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How To Fix macOS High Sierra

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How To Fix macOS High Sierra

For some users, the system works fine, but there are those who have various problems with this version. This happens with a significant upgrade for a lot of reasons. In this article, we have compiled the most common problems, how to fix macOS High Sierra and offered possible solutions.

For users upgrading to macOS High Sierra, receives a large number of error messages, starting with the problems with the installation of the updates and finishing fast flow, programming errors battery, bizarre behavior, media reading, problems with the network, the graphics/display and the deterioration of the work as a whole. You may find the solution to their problem and below.

Download error MacOS High Sierra

Some users can not even download macOS High Sierra through the Mac App Store. If you are experiencing this problem, first check that your Mac is connected to the Internet network with good speed.

Often the macOS High Sierra problem can be fixed by closing the App Store and open it again.

  1. Close the Mac App Store.
  2. Open the Mac App Store and try to download macOS High Sierra again.

Perhaps we should restart the Mac itself, but it is necessary in rare cases.

Problems with the installer MacOS High Sierra

Some write that they can not download the full installer macOS High Sierra and instead pump the 20MB version, which in turn downloads already full at the time of installation. Thus it is not necessary to create an installation USB-drive for MacOS High Sierra.

To solve this problem, try setting macOS High Sierra by a third-party program.

Installation errors MacOS High Sierra

When errors occur with the installation, a message appears with an error, and the decision can often be a re-download the installer and attempt to start the installation again.

May jump out various errors. For example, “The Way /System/Installation/Packages/OSInstall.mpkg, it seems, is missing or damaged. Complete the installer to restart your computer and try again “, etc.

If you are experiencing these errors, delete the file «Install macOS High Sierra.app» in the folder / Applications / and download the installer from the Mac App Store again.

Restart your Mac and try again to install Mac OS High Sierra through the installer file. In most cases, it helps.

MacOS High Sierra is not installed

When the installation macOS High Sierra does not start, the message «macOS High Sierra cannot be established.” Most likely, your Mac just does not support this version of the system.

Installing macOS not completed

Sometimes during installation error pops up informing you that at this moment it is impossible to download important plant components, with a proposal to try to install the update again later.

To solve this problem easily: follow the advice and try to install the update later.

Sometimes it can help and reboot.

Installer MacOS High Sierra hangs on a black or white screen

Very rarely installer macOS High Sierra hangs on a completely black or white screen.

In such a case, you need to wait, and the error may disappear by itself, even if it takes a few hours.

If the screen is completely black, check that the brightness on the Mac has been included. Sometimes the installer for some reason, dims the screen, and you just need to add brightness.

If the installer finally freezes, you will need to try to establish macOS High Sierra again. Restart your Mac and start the installation again, but a little later. If you have a USB-drive installation, run the installation from it.

If hanging the entire notebook, you need to enter into recovery mode by restarting your Mac and hold down Command + R. Then try to install the update again.

High Sierra is not installed, the system will not boot at all

It happens in rare cases. When the update is not installed, and the system does not boot, it shows a grey screen. In this case, you need to reinstall the system software, but you first need to reset the NVRAM / the PRAM.

  1. Turn off your Mac, turn it on again and immediately hold down the OPTION key at the same time, COMMAND, P, R.
  2. Continue to hold the COMMAND key, OPTION, P, R, until you hear the startup sound. This usually happens after 15 seconds.

If your Mac does not boot after NVRAM reset, you will have to reinstall the system. This can be done using the installation CD or recovery mode.

You can also restart the Mac, hold down the keys Command + Shift + Option + R and reinstalling macOS via the Internet.

APFS does not work with the Fusion Drive or conventional discs

APFS file system is not supported yet Fusion disk or basic disk, but in the future will support with any system upgrade.

If you have macOS High Sierra, and you use Fusion drives the HDD or conventional, be sure to install updates in the future, when there will be a new version of the system.

MacOS High Sierra freezes

Received many reports that laptops with macOS High Sierra stuck and no matter what do not respond.

Some did not work the cursor or keyboard, but the music sounds, or continue to play. This occurs most often after the launch of the video on YouTube, Facebook, etc. In this case, you must restart the notebook. To avoid future problems, try a different browser. This can be Safari, Safari Tech Preview, Chrome, Firefox, or Opera.

Sometimes this error occurs due to the incompatibility of software or third-party services. You need to update all the software to the latest version.

External monitor does not work with MacOS High Sierra

Sometimes, after installing macOS High Sierra cease to operate external monitors. Some screen flashes different colors.

If you encounter this problem, try to reset the SMC.

WindowServer uses a lot of RAM

This problem can be solved by turning off the effect of transparency Mac OS.

Install all available updates macOS High Sierra and other driver-related graphics.

Display distortion

Some users on the screen, there are various distortions. This may be due to a new graphics engine macOS High Sierra and other elements of the system or with the drivers that are installed on the Mac. Problems with the graphics is likely to fix in future updates.

Mac does not return from sleep mode

If you encounter this problem you need to reset the SMC or VRAM. Support for Apple advises users to simply reinstall macOS through recovery mode.

Another way – to restart or shut down and re-include the Mac every time when he did not return from sleep mode, but it’s too inconvenient.

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Problems with WiFi access In MacOS High Sierra 10.13

Some users are not connected to wi-fi networks. Sometimes it helps to just turn off and turn on.

  1. Turn off Wi-Fi in macOS menu.
  2. Restart your Mac.
  3. ???????? Wi-Fi ? ???? macOS.

Also, there are reports of the inability to connect to the network with a hidden SSID. In this case, you need to open the SSID (the name of the router) in a router setting.

Do not run some program

Most applications that work with Sierra, and should work with the High Sierra, but some still have trouble. There were errors in Final Cut Pro, Motion, Indesign, Logic, Compressor, Microsoft Office, Adobe Photoshop, etc. In almost every case, the problem will correct installation of the latest version of software and systems.

It is best to update the program in the Mac App Store on the Updates tab or through the programs themselves.

Also check the program to be compatible with macOS High Sierra.

Mac began to work slowly

If after installing macOS High Sierra your Mac running slower than usual, it is most likely due to background tasks of Siri, Search, Photos, iCloud, etc.

Try to just leave the laptop enabled for a while and give him complete all background tasks.

Many Mac contrary to work faster macOS High Sierra, especially when copying and moving files, and this is due to the new file system APFS.

If the work will remain slow and after waiting, it is worth checking how much RAM consume specific programs and services with the help of the program monitoring system. Sometimes the system slows down any programs that consume a lot of resources.

Additional tips

  • Install all available updates macOS system and all programs.
  • Create a new account on Mac and use it, if the problem has disappeared.
  • Make a backup copy of Mac and reinstall it macOS High Sierra.
  • Make a copy of Mac and install macOS High Sierra again through the installation USB-drive.
  • Rollback macOS High Sierra to the previous version, using the Time The Machine.

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