Solution: Fix white screen happened on Mac

Total 9.57% of total world PC users have Mac as their default OS, and it's a considerable number. Just like the blue screen of death in Windows, the apple has its error that causes the operating system to crash with the display of a white screen. It mostly happens abruptly while dealing with incompatible drivers or if some applications or hardware component fails to upgrade. So this results in your Mac in freezing with a display of white screen unless some step is taken to restore your Mac back to its original state. So the question is how to do it? In this article, we shall discuss some possible solutions to fix white screen happened on mac.

Solution 1: Using Safe Boot

Safe boot mode always comes handy while dealing with trouble from any OS, be it Mac, Windows or Linux. So whenever white screen appears, the first sensible step would be to go for safe booting of your Macintosh. Thus basically, secure boot prevents some software from loading automatically, do some start-up checks including disk verification, cache clear up, etc., and can restore your Mac from Mac white screen. To perform safe boot:

  1. Restart your Mac.
  2. Press and hold the "shift" key or continuously press it as soon as the system restarts.
  3. The apple logo appears soon after that.
  4. Release the "shift" key as soon as the login window appears. Provide your credentials and log in.

To exit safe mode, simply restart your pc without pressing or holding down any key. This would boot up your PC in normal mode. Unsure whether your Mac has booted up in safe mode or not? Directly go to your system information list and click on "software." In the system software overview, you can see whether your boot mode is "normal" or "safe." This step should fix white screen happened on Mac.

Solution 2: Reboot with Disk Utility

The second step to fix Mac white screen would be to perform a disk utility check. For this, you need to enter into recovery mode. The Disk Utility check can verify issues in your startup disk without entering into any other volume but cannot repair it. This verification Is known as "live verification." During live verification, if no error is found in the start-up disk then you won't need to reboot from different volume to fix Mac white screen.

  1. Restart your Mac.
  2. Press and hold "command+R" button. This would boot your Mac in recovery mode.
  3. A utility screen would appear. Click on "disk utility."
  4. Fix white screen on Mac-Reboot with Disk Utility

  5. You cannot repair your start-up disk if your Mac is starting up from it. To repair your start-up volume, you will need to start up from your "Mac OS X Install DVD" and click on "disk utility."
  6. To verify or repair non-start up disks, you can skip starting up from "Mac OS X Install DVD."
  7. Select the hard drive from the list and then click on the "First Aid" tab to start the repair.

The verification process takes its time. So be patient! Once the live verification has started, you may not cancel its progress. If error "Incorrect size for file temp" appears, ignore it. This should safely treat your Mac white screen.

Solution 3: Reset PRAM/NVRAM

Resetting the PRAM/NVRAM can fix Mac white screen in no time. In a Mac OS X computer, the parameter RAM and non-volatile RAM which is abbreviated as PRAM and NVRAM respectively are small amounts of RAM that store specific settings that includes screen display resolution settings, speaker volume settings or start-up disk preferences. Simple booting doesn't clear your PRAM and NVRAM. To fix white screen happened on Mac, you need to reset those RAMs properly. To do this follow this step:

  1. Reboot your Mac.
  2. Locate the following keys on your keyboard before your computer restarts
  3. ・ Command
    ・ Option
    ・ P
    ・ R

  4. Press and hold these keys or simultaneously press these before the apple logo appears
  5. Press these for about 15 secs or so.
  6. Your NVRAM would be reset and your computer restarts

Resetting your PRAM/NVRAM can cause some of your setting to change back to default. But it can surely fix Mac white screen.

Solution 4: Using Terminal in Single User Mode

Sometimes using single user mode can solve Mac white screen issue. This can help fix Mac white screen for you. For this you need to:

  1. Restart your Mac.
  2. Press and hold "command+S"
  3. If you are a FileVault user, release the keys when you see the login window. Provide your credentials to log in in single user mode.
  4. If you are a firmware password user, then turn off the password before starting up in the single user mode.
  5. Enter UNIX command "reboot" to exit single user mode and startup to fix your Mac white screen.
  6. Fix white screen on Mac-Using Terminal

Solution 5: Reinstall Mac OS X

When none of the steps seems to fix Mac white screen, then the best option would be to reinstall your OS. For these, you need to back up some necessary data before proceeding further. Follow these steps to reinstall your Mac OS X.

  1. Reboot your Mac.
  2. As soon as the screen restarts, press the "command+R" and boot your device in recovery mode.
  3. Click on "Reinstall OS."
  4. Fix white screen on Mac-Reinstall Mac

  5. Click on continue to proceed to the setup page
  6. Choose "Macintosh HD" from the hard drives to install the OS

After the selection of hard drive, the reinstallation starts with a time estimation. Mac boots up normally, after the reinstallation finishes.

How to Recover Data for Mac?

Loss of the data is a major headache while dealing with Mac OS recovery. But now, data recovery is a piece of cake thanks to third-party data recovery software like Wondershare data recovery software. The software of data recovery deals with varying situations like accidental data loss, virus damage, formatted devices, Mac or Windows recovery, etc and brings your precious data back. The biggest advantage of using the software is that it supports wide-range of file systems including hard disks and powerful enough to restore many file formats such as documents, audio, video, email, zip files, etc. Not only it is powerful but also cost effective, risk-free and reliable. Hence, Wondershare Data Recovery software can do your data recovery part on your mac in no time.

Conclusion

There are lots of methods to recover your Mac from the clutches of white screen menace. Let us know us know in the comment section below which way did you find useful to fix white screen happened on Mac.

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Note: Recover Lost Mac Data under Mac OS X 10.13 (High Sierra)

Due to macOS High Sierra (macOS 10.13) requirement, Mac users are not allowed an access to the built-in system drive from any apps. Therefore, if you need to restore lost data from the system disk under macOS 10.13, please "disable System Integrity Protection" first.

How to disable "System Integrity protection"? Please follow the steps below.

Step 1Reboot the Mac and hold down"Command + R" keys simultaneously after you hear the startup chime, this will boot OS X into Recovery Mode.

Step 2When the "OS X Utilities" screen appears, pull down the "Utilities" menu at the top of the screen instead, and choose "Terminal".

Step 3In the "Terminal" window, type in "csrutil disable" and press "Enter" then restrart your Mac.

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