Summary: iMac/MacBook won’t boot past Apple logo and progress bar? Didn’t back up? Just download iBoysoft Mac Data Recovery to recover data from unbootable Mac computer and go ahead to fix the problem.
Mac computers is faster, more user-friendly, safe, organized and simple-to-use compared to its competitors in the market. But nonetheless, just like all computers, Macs are susceptible to a number of errors that stop them from booting up correctly. When your iMac/MacBook won’t boot past Apple logo or Mac stuck on loading/login screen, you can’t access the Mac machine or all data stored on the Mac. In this tutorial we look at the steps you need to take when your Mac won’t boot past Apple logo.
Back up first
The first step in dealing with a boot failure is to save your data. If you don't make a current backup, please back up before doing anything else as data is so easy to be overwritten if you do any operation on the Mac. In this situation, you can boot into Recovery Mode and then restore data from Time Machine. But if you can't find Time Machine fails to back up recent data unfortunately, you can still recover lost data with the help of professional data recovery software.
Here recommend free Mac Data Recovery - iBoysoft Mac Data Recovery. It is able to recover data from unbootable Mac computer, recover Time Machine backups, recover data from failed internal Mac hard drive, recover data from unmountable APFS boot volume, as well as from unmountable Macintosh HD, unreadable, inaccessible APFS external hard drives, USB drives, SD cards, Pen drives and much more. It is compatible with macOS Mojave 10.14/High Sierra 10.13/Sierra 10.12/10.11/10.10/10.9/10.8/10.7.
Step 1: Download above iBoysoft Mac Data Recovery on another Mac computer.
Step 2: Install and launch iBoysoft Mac Data Recovery.
Step 3: Click iBoysoft Data Recovery on menu bar and then select "Create Boot Drive".
Step 4: Insert USB drive into your Mac computer.
Step 5: Follow the wizard to create a bootable recovery drive.
Step 6: After that, please insert iBoysoft Mac Data Recovery bootable USB drive into the unbootable Mac computer and start unbootable Mac computer.
Step 7: Select iBoysoft Mac Data Recovery from boot option.
Step 8: Follow the wizard to scan data from the unbootable Mac computer.
Fix 1: Check the power connection
Check the power is on and your iMac/MacBook is correctly plugged in. If possible, change a power cable or try a different power adapter. If your mac is a laptop, it’s not necessary to boot immediately the moment after you plug it in. Just give it a few moments after plugging it in and then turn it on.
Fix 2: Disconnect all third-party peripherals
Often it could be that one of third-party peripherals gets you Mac into trouble. Please shut you’re your Mac and disconnect all wired and wireless peripherals attached to your Mac computer, such as printers, USB hub, etc.
Fix 3: Perform a power cycle
If you don't hear the chime or any sign of life when you boot up, you should perform a special power cycle. On your Mac, you need to uplug the power cable and hold hold down the Power button for about 10 seconds. Without releasing the Power button connect the power cable. Wait 10 more seconds holding it and then start your Mac in a normal way.
Fix 4: Run Disk Utility in Recovery Mode
If your Mac is booting but the operating system is unable to loading up, you may have a corrupted startup drive. Fortunately, it's possible to repair the disk in Recovery Mode.
Step 1: Boot your Mac into Recovery Mode: hold down Command + R keys immediately after pressing the power button to turn on your Mac, release the keys until you see the Apple logo.
Step 2: From the macOS Utilities menu, select Disk Utility.
Step 3: Select the startup disk and click First Aid on the top menu bar
Step 4: Click Done and restart your Mac.
Fix 5: Reset your Mac’s PRAM and NVRAM
Step 1: Press and hold Power button for a few minutes till Mac turns off.
Step 2: Wait a few seconds and press Power button to turn on Mac.
Step 3: Hold Command+Option+P+R keys while booting Mac to reset NVRAM.
Step 4: Reboot computer again to see if the Mac computer can boot into macOS Mojave.
Fix 6: Reset the System Management Controller (SMC)
When you Mac sleeps or shuts down unexpectedly and you can't boot it, you can try resetting the System Management Controller (SMC).
If the battery is non removable:
Step 1: Shut down Mac and plug in the power cord.
Step 2: Press Shift-Control-Option, then press Power button.
Step 3: Hold the keys for about 10 seconds.
Step 4: Release the keys.
Step 5: Press Power as you would normally start your Mac.
If the battery is removable:
Step 1: Unplug your MacBook Pro from the power supply.
Step 2: Remove its battery.
Step 3: Press and hold down the Power button for 5 seconds.
Step 4: Release the Power button.
Step 5: Place the battery back in.
Step 6: Re-connect to the power supply.
Step 7: Press the Power button to boot your MacBook Pro.
On Mac desktop computers
Step 1: Unplug the power cable.
Step 2: Give it 15 seconds.
Step 3: Plug the cable back in.
Step 4 :Wait 5 more seconds and press Power again.
Fix 7: Start the computer in Safe Mode
When starting the Mac in Safe Mode, the system will certain verifies your startup disk and attempts to repair directory issues. To boot boot up your Mac in Safe Boot, you need to shut the Mac down and start it up while holding down Shift. Release the Shift key when you see the login window. If your Mac loads successfully in Safe Mode, try restarting without pressing any keys.
Fix 8: Erase and reinstall macOS
If the solutions above cannot fix the boot failure, you have to reinstall macOS. The operation will erase the whole startup drive, please make sure you have backed up.
Step 1: Boot your Mac to Recovery Mode.
Step 2: Select Disk Utility from the macOS Utilities menu.
Step 3: Select the startup disk from the side bar.
Step 4: Click on Erase from the top.
Step 5: Setup the required information to reformat the disk and click Done when finished.
Step 6: Go back to macOS Utilities screen and select Reinstall macOS.
Fix 9: Use Apple Hardware Test
If you are unable to erase the boot drive, there might be some hardware malfunctions on the drive. You can use Apple Hardware Test to help determine whether the startup disk is physically damaged. To know the method, please refer to: https://support.apple.com/en-us/HT201257. If your Macintosh has hardware problems, you should send it to local repair center.
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