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Mac won’t boot (macOS): description of all screens and solutions

28/01/2022 by

Unfortunately, any technology, including those made by Apple, can fail. The reasons can be both hardware and software in nature, and sometimes the problem is caused by user actions. Even a computer as reliable as a Mac may fail to boot one day. It helps that the system communicates the cause of the problem or the expected action by the user using certain symbols on the screen. In this article, we will talk about the possible icons that appear when loading macOS and what they mean.

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crossed out circle

During startup, a crossed-out circle, a kind of prohibition sign, may appear on the Mac screen, and a link to support.apple.com/en-us/mac/startup will be placed below it.

With this alert, the computer informs the user that an operating system has been placed on the Mac boot disk that is not compatible with the existing hardware. This version or build of macOS cannot be used with this computer. Here’s what to do in such a situation:

1. Try to change the boot disk (detailed instructions).

If this does not help, reset the computer to factory settings, for this:

2. Press and hold the power button for 10 seconds. Wait for your Mac to turn off.

3. Immediately after turning on the computer, quickly press the Command(⌘) + R. This will help you launch from the macOS recovery partition.

4. After starting the system from the recovery partition, you can use “Disk Utility” restore your boot disk (detailed instructions).

5. If the application runs successfully or if there are no errors, you can reinstall macOS.

6. If these steps did not lead to the desired result, contact Apple Support.

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Folder with a question mark

On your computer screen, you will see a folder with a question mark on it.

This behavior of the system indicates the inaccessibility of the boot disk or the absence of an operating system on it. In this situation, there are several options for action, which we have already discussed in this article.

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Options menu (gear icon)

In this case, the screen may next to the icon “Parameters” in the form of a gear, an image of the boot disk will appear, and at the bottom the icons “Turn off computer” and “Reload”.

This window may appear if, immediately after turning on your Apple-based Mac, you press and hold the power button for about 10 seconds. The user is prompted to perform a number of actions before the system boots:

Select boot disk. It can be, for example, Macintosh HD. Clicking after selecting “Continue” will start the download from this disk.
Select “Options”. Then click “Continue” and you will see a section with macOS recovery utilities. Here you can reinstall macOS, repair the drive, or clean it up using the app “Disk Utility”.
You can “Turn off” the computer or “Restart” it.

In this launch options window, you also have access to some hidden features:

When choosing a boot disk, the same Macintosh HD, you can press the key ⇧ Shift and holding it, select the item “Continue in Safe Mode” (detailed), which is a useful option in some cases.

Using a keyboard shortcut Command(⌘) + D you can run the application Apple Diagnosticsby checking the performance of the computer (detailed).

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blank screen

Your Mac screen may appear blank for a long time during the boot process: gray, black, or even blue. In this situation, you will need to start macOS from the recovery partition. But to do this, you first need to determine which processor your computer is based on and act accordingly.

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Intel processor

1. Press and hold the Power key for about 10 seconds.

2. Press and hold this key again, but now quickly press and hold also the keys Command(⌘) + R. Wait for the Apple logo and another picture to appear.

3. If the screen is blank after 20 seconds, then you just have to contact the manufacturer’s support service.

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Apple processor

1. Press and hold the Power key for about 10 seconds.

2. You will see a window with launch options and a gear icon for “Parameters”. Select this item, then click “Continue”.

3. If at startup the window with the parameters does not appear, then release the power button, press it again and hold it for 10 seconds.

4. If the problem persists, you should contact Apple Support.

If your computer starts from the system recovery partition, you will see a window with several utilities. We are interested in “Disk Utility”. It will help to restore the boot disk if there are no errors on it.

If the errors were found and fixed, then restart your Mac. If the problem still persists, all you have to do is reinstall the system.

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Apple logo with progress bar

During boot, the system detects the startup disk, and a progress bar is displayed when you start or install macOS. This screen may change to a blank window several times. It should be understood that during the installation of the system, the logo may remain on the screen for quite a long time. The indicator itself will also fill up slowly, sometimes freezing in one place for a long time. That is why it is recommended to start the installation of a new system in the evening, leaving the computer on all night.

If it seems to you that the wait is clearly delayed, and the computer just “freezes”, then you need to take the following steps:

1. Press and hold the power button for 10 seconds until the computer turns off. Now you can turn it back on.

2. If the problem persists, then press and hold the power button again while waiting for the Mac to turn off. Now disconnect all accessories from it: external drives, printers, USB hubs and other non-critical devices. It is possible that one of them or the cable is causing the problem. Turn your computer back on.

3. If the problem persists, turn off your Mac again by pressing and holding the power button.

4. Repair your boot disk with Disk Utility (see above). If it does not find errors on the disk, you can proceed to reinstall macOS (detailed). If errors are found and corrected, you can try to start the system again. If the result is unsuccessful, proceed to reinstall macOS.

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Globe with alert symbol

This error clearly indicates an unsuccessful attempt to start the system in Internet Recovery Mode. In this case, you should take the steps that we also already talked about in this article.

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lock icon

A padlock icon with a data entry field may appear if the computer is using a firmware password and you are trying to boot from a different volume (external drive or system recovery partition). Setting such a password just does not allow using another disk to start the system, except for the boot one. You just have to enter a password. If you forgot it or do not know it, then this problem can only be solved with the help of Apple specialists or an authorized service center.

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System Lock PIN

On the macOS startup screen, you may see a box to enter a system lock PIN. This occurs if the computer was remotely locked using Find My Mac (Find My). To continue working with it, you will need to enter a four- or six-digit password. If you do not remember it, but the computer belongs to you, then there are three options:

Sign in to iCloud.com/find, find your Mac in the Devices menu and select the option “Unblock”. Next, you will need to take several steps to verify your identity.
Unlock a Mac using your mobile device: iPhone, iPad, iPod Touch or Apple Watch and its passcode.
Take your computer to an authorized Apple service center with proof of the fact that you purchased the equipment.

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Login window

This picture indicates a successful boot of macOS. You need to enter a password for your account and log in. If FileVault is enabled, the drive will be unlocked upon login. The background for the window is set by default, but when the user selects it, it can change to the picture specified by him.

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Thunderbolt, USB, or FireWire symbol

A large Thunderbolt, USB, or FireWire symbol that appears on the screen indicates that your computer is in mass storage mode. In other words, it’s connected by cable to another Mac, showing up as an additional external hard drive. This allows you to quickly transfer files between computers. To exit this mode, press the power button on the computer in disk mode and with the symbol on the screen, turn it off, unplug the cable, and turn it on again.

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Why iPhone won’t charge up to 100 percent: solution to the problem

29/12/2021 by

We already subconsciously want to charge our devices to the level of 100% before leaving the power source for a long time. Alas, this mark is not always achievable. At one point, you may find that your iPhone is not charging to the 100% mark. Is it broken or is it something else? Can this situation be corrected? We will tell you why this happens and what you can do.

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The inability to charge the device to 100% is immediately striking. Moreover, sometimes the iPhone’s charging stops at 80% altogether. In fact, there are several reasons for such situations. Let’s find out why suddenly your smartphone stopped charging fully and how to solve this problem.

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Reasons why iPhone won’t charge up to 100%

Activated function “Optimized charging”…
Disabled option “USB accessories”…
There is a problem with the power supply or cable.
Software malfunction.
Hardware malfunction of the iPhone itself.

Now that we know the possible causes of the problem, let’s think about how you can deal with them.

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Disable Optimized Charging

Optimized Charging was introduced in iOS 13. So Apple decided to help extend the battery life of its devices. But it is precisely “Optimized Charging” that may not allow raising the battery charge above 80% (in detail).

How do I turn off Optimized Charging in iOS?

1. Navigate the menu path Customization → Battery…

2. Open the item “Battery status“.

3. Move the “Optimized charging“.

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Turn on the USB Accessories option

If you use a power bank or other external device to charge your iPhone, and the smartphone screen has been locked for more than one hour, charging may automatically stop. To prevent this from happening, set the USB accessories switch along the way Settings → “Face ID and Passcode” (or “Touch ID and Passcode” depending on the device you are using) to Included (in detail)…

Checking the power adapter, cable and port of the iPhone itself

Charging problems can arise from a faulty power supply, charging cable, or even dust trapped in the Lightning port. That is why, if there is a problem with a full charge of the battery, it is worth checking the accessories for obvious damage, and it is corny to clean the port of dirt. But this work must be done carefully, preferably with compressed air. If, upon visual inspection, the cable and adapter do not seem to be damaged, and charging is too slow or does not go at all, then you can try using a different set of accessories. This will help determine if the problem is with your accessory.

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Implementing a hard reboot

If the iPhone doesn’t fully charge, a software glitch could be the culprit. To fix it, you will have to reboot your smartphone.

How do I restart my iPhone?

1. Press and release the volume up button.

2. Press and release the volume down button.

3. Press and hold the screen lock button.

4. When the Apple logo appears on the display, release the button.

I must say that such a reboot method is available only for relatively new models, starting with the iPhone 8 and all subsequent ones. Here’s what to do on older models:

If you have an iPhone 7, iPhone 7 Plus, or 7th generation iPod touch, you will need to press and hold the screen lock and volume down keys while the Apple logo appears on the display.

If you have an iPhone 6s or earlier, you need to press and hold the screen lock button with the Home button pressed while waiting for the Apple logo to appear on the display.

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What if all else fails?

If the above tips did not help you, then the reason may be hidden in hardware malfunctions of the iPhone itself. The problem can affect the power controller, damaged port connectors, a worn out battery, etc. And here at home you can hardly do something. It remains only to contact a proven service center.

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IOS 15 features that won’t be on older iPhones

07/09/2021 by ALOK DAS

iOS 15 can be installed on older devices, up to the iPhone 6s. This is great news for their owners. True, for the sake of ensuring the operability of the firmware as a whole, Apple had to resort to a number of compromise solutions. They consist in the fact that some functions on old devices simply do not work.

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Most features require smartphones with an A12 Bionic processor or newer, including: iPhone XR, iPhone XS / XS Max, iPhone 11, iPhone 11 Pro / 11 Pro Max, iPhone SE (2nd generation), iPhone 12 / 12 mini and iPhone 12 Pro / 12 Pro Max.

Here is a list of those functions that, unfortunately, are not available on older devices:

Spatial audio in FaceTime. Thanks to this function, a three-dimensional reality is formed, imitating the presence of a person in it.

FaceTime portrait mode. This iOS 15 feature is responsible for blurring the background behind the speaker so that nothing distracts from the conversation.

An interactive globe in the Maps application. An interactive 3D globe has appeared on Apple maps. It includes many improved details for displaying forests, oceans, deserts, mountain ranges and more.

Directions of movement in AR… Apple maps allow you to view the route to the desired point in real time. It will be highlighted with arrows.

Recognition of text in photos. Now an iOS smartphone can read text from pictures and photos and copy it. It all works right in real time. Just select the text with your finger and copy it. It is possible to search the selected text on the Internet and translate it into the desired language.

Photo data… iOS 15 can automatically scan pictures and read information about them. It will be highlighted, and some data can be searched on the Internet. You can also get technical information about the photo, for example, find out on which lens it was shot and in what format it was saved.

Updated weather animation. The proprietary application in iOS 15 will receive new animations, they will be better and simply more beautiful to display precipitation, cloudiness and the position of the sun.

Full on-device speech processing… Now in iOS 15, voice requests will be fully handled on the smartphone itself. In this case, the level of recognition will be quite comparable to the server level.

Keys in Wallet… The Wallet application allows you to add electronic keys to your car or home.

Spatial audio with dynamic head tracking… Now AirPods Max and AirPods Pro users can enjoy a whole new experience of listening to Dolby Atmos music. The position of the head will be dynamically tracked and the spatial sound will be generated accordingly. But this feature requires an iPhone 7 or newer.

Sustainability… It is unusual to see such a health metric, because it gives an idea of the risks of falling. For this, data on human walking are being studied. This feature will require iPhone 8 and newer devices.

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Some features will generally work in iOS 15 exclusively on iPhone 12

Improved panorama… Now Apple flagships with iOS 15 installed will try to get rid of geometric distortion during panoramic shooting. Also, the camera captures objects in motion better and reduces the amount of noise.

Fast 5G… The updated firmware will allow you to connect to 5G networks faster and work with them faster. It will also be possible to prioritize 5G when Wi-Fi is available.

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Apple Watch won’t turn on, what should I do?

08/07/2021 by ALOK DAS

An Apple Watch that won’t turn on is as useful as a pen without ink. But a smart device will cost you much more.

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In most cases, you shouldn’t worry if this situation arises – there are several reasons why the Apple Watch may not turn on, most of them have a simple solution.

We’ll take a look at four of the most common reasons Apple Watch won’t turn on and how to fix the issues. If none of them works, then, most likely, the reasons are of a hardware nature, and you yourself will not be able to eliminate them. But repairs may be covered under warranty.

Therefore, even if none of the methods will allow you to turn your Apple Watch back on, do not abandon the device. Take it to an Apple Certified Repair Service for professional diagnostics.

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Check the battery and charger on your Apple Watch

One of the common reasons Apple Watch won’t turn on is when the device battery is dead. Connect the watch to the charger, and if that doesn’t help, try using a different charging cable or change the charger. This way you can find out if they are damaged.

If your Apple Watch is still unresponsive after trying to charge it with several different chargers, go to the next method.

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Reboot Apple Watch

Your Apple Watch may just freeze. A forced restart will help get the operating system to start working again.

Press and hold the two buttons (the Digital Crown and the oblong side button) simultaneously for 10-15 seconds.

When the Apple logo appears, release the buttons and wait a few more seconds. When the watch turns on again, it should still run smoothly.

It is worth noting that the first Apple Watch models can turn on after a reboot for about 2 minutes.

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Disable Power Saving Mode

Your Apple Watch can operate in Power Saving Mode, which, as the name suggests, allows you to use more energy efficiently. In this mode, only the time is displayed, and the watch itself is not unlocked.

To exit this mode, press and hold the side button (slim and oblong) for about 7-10 seconds. When the Apple logo appears, the watch will restart to normal mode.

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Turn off Screen Curtain on Apple Watch

In the mode Blackout The Apple Watch screen remains dark even during normal operation, allowing you to interact with the device only through your voice.

To turn off this mode, open the Apple Watch app on your iPhone and go to the tab The main… There go to the tab Universal accessand then select VoiceOver… Disable the function Blackoutby sliding the switch to the left.

After these manipulations, it is highly likely that your Apple Watch will work normally again.

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Why iPhone won’t charge from a USB port of a computer, a power bank, or charging turns off after an hour

19/12/2020 by ALOK DAS

If you are faced with the fact that the iPhone or iPad suddenly stops charging via USB from a computer or a power bank, then most likely the function is to blame. USB Restricted Mode, which appeared in iOS 12. This innovation is designed to protect the device from hacker techniques used by special services.

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USB Restricted Mode on iPhone and iPad: what is it and how to set it up correctly?

You can access your iOS device using several methods, including via USB. For example, a cracker can download all the necessary data from the iPhone (or iPad) through the Lightning connector, hack the passcode, and unlock the device.

USB Restricted Mode, introduced in iOS 12, disables charging and data transfer over Lightning if more than an hour has passed since the last time you unlocked your iPhone or iPad. That is, even having obtained a device, an attacker will not be able to retrieve data from it via USB, if enough time has passed since the moment it was last unlocked.

The mode is activated by default, however there may be circumstances in which you would like to disable it. For example, to charge your phone from a friend’s computer or while using CarPlay on long journeys when you cannot unlock your iPhone for a long time.

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How to disable / enable USB Restricted Access Mode

1. Open the app “Settings”;

2. Select Face ID and Passcode or Touch ID and Passcode depending on the device used;

3. Enter your access code;

4. Scroll down to the option “USB accessories”;

5. If more than an hour has passed since the last unlocking of the device, and you do not want to allow data transfer via USB, leave the switch in the off position;

6. If you want to enable USB data transfer, slide the switch to the desired position.

Remember, it is best not to touch the switch to protect your device. Typically, users will unlock their iPhones every hour or two. If you need to transfer data from a mobile device to a Mac or Windows computer, simply connect it to your computer and enter your passcode. Data will be transferred even if more than an hour has passed since the last unlock.

USB Restricted Mode only available on iPhones and iPads with iOS 12 or later. The mode disables the device from accessing the CarPlay interface if more than an hour has passed since it was last unlocked, so in this case users will have to deactivate the function. From Apple documentation:

“When connecting an iPod Accessory Protocol (iAP) USB accessory via a Lightning connector (such as CarPlay, accessories and chargers, or removable memory cards) or connecting to a Mac or PC, you may need to unlock your device in order for it to recognize the accessory. “.

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iPhone or iPad is frozen, won’t turn on, and won’t respond to buttons. What to do?

04/11/2020 by ALOK DAS

No need to panic if your iPhone or iPad won’t turn on or respond to buttons when you try to turn it on. There are two ways to quickly get it up and running, which we will tell you about.

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The first two reasons the iPhone won’t turn on are not related to hardware or software glitches. Most likely, the smartphone is simply discharged, and it needs to be recharged, or it freezes, in which case a forced reboot will help.

iPhone or iPad is frozen, won’t turn on or respond to buttons (may be black screen)

A common problem. A fully charged iPhone (iPad) is frozen (the program is frozen) or has completely turned off. Pressing the screen or the side button, unfortunately, does not lead to anything and does not start the device.

Do not worry! In 99% of cases, nothing terrible happened, the smartphone automatically went into the so-called “save mode”, this happens if you very rarely restart the device.

It should be noted that resuscitation methods may differ depending on the device model. So.

If you have an iPhone 8, iPhone 8 Plus, iPhone X, iPhone XS, iPhone XS Max, iPhone XR, iPhone SE (2020), iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone 12, iPhone 12 mini, iPhone 12 Pro or iPhone 12 Pro Max

Press and quickly release the volume up button. Press and quickly release the volume down button. Then press and hold the side button until the Apple logo appears.

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If you have an iPhone 7 or iPhone 7 Plus

Press and hold simultaneously Power button and located on the left volume down button for 15-20 seconds, after which the Apple logo appears on the screen.

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If you have an iPhone 2G, iPhone 3G, iPhone 3Gs, iPhone 4, iPhone 4s, iPhone 5, iPhone 5c, iPhone 5s, iPhone 6/6 Plus, iPhone 6s / 6s Plus, iPhone SE (2016), or iPad with Home button

To revive the above iPhone and iPad models, just press and hold at the same time Power button and home button for 15-20 seconds, after which the Apple logo appears on the screen.

Video:

In the meantime, there is no need to know about it. ”

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If you have an iPad equipped with a Face ID scanner (without the Home button)

This method is completely identical with the latest iPhone models: you need to press and quickly release the volume up button. Then press and quickly release the volume down button. Then press and hold the power button until the device restarts (the Apple logo appears).

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Is your iPhone or iPad completely discharged?

If your iPhone or iPad is discharged, connect it to the power adapter and charge it for 15 minutes, then try to turn it on without disconnecting from the charger.

If the battery is completely discharged, then sometimes after 5-15 minutes of charging, by pressing the power button, you can see an image with a lightning and a socket on the screen of a smartphone or tablet. This means that not enough time has passed since charging started. Wait a little more.

On the left is a screenshot of an iOS device that is not connected to charging, on the right – it is charging:

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Nothing helped?

The above situations are standard and, as a rule, are resolved elementary. However, if the solutions provided did not work, you are most likely experiencing one of the following problems:

The battery or power controller has failed.
Defective adapter or USB cable. Replace the defective charger;
Dirty cable connector. Clean the cable connector;
Using non-original charging cable. Replace the used cable with the original one or its MFI-analog;
Mechanical damage to the charging connector or other mechanical damage to the device. Contact the service center;
Defective device. Contact your place of purchase for a warranty replacement.

If, when you turn on the iPhone or iPad, it shows the apple logo on the screen without booting the system, try to force restart the device (described above), and if using it does not bring any result, restore the device using this instruction.

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MacOS won’t load or freeze when the Mac boots up, the apple is on and nothing happens. What to do?

31/07/2020 by ALOK DAS

Mac computers with the macOS operating system on board are the benchmark for reliability and performance, but even despite this, no one is immune from force majeure circumstances, due to which the operating system may not load (apple on the screen) or freeze at startup. In this article, we will talk about typical faults and how to fix them.

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Macs fail to boot or freeze while starting macOS can be due to three main reasons:

a problem with the software or its update;
a technical problem (SSD, HDD, RAM, processor, motherboard memory, controller, etc.);
new equipment (must be disconnected). Even an ordinary USB stick or USB key could be the reason.

First of all, MacBook owners are advised to check whether the battery is dead and whether the charger is working.

If the process of launching and loading macOS has begun, but freezes at certain stages, for example, on an “apple”, then you need to go through all the points below the given algorithm of actions in order.

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1. If MacBook, iMac won’t start due to (after) installing an update

Any Mac user updates the operating system on a computer from time to time. First of all, it’s free, and besides, the next releases of macOS provide new features, speed up the device and better unleash its potential. But sometimes users, after trying to update their operating system, face the same problem – the classic “apple” burns on the Macbook (iMac or other Apple computers) screen, and the operating system does not start. This is a known problem, but fortunately it is not hard to fix.

1. Shut down or restart your Mac.

2. Immediately after turning on or restarting, hold down the key combination on the keyboard Command (⌘) + R…

3. In the menu that appears, select the desired language.

4. Log in Disk Utility…

5. A disk appears on the left side of the active window. It is usually called Macintosh HD. If we fix the problem, the disk will not be mounted. Its name will be displayed in light gray.

6. To mount the disk in the upper panel of the disk utility there is a button “To plug“. Click it and enter your password.

7. The name of the disc will be shown in the lower right corner, remember it. By default it is – disk2s1…

8. Close Disk Utility and in the top menu bar open the tab “Utilities“. Select an application from the list of utilities Terminal…

9. In the Terminal window, enter the following command:

ls -aOl “/Volumes/Macintosh HD/Recovered Items”

and press the Return (Enter) key.

instead of Macintosh HD, you must specify the name of your disk, if it is different.

10. The line “No such file or directory“.

11. Now you need to enter the second command:

diskutil apfs updatePreboot disk2s1

and press the Return (Enter) key.

parameter disk2s1 Is the default disc name. In your case, it may be different.

12. It remains to wait for the command to complete. After that, reboot your Mac, it should boot normally.

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2. Disconnect all devices connected to your Mac and try restarting your computer

We covered how to force restart any Mac in this article.

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3. Boot macOS in Safe Boot or Verbose mode

Safe Boot or simply “Safe Mode” allows you to run macOS with limited checks and functionality. That is, only the minimum is launched that allows the system to function. We perform all actions from a turned off Mac. To turn it off, just hold down the power button for 2-3 seconds.

MacOS in mode Safe Boot starts a little slower (if it starts at all), so do not rush to the next step until you are convinced that this is not working. To start your Mac in Safe Boot mode, just turn on the computer while holding down the key ⇧Shift…

There is also an analogue of the Safe Boot mode – Verbose mode… The difference is that the latter allows you to display all the detailed information about the loaded processes, software and drivers. To start the Mac in Verbose mode, start the Mac with the keys held down Shift + Command + V (⇧ + ⌘ + V)…

If the Mac starts up in Safe Boot or Verbose mode, then you need to click on the menu  and restart the machine in normal mode. A successful download means we’re in luck.

If the Mac won’t boot, then smoothly proceed to the next step.

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4. Using Disk Utility

Our guide is built on first weeding out the most common and easy-to-fix causes of Mac failure. At this stage, you need to make sure that the malfunction of the hard disk or SSD is not the cause of the malfunction, but a standard tool in the person of Disk Utility will help us with this.

Shut down your Mac from any frozen state. Running Disk Utilities performed by turning on the Mac with the keys held down Command + R (⌘ + R)… Here you will be taken to recovery mode.

In the appeared list “MacOS utilities“Select”Disk utility“And press the button”Proceed“.

In the disk utility, select the hard disk in the left side menu and start the scan mode by clicking on the “First aid»At the top of the window.

After completing the check, if any faults are found, the utility will immediately offer to fix them or fix them automatically. Then restart your Mac. If it doesn’t help, then proceed to the next step.

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5. How to save data from a Mac that won’t boot macOS

If you do not care about the data stored on the hard disk, then feel free to skip this step and proceed to the next step.

If you are not using the most useful Time Machine feature, then before reinstalling macOS, you need to take care of transferring data from the disk. Developers from Cupertino have come up with a special External Disk Mode (detailed), with which you can access data stored on a Mac’s hard drive to copy it to another Mac. The disadvantage of this method is obvious – the need for a second Mac and a Thunderbolt cable.

To activate the Target Disk Mode:

1… Connect both Macs using a Thunderbolt cable.

2… Turn off the problematic Mac and turn on the working Mac.

3… Start an unhealthy Mac with the button held down T and hold until the Thunderbolt icon appears on the display with a blue background, which indicates that the Mac successfully starts up in Target Disk Mode.

On a working computer, an external hard drive should appear in Finder, from which we will copy important data. After completing the procedure, safely remove the disc and turn off the computer by long pressing the power button.

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6. Reinstall macOS

The final stage of all actions that each user can perform at home will be the reinstallation of the system. Turn on your Mac with the keys held down Command + R (⌘ + R), wait for loading “MacOS utilities“And select the item”Reinstall macOS“And press the button”Proceed“. Then follow all the actions suggested by the system.

We talked in more detail about the correct reinstallation of macOS in this article.

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7. Today is just not your day.

If the above steps did not help, then most likely you have something more serious. The problem may lie both in the newly installed equipment, and in the inoperability of the standard hardware. For further diagnostics, contact the specialists from the service center for help.

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