09.08.2020

Mac Pro Not Starting After Software Update

Mac Pro Not Starting After Software Update 4,6/5 2264 votes

Aug 03, 2017  Hi there, My MacBook Pro mid 2010 stopped working during the last OS update this week. It started to install but never worked again, showing the apple and the progress bar completely filled but not starting. After an hour and a half I decided to restart it and got the same result. After a while the Fans start to run faster and faster like if it were going to take off.

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. 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.

Mac pro won

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.

My Mac Won't Update Software

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?

Related Readings

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.

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.

  • 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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  • 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.

Apple Mac Pro Update

Mac won't start/boot after macOS High Sierra update/installation, help!

'I upgraded my iMac into latest macOS High Sierra last night. And when I completed the update process, tried to start the computer. It won't boot.
Canoscan 8800f software from canoscan setup cd-rom windows & mac. I tried to hard reboot Mac computer, but nothing showed up. What else can I do to wake up the computer and make it work again with macOS High Sierra?
'

Although Mac hard drive boot failure issue is not a new problem anymore. But it's still a tough case for ordinary users to fix when their Mac computers fail to boot after macOS High Sierra update or installation. If you are having such a problem, relax! This tutorial article will show you how to quickly fix and resolve Mac hard drive won't boot issue after macOS High Sierra update. Just follow any one of offered methods to get your Mac computer back to work again now:

Quick Fix 1. Reset SMC to fix Mac won't boot after High Sierra update

Sometimes, if the Mac computer cables are not connected properly, you may not be able to boot it normally. So if Mac cannot boot after system update, you can reset SMC to fix Mac won't boot issue after macOS High Sierra update:

1. Shut down Mac computer and unplug all cables;
2. Wait for a few minutes and then plug the cables back;
3. Restart Mac computer to see if you can enter the system or not.

Quick Fix 2. Force to reboot Mac and reset NVRAM to fix Mac won't boot issue

1. Press and hold Power button for a few minutes till Mac turns off;
2. Wait a few seconds and press Power button to turn on Mac;
3. Hold Command + Option + P + R keys while booting Mac to reset NVRAM;
4. Reboot computer again to see if the problem gets solved or not.

Note: If these two quick fixes didn't help, continue with below complete solutions to get your problem resolved now.

Complete solution to fix Mac won't boot/fails to boot error after macOS High Sierra update

Step 1. Recover data when Mac hard drive won't boot from High Sierra

If you have important data saved in Mac computer hard drive, do remember to restore data before taking actions to fix Mac won't boot error.

Professional Mac data recovery software with bootable disk can help you effectively restore your data out of Mac hard drive when the computer fails to boot. You can directly purchase EaseUS Data Recovery Wizard for Mac with Bootable Media to create a bootable media for Mac and apply it to restore data from fail to boot Mac computer now:

1. Insert the created bootable media into Mac and turn on Mac computer, immediately press and hold the Option key and select EaseUS Data Recovery Wizard for Mac to boot;
2. Connect an external storage device to Mac computer;
When EaseUS Data Recovery Wizard for Mac launches, follow this tutorial to restore lost files on Mac.

Step 2. Fix Mac won't boot error after macOS High Sierra update
Fix macOS High Sierra won't boot issue

Method 1. Boot Mac from Safe Mode to fix Mac won't boot issue

1. 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.
3. Wait patiently till Mac computer finish the reboot process.

Method 2. Use Disk Utility to restore Mac from Recovery Mode when macOS High Sierra won't boot

1. Boot Mac up, press Command + R during the boot-up process;
2. Click Disk Utility option > Click First Aid and try repairing Mac's disk;
3. Disk Utility will automatically run a fsck (file system check) operation to help you repair macOS High Sierra fail to boot error;
4. If this fails, try restore from Recovery mode.
5. Reinstall OS X in Recovery Mode will automatically download and install the latest macOS High Sierra for your Mac device.

Method 3. Run Terminal to repair Mac hard drive won't boot error due to High Sierra update

1. Open Terminal > Applications > Utilities;
Enter: system_profile SPExtensionsDataType > ~/Desktop/kextList.txt and hit return;
2. Open the kextList.txt file on desktop > Press Apple(Command) + F to bring up find;
3. In the find field insert 'Obtained from: Not Signed' and copy the destination to the .kext file to a list for use later;
4. Click Next to cycle through all of them, for example: /System/Library/Extensions/JMicronATA.kext
5. Browse your drive to /System/Library/Extensions and remove all unsignedkext files;
6. Reboot and your Mac boot problem shall be all set.

Method 4. Reinstall macOS High Sierra to resolve Mac won't boot issue

The last method that you can try is to download macOS High Sierra and create a new bootable drive to clean install macOS High Sierra on Mac computer so to make it boot up normally and work smoothly again.

Apple Software Update Not Working

1. Connect USB bootable drive on Mac and restart Mac by holding Option till you hear the reboot tone;
2. Select disk called Install macOS High Sierra in the drive list that appears on screen;
3. Once USB drive is booted, select Disk Utility > Choose Mac's startup from the list > Click Erase;
4. Once Mac's startup disk is formatted, return toUtilitieswindow and select Install macOS > Choose just erase startup drive to install macOS > Follow onscreen prompts to complete the installation.

My Mac Will Not Update

This may take you a few hours to complete the task. And of course, if you have important data, follow Step 1 to get all saved data out firstly.