Aug 31, 2017  My Mac won't boot into OS X anymore after installing Windows 7 via Boot Camp. What I've Tried: - Holding down various key combinations during start-up (Option, Option-R, Command-R, Option-Command-R, etc) does nothing. Jul 17, 2019  Fix macOS High Sierra won't boot issue. Boot Mac from Safe Mode to fix Mac won't boot issue. Turn on Mac, press Shift when you hear the startup sound and release it till you see Apple logo; 2. After Mac fully starts, restart the computer normally without holding any keys/buttons. Wait patiently till Mac computer finish the.

• Mac Won't Boot Troubleshooting
• Mac Won't Restart After Software Update

in this article, I have listed all the things on What to Do When Your Mac Won’t Start-Up. Your MacBook Won’t turn on means a Black screen on macOS 11, You can not see the Error Message on Screenthat at that time we haven’t any idea what you should do first. So it’s Very apprehension situations and I recommend to fix using the most helping solutions at first. Generally, a black screen comes after MacOS Update So you are not alone and we can fix it. And Another case is the random black screen MacBook, iMac, Mac mini, MacBook Air. It is obvious to be afraid and panic if you are in this situation for the first time. This isn’t the end of your Mac, and it won’t start again on your own. Sricam web interface. There are some pretty good tricks available here when your Mac won’t boot/start you can do it on your own without spending a single buck. So let’s try to fix Mac won’t turn on.

This tutorial is also helpful for those Apple Mac users having issues that Mac won’t turn on but is charging; Mac won’t start at All, Mac not begins after sleep or after a Power outage. Lost of users also reporting mac won’t start on fan running or after restart/ after three beeps/ water spill/ after shutdown or on the loading bar.

we are happy to help you, submit this Form, if your solution is not covered in this article.

This kind of failure arises when you have updated to macOS Big Sur, mac Catalina from macOS High Sierra, Mojave, but often people face such situations and try to fix them with some tricky solutions. Let’s head over to mac won’t turn on/boot after updating to Latest MacOS Update Version.

Solved: How do you fix a Mac that won’t turn on?

Common Solutions to Mac Won’t turn on After Update MacOS Big Sur

1: Charge your MacBook At least 1 Hour.

2: Disconnect your Charger [Unplugg charging port], Put one finger on Trackpad center areas, and at the same time Press and hold the power button of MacBook. Now Keep Pressing both at least 30 to 60 seconds. I hope it will work and turning on the Macbook screen. that’s it. if still not work follow the next point.

3: Connect your Charger, And Press and Hold the power button for 60 seconds, Also keep in your mind that if your Mac’s charging port is not light up Green/Yellow light that means you need to replace the charger.

4: This point fixes the hardware issues, if you don’t know and don’t need that this is for information only, Remove the bottom piece of the back body, Remove 10s screws and Take out the body. Now First you will see Green RAM [To identify do google Macbook Ram], Take it our One or Two RAM and put back again after 30 seconds. Next is Problem with MacBook hard Drive, Remove MacBook Drive, and put back in after 60 seconds. Still not work.

Your MacBook has a problem with Battery or Motherboard.

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Solution 1: Also, Try to Remove the power cable and Hard Reboot:

1: Remove or Disconnect the power cable that used to charge your Macbook.
2: Press and hold the Power button for at least 10 seconds.
3: Again Take a power cable and Plugin.
4: Now Hold Down Power button for 7 seconds. This will help to boot your Mac Laptop.
5: This technique works all Macbook Modle and year.

Solution 2: Shake and Fix: Fix loose contacts of RAM, HARD DRIVE, Battery

Why would my Mac not turn on? Don’t worry. Let’s clutch your laptop with both hands and Shake your MacBook and after that Try Again to turn on, One of Redditter finds out the solution and that amazingly works for many MacBook owners.

Solution 3: Reset SMC/PVRAM Settings Using Keyboard Shortcuts

On your MacBook Keyboard, Press and Hold these keys at once:
Click on Shift + Control + Option + Power Button on MacBook.
After that only press the power button to turn on the MacBook Screen.

Fix 1: Check Power or Charger’s Cable

Carefully look at the power cable to see if it is not damaged or broken at some part. At the same time, also check the AC power socket is working correctly by connecting another device.

Alternatively, try to use different power cable or adapter that is compatible with your Mac. These are the only ways to check the power cable.

Fix 2: Perform Power Cycle: How do I fix the black screen of death on my Mac?

There are some weird cases that occur in which Mac’s green light is glowing perfectly, and on the other side, the Mac won’t turn on. You must try to perform a power cycle and reboot the Mac in a particular mode. This involves some steps,

• Step #1: Remove the “Power cable.”
• Step #2: Press and hold the “Power” button for 10 seconds.
• Step #3: Keep pressing the power key and connect the power cable.
• Step #4: Hold ten more seconds.
• Step #5: Release the key and let the Mac usually start.

Fix 3: Start in safe mode

Safe mode is a foolproof solution if your Mac won’t start or Mac crashes continuously. It limits some of the apps while startup and Mac feel little reliable and start without carrying much load at the startup.

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• Step #1: Press and hold down the “Power key” and “Shift key” together.
• Step #2: Now, release the “Shift key” when the login page appears on the screen.

Fix #4: If You’re Mac is stuck on a black screen after booting

It is the most reported issue on the forums that while starting up the display of Mac goes black. This happens because of low power, and that’s why you can’t see the bright part of the screen. However, if you put the display in the darkroom, you might see the dialogue box of login and password.

Besides, you can give a flash behind the display and try to locate the cursor on the dialogue box and enter a password. The screen should generally start after entering the password.

Fix #5: Reset SMC on Apple Mac

System Management Controller plays an essential role in many functioning parts of Mac. Hurdles related to battery, display and most specifically power key related can be easily fixed by resetting SMC.

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We are happy to help you! Follow the next Step if Your Solution is not in this article, Submit this form without Sign Up, We will revert back to you via Personal Mail. In Form, Please Use the Description field to Mention our reference Webpage URL which you visited and Describe your problem in detail if possible. We covered your iPhone 11 Pro, iPhone 11 Pro Max, iPhone 11, iPhone 8(Plus), iPhone 7(Plus), iPhone 6S(Plus), iPhone 6(Plus), iPhone SE, SE 2(2020), iPhone 5S, iPhone 5, iPad All Generation, iPad Pro All Models, MacOS Catalina or Earlier MacOS for iMac, Mac Mini, MacBook Pro, WatchOS 6 & Earlier on Apple Watch 5/4/3/2/1, Apple TV. You can also mention iOS/iPadOS/MacOS. To be Continued..

• Step #1: Remove the “Power cable.”
• Step #2: Leave at least 15 seconds.
• Step #3: Re-plug the “Power cable.”
• Step #4: After 5 to 10 seconds, press “Power” again.

Fix #6: Try Recovery Mode

If you are facing these issues regularly, then try recovery mode.

• Step #1: Restart the “Mac.”
• Step #2: When the Mac restarts press and holds “Command+R” keys when you hear reboot tone. Release the keys when the Apple logo appears on the screen.
• Step #3: Now you will see the macOS “Utilities” window.

NOTE: If you have mistaken something while pressing keys then the standard desktop will appear. You have to follow the steps again.

Summary: Here are solutions to fix Mac stuck on a loading bar screen error. Also, you'll know how to prevent data loss when Mac becomes slow or freezes on a loading bar screen.

Many Mac users have encountered a severe problem. That is iMac, MacBook or Mac stuck on loading bar screen while starting up or after updating macOS.

Probably, you are experiencing the same trouble. At first, you regard such a long boot time as a slow startup. But the Mac just got stuck on the loading screen for hours without any change. Then, you should not wait but do something.

You can follow this guide to fix Mac stuck on the loading bar issue macOS Catalina/Mojave/High Sierra.

To fix this issue, let's start with the causes.

Why is my Mac stuck on the loading bar screen?

Normally, Mac would show an Apple logo at startup when it finds your local startup disk. Then, based on if you have encrypted the startup disk, a loading bar appears after or before you log in to the Mac.

The loading bar indicates that the system is checking and loading macOS from the startup disk. It involves macOS structure, corn components, file system, security chip, etc.

However, if something is not going well, the progress bar will get stuck. For instance, the updated software is not compatible with your Mac models. Or the file system of the startup disk is corrupted after an unforeseen shutdown.

No matter what the reason is, this issue will prevent you from booting up your Mac.

How do I fix Mac is stuck on the loading screen issue?

In fact, you are not the only one whose Mac crashes during boot. Just check the users who are asking for help from forums:

• My iMac progress bar stuck at 100% after installing macOS Catalina. How to fix?
• Macbook gets stuck on Apple logo screen with a loading bar. Any suggestions? (running Mojave).
• Macbook Pro won't load after an update. Help!
• My MacBook Air freezes on a fully loaded progress bar for one hour! Any help is appreciated!
• iMac is stuck on a black startup screen with a status bar. What to do?

The good news is, even though your Mac stuck on login screen, you can fix this issue with 7 available solutions. Now, let's try them one by one and fix the Mac stuck on loading bar screen issue.

Solution 1: Restart your Mac when Mac progress bar stuck

Software like solidworks for mac. Whenever you encounter the boot problem, you can try rebooting the computer. Though not always work, it won't hurt.

When your Mac is stuck on loading screen, you cannot shut it down from the Apple menu. But you can press and hold the power button for a few seconds to turn off the Mac. Then, you can disconnect all peripheral devices from your Mac. This will isolate the problem and leave the Mac alone

After a few minutes, you can restart the Mac again. Does your Mac boot past the loading bar screen?

Solution 2: Boot your Mac in Safe Mode

Mac stuck on startup screen with status bar could be caused by software conflict or incompatibility. So, to confirm it, you can boot the Mac into Safe Mode. A Safe boot will prevent your Mac launching unnecessary programs and login items at startup. It also does a basic check of your startup disk.

To boot your Mac into Safe Mode, you need to:

1. Step 1: Force your Mac to shut down.
2. Step 2: Press and hold the Shift key while tapping the power button to start your computer.
3. Step 3: Release the Shift key untill you see the Apple logo and loading bar.

If your Mac loads successfully in Safe Mode, it's surely a software or firmware conflict. To find out the exact conflicting program, you need to restart your Mac in Verbose mode with these steps.

1. Step 1: Restart your Mac and immediately hold Command + V at startup.
2. Step 2: Let the keys go after you see the Apple logo.

Instead of a plain loading bar, you will see the booting progress report in Verbose mode. With the live report, it's easier to find out which software stops your Mac from starting up. Then, you can simply reboot your Mac into Safe Mode and get rid of it.

Solution 3: Reset NVRAM/PRAM

PRAM or NVRAM is a non-volatile random access memory. It is used to store system settings on Mac, including startup disk selection and recent kernel panic information.

So, when Mac won't boot after macOS update or get stuck at 100% progress bar,resetting NVRAM/PRAM might help. You can simply restart your Mac and simultaneously press Command + Option+ P + R keys. Then, you can restart it again.

Solution 4: Reset the SMC

SMC, short for System Management Controller, is incorporated into the Mac's motherboard. It is used to control a number of Mac core functions, including sudden motion sensor and thermal management. Typically, SMC reset helps to resolve Mac unresponsive issues related to power and hardware.

To reset the SMC on a Mac computer, you need to at first determine whether the battery is removable or not. The process of resetting SMC of a non-removable battery is quite different.

1. Reset SMC when MacBook Air and MacBook Pro stuck on loading screen

If the battery is removable:

• Step 1: Turn off your Mac.
• Step 2: Remove the battery.
• Step 3: Press the power button and hold it for a few seconds.
• Step 4: Reinstall the battery.
• Step 5: Press the power button to turn on your Mac.

If the battery is non-removable:

• Step 1: Shut down your Mac.
• Step 2: Press Shift+Control+Option on your keyboard and press the power button at the same time.
• Step 3: Hold these keys for 10 seconds.
• Step 4: Release the keys.
• Step 5: Press the power button again to turn on your Mac.

2. Reset SMC when Mac Mini, Mac Pro and iMac stuck on loading screen

• Step 1: Shut down your Mac.
• Step 2: Unplug a power cord.
• Step 3: Wait 15 seconds.
• Step 4: Plug the power cord in.
• Step 5: Wait several seconds and turn on your computer by pressing a power button.

Solution 5: Repair startup disk in macOS Recovery Mode

Sometimes, the Mac progress bar is not loading further because the startup disk is corrupted. Fortunately, First Aid is a built-in disk repair tool on your Mac. It helps if there is a disk error on Mac internal hard drive. So you can give it a try to fix the Mac stuck on apple logo with loading bar issue.

If First Aid successfully found errors and repaired them, you can restart your Mac. Disk Utility helps Mac boot up, and your Mac desktop or MacBook should boot past the loading bar screen and turn on then.

Solution 6: Reformat the startup disk and reinstall macOS

Mac Won't Boot Troubleshooting

But sometimes, even First Aid won't work if the startup disk is severely corrupted. In this case, you might want to erase the startup disk in macOS Recovery mode. Disk erasure will reformat the hard drive with a new file system.

This usually will fix this issue. However, at the same time, it will wipe all your files off the drive. So, if you have important files on this Mac, you should first rescue data from the corrupted hard drive. It's necessary especially if you don't have any backup.

If you don't worry about data loss, you can proceed with reformatting the Mac hard drive.

1. How to reformat the corrupted startup drive?

• Step 1: Restart your Mac into macOS Recovery mode.
• Step 2: Select Disk Utility from the macOS Utilities menu and click Continue.
• Step 3: Select the Mac hard drive (often named Macintosh HD or Apple SSD) from the left sidebar.
• Step 4: After clicking Erase on the top, you need to name it as Macintosh HD, and then give it a scheme and format.
• Step 5: Click Erase to confirm this operation, and then wait it to complete.

Now, you have an empty but workable Mac hard drive. To boot your Mac again, you need to continue with the next part.

2. How to reinstall macOS in macOS Recovery mode?

After erasing the Mac internal hard drive in macOS Recovery mode, you can reinstall a new operating system.

Hopefully, the Mac stuck on loading bar/Mac progress bar stuck at 100% issue can be fixed.

Solution 7: Restore macOS with local APFS snapshot

It's inevitable that a macOS update is not compatible with your Machine. So if your Mac gets stuck on the loading bar screen because of a recent macOS update, you may want to revert to the previous state.

If your Mac won't boot past Apple logo or have other problems after macOS Catalina update, you may want to downgrade it.

Fortunately, in macOS High Sierra or later, an APFS snapshot is saved before installing any macOS update. And you could restore your previous OS with the APFS snapshot. But this may erase your hard drive, so you also need to back up data on the unbootable Mac first.

How can I rescue data when Mac won't boot past the loading bar?

Sometimes, the Mac won't load progress bar because of startup disk corruption.Then, you need to at first reformat the startup drive and reinstall macOS. This process will wipe all the files on the Mac internal hard drive. Thus, it causes data loss if you don't have a backup copy.

But never mind. You can rescue data from the unbootable Mac with iBoysoft Data Recovery for Mac. It helps you get files off efficiently when Mac is not turning on.

iBoysoft Data Recovery for Mac is one of the best Mac data recovery tools. It can recover data from corrupted Macintosh HD and external drive. It also can retrieve data from unmountable Macitosh HD, external drive, and recover data from Apple T2 secured Mac. This software can recover photos, videos, documents, music files and emails.

To rescue your files from the unbootable Mac, you need to run iBoysoft Data Recovery in macOS Recovery mode.

Mac Won't Restart After Software Update

If your Mac keeps stuck on loading bar and won't boot up/turn on at all, you can follow this complete tutorial to make it work again

Conclusion:

It's terrible if your Mac freezes on a loading bar at startup. It could get stuck on a screen that you have never seen before, like a folder with question mark at startup. But anyway, if a Mac is stuck with Apple logo on loading bar or login screen, you have no access to files stored on it.

If unfortunately, you encountered such issue, you should first check if you have a backup of your data. If not, iBoysoft Data Recovery for Mac will be a good helper to recover lost data from the unbootable Mac. Then, you can try out the solutions above one by one till you can boot up your Mac as normal.