White Lines Mac OS
White Lines Mac OS
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Your Mac stuck on white screen and you desperately grab your phone to google solutions? As it mostly happens abruptly, you need to find the fast way to bring your Mac back to life. So, let’s get down to work right away!
Why my Mac stuck on white screen?
Macs are reliable computers, but on the rare occasions they may encounter trouble and won’t load. When this happens, you see a blank white screen, your Mac becomes pretty much unusable, and you keep asking yourself, “Why won’t my MacBook turn on?”
Usually, this happens after updating your operating system to a new version, when dealing with incompatible drivers, or if some applications fail to upgrade. This results in a blank screen on Mac until some steps are taken to bring your computer back to its normal state.
How to fix the MacBook white screen
Before you do anything to solve the Mac frozen screen, try an easy fix: check your peripherals. Try to disconnect all of them (printers, scanners, USB devices, etc.) with the exception of the keyboard and mouse. Then reboot your Mac. If it boots up now, one of those peripherals is the source of the plain white screen problem. However, if it fails and your MacBook won’t load, check out other possible ways to wake up your Mac.
1. Boot into safe mode
A safe boot feature in macOS and Mac OS X was designed for troubleshooting purposes. It allows to check the disk for all possible file system errors and if needed, a repair would be run. Starting your Mac in safe mode is the first thing you should do when your Mac won’t turn on.
To start up in safe mode:
- Press the power button, then immediately press and hold the Shift key.
- When you see the Apple logo, release the Shift key.
Once you boot using safe mode, the very first thing is deleting cache files. A cache is a place where data is stored temporarily to help things load faster. But eventually, files in a cache become outdated and start to pile up on your Mac, resulting in a white screen problem. Here’s a comprehensive guide “How to clear cache on a Mac.”
After you’ve deleted the cache files, you should also remove recently installed applications. But note that dragging them to the Trash is not the right way to remove apps as it leaves behind tons of associated files on your Mac. But don’t worry, there is a utility that will help you — CleanMyMac X. Its Uninstaller module is designed to uninstall apps completely, with no leftover parts and pieces behind.
Simply download the app (it’s free to try), launch it, choose Uninstaller and select the app you want to delete. Click Uninstall and the application will be removed completely. As simple as that!
As you’ve removed all the clutter, restart as normal without pressing any keys during startup. Probably you won’t see that MacBook white screen anymore.
2. Reset PRAM/NVRAM
PRAM/NVRAM is a small amount of memory that your Mac uses to store certain settings and access them quickly. These settings include sound volume, time zone, startup disk selection, and more. If you experience some issues related to these settings, resetting PRAM might fix your MacBook stuck on white screen.
Here’s how to reset PRAM/NVRAM:
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- Shut down your Mac.
- Immediately press these four keys together: Command+Option+P+R.
- Hold down the keys until you hear the startup sound.
- Release the keys.
When your Mac finishes starting up, you should go to System Preferences and adjust some settings that were reset, such as time zone, display resolution, etc.
3. Use Disk Utility to verify or repair disks
Disk Utility can fix several disk problems, including the white screen on Mac. That’s why use it to your advantage if the above steps didn’t work.
- Restart your Mac holding the Command and R keys.
- Release the keys when you see the Apple logo.
- Click Disk Utility and then click Continue.
- Choose the disk you want to repair.
- Click the First Aid button.
If Disk Utility says the disk is about to fail, there’s nothing you can do — you have to replace it. If it reports that the disk has been repaired, you’re done. You can click Show Details to get more information about the repairs.
4. Reinstall macOS
If all the approaches are failing and you still see that white screen on your Mac, you may need to reinstall your operating system. Don’t worry, it won’t affect your files, apps, user setting, etc. Only a fresh version of the macOS will be installed on your Mac again. Here’s how to do that for macOS Sierra, macOS High Sierra, macOS Mojave, macOS Catalina and macOS Big Sur.
Note that sometimes the standard reinstall methods won’t work due to the issues with the drive. In this case, you’ll need to use the internet recovery to reinstall the operating system.
Follow these steps to reinstall macOS from the internet:
- Turn on or restart your Mac.
- Hold down the Command+Option+R keys until you see the Apple logo or a spinning globe.
- When startup is complete, you’ll see the Utilities window.
- Choose Reinstall macOS and click Continue.
Follow the onscreen instruction to complete the process.
Once you’ve brought your Mac to life, make sure to do some maintenance to prevent such unpleasant issues in future. A utility we’ve mentioned above — CleanMyMac X — will help you keep your Mac in shape for years. Apart from cleaning your Mac from all the junk, it gives you access to all maintenance scripts that allow to quickly optimize the system performance and never worry about the health of your Mac.
With the solutions above, you’ll fix the white screen problem on Mac, so that it can function as a new one. Cheers!
06 Aug How to Fix a Mac Stuck on a White Screen
August 6, 2018
If a plain white screen appears when your Mac starts, then some of its hardware or software may have failed. Follow the steps below to solve the problem.
1. Check your Mac’s hardware systematically.
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To find a malfunctioning device attached to your Mac, start by disconnecting everything from it, including peripherals with a Bluetooth or other wireless connection. After you have done that, restart the Mac and see if the white screen reappears. If your Mac starts normally, then you can try reconnecting all of the devices one at a time until you find the one that caused of the problem. Replace that broken device.
If the instructions above did not solve the problem, proceed to the next step.
2. Start your Mac in Safe Mode and clean it up.
To start your Mac in Safe Mode, follow these instructions:
- Press the power button, and then press and hold the shift key when you hear the start-up chime.
- Release the shift key when you see the Apple logo and progress bar.
- Once the Mac has gone into Safe Mode, go to your Applications folder to uninstall the apps that you no longer use, then empty the trash.
- Restart the Mac.
If the Mac can start up successfully, use Cleaner Oneto remove junk files (like app logs and caches), unneeded big files, and duplicates. The App Manager feature can completely uninstall any app with no leftover files.
If the instructions above did not solve the problem, proceed to the next step.
3. Reset the PRAM or NVRAM.
Parameter Random-Access Memory (PRAM) and Non-volatile Random-Access Memory (NVRAM) store configuration information about your Mac. To reset the PRAM/NVRAM, follow these instructions:
- Restart the Mac, then press and hold down the Command + Option + P + R keys when you hear the start-up chime.
- Continue to hold down the keys mentioned in the previous step until you hear the second start-up chime, then release the keys.
- Wait for the Mac to finish starting up.
If your Mac has multiple drives, you might need to select a start-up disk after resetting your Mac. If your Mac starts normally, then you can skip the instructions below. However,
if you must select a start-up disk:
- Restart your Mac, then press and hold down the Option
- In the Startup Manager, use the arrow keys to select the main drive (usually called Macintosh HD), and then press the Return
- Wait for the Mac to finish starting up.
After your Mac successfully starts, go to System Preferences and adjust any settings that changed.
If the instructions above did not solve the problem, proceed to the next step.
4. Make repairs with the Disk Utility.
A faulty hard drive can cause a white screen to appear. Use the Disk Utility to make repairs by following these instructions:
- Restart your Mac, then press and hold down the Command R keys when you hear the start-up chime.
- Release the keys when you see the Apple logo.
- When the OS X Utilities menu appears, click Disk Utility and find the drive that you want to repair.
- Click the First Aid
The Disk Utility will report the status of the drive after it has finished. If it indicates that the drive will soon fail, back up your files and then replace or reformat the faulty drive.
If the instructions above did not solve the problem, proceed to the next step.
5. Reinstall Mac OS X.
You should only try this solution if none of the previous steps have solved the problem. Reinstalling the operating system should fix any corrupted software without deleting your data and files, but you should back them up first if possible. When ready, follow these instructions:
- Restart the Mac, and then press and hold down the Command R keys when you hear the start-up chime.
- Release the keys when you see the Apple logo.
- When the Mac has finished starting up, choose Reinstall OS X from the OS X Utilities menu, then click Continue.
- Follow the instructions that appear until you finish the process.
Once you have your Mac up and running again, install an optimizer app to keep it healthy. Cleaner Onecan help prevent this problem from recurring by thoroughly cleaning junk files, removing duplicates, and highlighting large files. It also includes features like App Manager and Deep Uninstall to help remove unwanted apps completely. Cleaner One Pro even lets you monitor the performance of your Mac so you can discover any future problems before they become serious.
White Lines Mac OS