Mac Won’t Turn On/Boot after Updating to MacOS Catalina, High Sierra, Mojave: Free Troubleshooting Guide

Fix Mac Wont turn on macos mojave 10.14 macbook pro macbook air

Your MacBook Won’t turn on means a Black screen, You can not see the Error Message on Screen that 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 the Another case is 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.

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 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 Mac Won’t Turn ON macOS Catalina, High Sierra/ Mac won’t Reboot Mac

Fix Mac Wont turn on macos mojave 10.14 macbook pro macbook air

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

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. Hope it will work and turning on 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

Shake your MacBook and Try Again to turn on, One of Redditter find 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:
Shift + Control + Option + Power Button on MacBook.
After that only press 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 power cable.

Fix 2: Perform Power Cycle

There are some weird cases 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 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 starts 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 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.

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 this 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 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.

  • Is this article useful?
  • yesno

Leave a Reply

Your email address will not be published. Required fields are marked *