Also deleted many extensions from Safari and Firefox since I no longer use the two programs as well as a few from Chrome. Also removed Divx and security settings were already in place as stated above. Unfortunately the problem is still there. I can boot but it just loads mouse cursor on black screen. How to Get Rid of Split Screen in Safari on Your iPad. Split View in Safari on the iPad was a new multitasking feature for iOS 10 that continues in iPadOS. Split View allows you to open two separate Safari web pages simultaneously on your iPad. To start, open Safari on the iPad and hold your tablet in Landscape Mode. You can then open a second. Oct 02, 2020 Security Update 2020-005 was also re-released. Apple has just released a Mojave Supplemental Update that address all the problems that the previous Safari 14.0 and 2020-005 Security Updates! This news comes one day after Apple pulled both software updates from the software update catalog. You can find a full summary of the issue in the link below.

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Not all Mac users are Mojave fans. There remains a high percentage of users that still use High Sierra despite the release of the new macOS version.

Although Apple has stopped support for High Sierra since the launch of Mojave 10.14, some Mac users running High Sierra are still downloading updates for their system.

However, there are users who got a black screen after updating to High Sierra. High Sierra Update 2019-002 10.13.6 fails to install, and users who have run into this problem are stuck with a black screen, even though the device is clearly on. Adobe photoshop cc 2018 mac crack.

The mouse and other peripherals are working fine, but when you click randomly, a dull sound is heard, which means that the screen is not clickable. When the Power button is pressed and the computer is restarted, it boots up in normal mode, but upon checking, the update has never been installed and is sitting under the Pending Updates in the App Store.

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Some Mac users who encountered a black screen after the High Sierra update and then did a hard reboot were also having trouble restarting their computers again. Choosing Restart from the Apple menu only brings up the black screen once again, and the users are stuck in a loop. Only by pressing the Power button can the device boot normally.

This problem is depressing, especially for those stuck in a black screen loop.

What Causes Black Screen After High Sierra Update?

If you got a black screen after the High Sierra update installation, then it was possible that the update files had not been downloaded or installed correctly. The update files could have been corrupted, resulting in an unsuccessful update.

Another reason could be corrupted SMC and NVRAM. If you got a black screen after updating to High Sierra, you might want to check the SMC and NVRAM settings since these components are responsible for your Mac’s display.

Other factors you should look into are your security settings, disk health, and possible virus infections.

What to Do When High Sierra Update Fails and Black Screen Appears

Sometimes problems during update installations happen because of your device not being optimized for the process. To avoid hiccups, make sure to get rid of junk files on your Mac using Mac repair app, delete any unused apps, and restart your computer before downloading the updates.

If you encounter problems such as a black screen after the High Sierra update, you can follow the troubleshooting guides below to restore your display and fix the update error.

Step #1: Boot into Safe Mode.

The first step in fixing update errors is to boot into Safe Mode. This makes sure that no third-party processes will get in the way of the installation.

To boot into Safe Mode, follow these steps:

1. Turn off your Mac.
2. Hold the Shift button, then press Power to turn it back on.
3. Release the Shift button once you see the Apple logo and the progress bar.

Step #2: Reset SMC and NVRAM.

After booting into Safe Mode, the next step is to reset the System Management Controller or SMC. SMC manages the video and external displays of macOS, so resetting it should be one of the first steps you should take.

To reset SMC, shut down your Mac, then hold down Shift + Control + Option, then press Power at the same time. When you see the light on your MagSafe adapter blink with a different color, that means that the SMC has been reset. Release all the keys and boot as usual.

While you’re at it, you might also want to reset your Mac’s system settings, which is very easy to do. Shut down your Mac once again, then turn it on while pressing Command + Option + P + R on your keyboard after you hear the startup sound. Wait for the second startup sound before releasing all the keys, then boot as normal.

After resetting SMC and NVRAM, check if you can download and install the High Sierra update without going into the black screen.

Step #3: Delete Old Update Files.

MacOS update files delete themselves automatically after being installed. But if the installation was not successful, then it is possible that the update files are still on your computer. If they are, you won’t be able to download a new copy of the update and macOS will always revert to the old update files.

You need to search for the old update files and delete them. If your update was downloaded completely, you should check the ~/Applications/ directory and look for a file with a filename in this format “InstallXXXX”, InstallHighSierra, for example. Delete that file and download the update from the Mac App Store again.

If you can’t find the file in the Applications folder, then the download has probably not been completed. If this is the case, you can also check the /Library/Updates folder.

If you can’t find it in any of the folders, search for the file via Finder. Type a part of the name of the file in the search box, then press Enter to start the search. Once you find it, delete the update file and re-download it via App Store.

Step #4. Delete Cached Data via Terminal.

If you’re having trouble shutting down or restarting your Mac and you’re stuck in a black screen loop, you can try deleting the cached data using the Terminal. To do this:

1. Launch Terminal from Finder > Utilities.
2. Enter these commands one at a time, then hit Enter after each command line:
   • rm -rf ~/Library/Caches/
   • rm -rf ~/Library/Saved Application State/
   • sudo rm -rf /Library/Caches/
   • sudo rm -rf /System/Library/Caches/
   • atsutil databases -removeUser
   • sudo atsutil databases -remove
   • sudo atsutil server -shutdown
   • sudo atsutil server -ping
   • sudo rm -rf /var/folders/

Restart your computer after executing these commands to see if you can now boot normally.

Step #5: Restore Mac to an Earlier Date.

If nothing works, you can restore your system to an earlier time using your Time Machine backup. Follow these steps to undo the changes and roll back to an earlier date:

1. Reboot your Mac, then press Command + R to boot into Recovery Mode.
2. Choose Restore From Time Machine Backup.
3. Click Continue.
4. In the Restore Your System window, click the Continue button.
5. Choose your Time Machine backup, then hit Continue.
6. Click on the most recent backup of your Mac, then click Continue to start the rollback.

Summary

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Installing macOS updates is usually a simple process. However, some unwanted elements might complicate it and lead to update failure. If you’re having trouble installing High Sierra updates, or any update, for that matter, you can follow the directions above to resolve the problem.

Try to start up from macOS Recovery

If your Mac seems to be turned on but nothing appears on your display, determine whether you're using a Mac with Apple silicon, then follow the appropriate steps:

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1. Press and hold the power button for about 10 seconds.
2. You should see the startup options window, which includes a gear icon labeled Options. Select Options, then click Continue.
3. If you never see the startup options window, release the power button, then press and hold it again for another 10 seconds. If the issue persists, please contact Apple Support.

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1. Press and hold the power button for about 10 seconds.
2. Press and release the power button, then immediately press and hold Command (⌘)-R until you see an Apple logo or other image.
3. If you still see a blank screen after about 20 seconds, contact Apple Support.

Use Disk Utility to repair your startup disk

If your Mac successfully started up from macOS Recovery, you should see a utilities window that includes Disk Utility. Use Disk Utility to repair your startup disk.

If Disk Utility found no errors, reinstall macOS.

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If Disk Utility found errors and repaired them, restart your Mac. If the issue returns after restarting, reinstall macOS.

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If you still need help, please contact Apple Support.