This can be Safari, Safari Tech Preview, Chrome, Firefox or Opera. To avoid a problem in the future, try installing a different browser. In this case, the laptop needs to be rebooted. Most often this happens after the video is launched on YouTube, Facebook, etc. Some do not have a cursor or keyboard, butmusic or sounds continue to play. There are many reports that laptops with macOS High Sierra freeze and do not respond to anything. If you have macOS High Sierra installed and use Fusion or regular HDDs, be sure to install an update in the future when a new version of the system is released. The APFS file system is not yet supported by Fusion disks or regular disks, but in the future support will appear with some kind of system update. APFS not working with Fusion Drive or regular drives You can also restart your Mac by holding down the Command + Shift + Option + R keys and reinstalling macOS over the Internet. This can be done using the installation disk or recovery mode. If the Mac does not boot even after resetting NVRAM, you will have to reinstall the system. Continue to hold the COMMAND, OPTION, P, R keys until you hear the power-on sound.Turn off your Mac, turn it on again, and immediately hold down the OPTION, COMMAND, P, R.In this case, you need to reinstall the system software, but first you need to reset NVRAM / PRAM. When the update is not installed and the system does not boot, a gray screen appears. High Sierra not installed, the system does not boot at all After that, try installing the update again. If the entire laptop is frozen, you need to enter recovery mode by rebooting the Mac and holding Command + R. If you have a USB installation disk, start the installation from it. Restart your Mac and start the installation again, but a little later. If the installer is completely frozen, you need towill try to install macOS High Sierra again. Sometimes the installer darkens the screen for some reason, and you just need to add brightness. If the screen is completely black, make sure the brightness is turned on on the Mac. In this case, you first need to wait, and the error may disappear by itself, even if it takes several hours. Very rarely, the macOS High Sierra installer freezes on a completely black or white screen. Installer macOS High Sierra freezes on a black or white screen Solving this problem is easy: follow the advice and try to install the update later. Sometimes during installation an error pops up, notifying that it is currently impossible to download important components of the installation, with a proposal to try to install the update again later. Most likely, your Mac just does not support this version of the system.Ĭan find out, Is your Mac compatible with macOS High Sierra? Installation macOS does not end When macOS High Sierra installation does not start, the message “macOS High Sierra cannot be installed” appears. Restart your Mac and try installing Mac OS High Sierra again through the installer file. ![]() If you encounter such errors, delete the “Install macOS High Sierra.app” file from the / Applications / folder and download the installer from the Mac App Store again. ![]() Complete the installer to restart the computer and repeat the operation, "etc. For example, “The path /System/Installation/Packages/OSInstall.mpkg seems to be missing or corrupted. When errors occur with the installation, an error message appears, and the solution most often may be to download the installer again and try to start the installation again. To solve this problem, try installing macOS High Sierra using a third-party program. Thus, you do not need to create a USB installation disk for MacOS High Sierra. Some write that they cannot download the fullthe macOS High Sierra installer and instead download the 20mb version, which in turn downloads the already complete version during installation. It may be worth rebooting the Mac itself, but this is necessary in very rare cases. Open the Mac App Store and try downloading macOS High Sierra again.Often the problem can be solved by closing the App Store and reopening it. If you have this problem, first of all, check that your Mac is connected to the Internet network at a good speed. Some users cannot even downloadmacOS High Sierra through the Mac App Store. ![]() You may find a solution to your problem below. In this article, we have compiled the most common macOS High Sierra problems and suggested possible solutions.įrom users upgraded to macOS HighSierra, a large number of error messages are received: from problems with installing the update itself to fast battery consumption, program errors, strange behavior, reading media, network problems, graphics / display, and overall performance degradation. This happens with significant updates for a large number of reasons. There are various problems with this version.
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