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Recently, the macOS High Sierra has been opened to the public. However great it may seem, it still has its bugs and flaws.
There are various problems reported on the macOS High Sierra and certain fixes can be implemented to repair them.
So, what are the various problems you might encounter with macOS High Sierra?
1 - Failed download of macOS High Sierra
2 - Frozen installation of macOS High Sierra
3 - Disk space is not enough for macOS High Sierra installation
4 - When “Preparing the Backup,” Time Machine got stuck
5 - Slow macOs High Sierra or the operating system freezes randomly
6 - After macOS High Sierra was installed, Mac wouldn’t start
7 - Slow Wi-Fi after macOS High Sierra was installed
8 - The application crashes or doesn’t launch on macOS High Sierra
9 - Reduced battery life after macOS High Sierra installation
10 - macOS High Sierra password problems
11 - macOS High Sierra mail problems
When you start downloading macOS 10.13, sometimes the download will immediately stop and show the message “macOS High Sierra download has failed.” The message “Installation of macOS could not continue” could also be displayed.
This may be caused by a poor or slow Internet connection. It may also result from too many users downloading the operating system simultaneously.
You can try to fix this by restarting the Mac App Store. You can also try to re-download after a few minutes.
Step 1 - Visit the Apple menu (located in the upper left corner of the screen)
Step 2 - Select Force Quit
Step 3 - Search for the App store app within the list that appears. Quit the app.
If you can improve your poor Internet connection, try it out. You can use a faster Wi-Fi network. You can also connect to the Internet via cable.
However, before you resume the installation of the operating system, you should delete every partially-downloaded file. These files are usually named as macOS 10.13 High Sierra. Then, try downloading again.
Now, you might have finished downloading macOS High Sierra. But once you click the installation file, nothing happens. You might have pressed Continue, but the button is now greyed out.
What you should do is to Control + Click the installation icon. Then, select Quit. Visit Applications and search for the installation file of macOS High Sierra.
Repeat the process of installation. Have patience. Sometimes, it takes a few minutes to start.
It takes about 8GB on your drive to install macOS High Sierra. This doesn’t seem to big. However, it might require you to have a minimum of 15 to 20 GB of disk space for the said operating system to run without issues.
However, the first thing to do is to find out what’s taking up so much space.
Step 1 - Visit Apple Menu
Step 2 - Go to About This Mac
Step 3 - Press Storage tab
In order to get more space on your Mac, you should use a device called iMyMac’s Mac Cleaner.
Here’s how to use it:
Download iMyMac-Cleaner from our official website and launch it. In the main screen, you can check your Mac system status.
Click on the "Scan" button, and wait for a moment. When the scanning is finished, the program will display all the junk files to you.
Mac Cleaner will help you Classified the junk files so you can check out the files by folder.
You can also click the "Rescan" button to scan your iMac/MacBook/MacBook Air/MacBook Pro again.
Click on the category like "Application Cache", the detail data for the category will show on the right side. Select the data you want to clean and click on the "Clean" button.
Confirm it if you really want to clean up them.
After a moment, those unnecessary files will be erased, many of them will be marked as "Zero KB".
Now, after you Mac is cleaned and has enough space, you are ready to install macOS High Sierra.
This issue is still found on macOS High Sierra. The Time Machine usually gets stuck while it displays “Preparing Backup” message. This may result in being unresponsive for hours.
Step 1 - Stop the backup procedure being done.
Go to the Settings menu of Time Machine. Press the red [X] in order to stop the backup process.
Step 2 - Find the temporary backup file called .inProgress. Delete it.
Use the Finder to visit the Time Machine drive. Then, open the folder called “Backups.backupd.” While in it, find the folder that contains the name of your Mac within it.
Then, type out .inProgress inside the search bar located above. Find the file with the extension .inProgress and then delete this file.
Step 3 - Restart the Mac device. Now, repeat the backing up process utilizing Time Machine.
You should try to be patient and give the system time. If this doesn’t work, you should reboot your Mac device. Some users have stated that their computer started running slower after the installation of macOS High Sierra.
First, you have to know what causes the slowdown. Visit Applications and then visit Activity Monitor. Check out which applications are heavy on your Mac’s memory. Force quit these applications because they are eating up CPU resources.
Another method you should try is to clean up your system caches. These are temporary files that accumulate in your system libraries. Sometimes, they result in software conflicts.
To manually clean up your user cache, do the following:
Step 1 - Launch Finder.
Step 2 - Press Go To Folder located in the menu named Go
Step 3 - Type out ~/Library/Caches
Step 4 - Press Enter
Step 5 - Visit each folder and clean files inside. Remember that you do not delete the files. You just have to delete the insides.
Step 6 - Repeat steps above. However, during this time don’t type in ~/Library/Caches. What you have to do is to type /Library/
Take note that this isn’t a safe procedure. Accidentally, you can remove the wrong folder. In order to clean your system caches safely, you must use iMyMac’s Mac Cleaner as stated above.
In this way, you’ll remove junk files without causing trouble to your system.
Now, you have installed macOS High Sierra successfully. However, for some reason, the Mac device will not boot up. In this case, you might want to reset NVRAM.
NVRAM refers to non-volatile RAM. It is used for the storage of system settings such as startup disk selection, time zone, display resolution, or kernel panic preferences.
When you reset your NVRAM, you are helping yourself to perform a fresh boot--just like doing it from scratch.
Step 1 - Turn on your Mac device while holding the following, Option + R + Command + P
Step 2 - Hold the pressing of these keys for approximately 20 seconds
Step 3 - Release them once you hear the second startup sound
Now, your NVRAM just went through a reset. You can also open Disk Utility to repair boot problems.
Entering Internet Recovery Mode
Internet Recovery launches your Mac from the external servers of Apple. If your boot sector is damaged, you can use this tool. It can help with hardware issues on macOS High Sierra.
The utility will implement memory tests and it will perform a configuration of your Mac device in order to successfully boot it up.
Here’s what to do to start Internet Recovery:
Step 1 - Restart Mac device
Step 2 - Wait until you hear the startup chime. Then hold Command + R + Option
Step 3 - Release them after the animated globe is displayed. Your system will then download a specific recovery image from the Internet.
Step 4 - Just follow the instructions on the screen to proceed.
Slower connections happen after the installation of macOS High Sierra. To fix this, an update of your Wi-Fi preferences is necessary. But before you do this, you have to delete the current settings.
Step 1 - Click the Finder
Step 2 - Press Command + G +Shift
Step 3 - Type this out: /Library/Preferences/SystemConfiguration/
Step 4 - On that specific directory, choose the files with the extension .plist. These are probably corrupted current preferences
Step 5 - Move these files towards the Trash bin
Step 6 - Restart the Mac device. Changes will not take place. New preferences are automatically made to replace old ones.
This issue is very common because
Some developers haven’t converted their applications to a 64-bit architecture.
If the applications continuously
You can also check out the site of the app’s developer and read about its compatibility with High Sierra.
Battery life might be drained quickly after installation of the macOS High Sierra.
To look more into this problem, visit the Activity Monitor and check which processes are actually demanding of energy. You have to visit Applications. Then, go to Utilities and then Activity Monitor.
Click the tab labeled Energy for more details. If a specific application is heavy on energy, you can reinstall it. You can also consider replacing the applications with a lighter alternative that is energy efficient.
Here are other things you can do in order to save battery life:
-Deactivate location services
-Disable graphical effects and animation
-Make your screen dim (less bright)
Although macOS Sierra is advertised as the most secure iOS, 3 password scandals have already happened.
In September 2017, Patrick Wardle (a technology expert) proved that Keychain passwords can be retried without the need to provide your master password.
This vulnerability pointed out by Wardle can actually be accessed through an unsigned application. It does not concern macOS High Sierra alone but other macOS versions previously released too.
This major root password bug allows full access to Mac devices without the need for a password.
If you have not yet set your Mac’s root password, you should do so immediately. The root password is similar to a ground-level admin password. The fastest way to set it is through the Terminal.
Here’s how to do it:
Step 1 - Launch the Terminal
Step 2 - Type out
Step 3 - Enter your current password
Step 4 - Enter
Step 5 - Enter new password again
Actually, this isn’t the only issue with passwords. A problem has arisen wherein the High Sierra displays the original password instead of showing the hint. To solve this issue, you should install the Supplemental Update of macOS High Sierra
Errors also happen in macOS High Sierra’s Mail app. Sometimes, email notifications won’t work after installation of the OS has been done. This can be repaired through System Preferences.
Step 1 - Visit System Preferences
Step 2 - Go to Notifications
Step 3 - Select Mail
Step 4 - Reset alert style. Change it from Banner to Note
Step 5 - Switch alert style back to Banner
So what other issues are there? Sometimes, your Mail application becomes slower. Here’s an explanation. The Mail app is probably overload with a lot of messages.
Plus, it might still have leftovers from the previous operating system.
This results in the slowing down of your Mail app and it may take hours to search for a certain message. Actually, there are applications that offer a fix.
These applications will reorganize or reindex your Mail database on the latest macOS High Sierra.
macOS High Sierra is not free of flaws. Well, everything’s not perfect. The said latest operating system of Apple has a lot of issues.
However, these issues can be fixed with the right guide. A particular issue, for example, can be fixed by simply cleaning up your device with iMyMac’s Mac Cleaner.
Whatever problem you might be facing with your new operating system, simply read this guide to free you from worries.
Last updated: September 4, 2018
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