina to Big Sur your upgrade could fail if it matches a very particular condition. I’ll start with a quick summary of the macOS stuck progress bar situation.

    Macos high sierra installation stuck full#

    UPDATE! This issue is fixed in both the Monterey 12.1 and Big Sur 11.6.2 Full installer. In certain situations, the upgrade will fail and then get stuck with a neverending progress bar. MacOS Big Sur currently has an upgrade issue. That fits with the issue being related to the primary SATA port.MacOS Mojave or Catalina to Big Sur Upgrade Progress Bar Stuck Fix.

    Macos high sierra installation stuck update#

    In contrast to my MacBook Pro, the update finished without problems on the iMac.

    macos high sierra installation stuck

    Incidentally, I also have a late 2009 iMac where the original hard drive has been swapped out (drive failure - not even the same manufacturer) and an SSD occupies the optical drive bay. Afterward, I put the SSD back in and installed Hugh Sierra without any problems - as the firmware update had already been completed, there no longer seemed to be the system check that had tripped me up previously. The installation with the original HDD completed without any problems, including the firmware update. Luckily I kept the original hard drive around, and after trying the newest installer and rebooting into safe mode several times without any joy, I just took a screwdriver and put the old HDD back in temporarily (there are good guides on ). Turns out it was the aftermarket SSD I had installed pretty much as soon as I bought it.

    Macos high sierra installation stuck pro#

    Had the same problem on a MacBook Pro 17” (Mid-2010). If that is the case, it probably can be fixed within $20 to get a replacement. It's said that, most of time, it is the hard drive cable which is out of order, instead of the chipset. So, you might have to get the primary SATA port work and connect your disk to it. That means the upgrade process was interrupted. The firmware upgrade process only recognize the ESP (EFI System Partition) of primary internal drive. The root cause of the failure at point A, in your case, is no internal drive in main bay. Hence, it reports "An error occurred while verifying firmware". As a result, the installer find out that your firmware is NOT a latest version still. It double checks the version of firmware to make sure it was updated successfully in previous process (namely point A). (marked as point A)Īfter the upgrade process (regardless success or fail), the installer continues. Then restart automatically and trigger the firmware upgrade process. The easy fix is to verify your backup and then erase the volume and run the installer against a blank / erased main storage drive.īecause the APFS requires support from a new version firmware, your mac's firmware will have to be updated to the latest version during the installation of High Sierra.Īfter the first restart, the installer prepares the latest version firmware which suitable for your mac model onto EFI system partition of your main disk with bless command. Apple has introduced a new file system APFS in High Sierra.











    Macos high sierra installation stuck