2021. 5. 6. 04:43ㆍ카테고리 없음
Today we'll discuss the issue of black screen on Mac and tell you the reasons and relative solutions. When you try to wake the Mac from sleep, the iMac/MacBook screen goes black and unresponsive. Even worse, the Mac screen goes black randomly and ruins the files that you was working on. If your MacBook Pro/Air, iMac is stuck in black screen and doesn't respond, check out these solutions.
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Why Does My Mac Go Black?
Aug 06, 2018 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. Google Chrome black screen Windows 8, 7, after minimize, on startup, crash – According to users, Chrome issues can occur on any version of Windows, and Windows 8 and 7 aren’t exceptions. Almost all of our solutions are compatible with older versions of Windows, so be sure to try them out. The screen capture shortcut on the Mac is one of the most useful tools I know. It grabs the screen and neatly places a.png file onto your desktop. But is this the highest quality screen capture you can get? Is it possible to get a higher resolution screen capture? Dec 09, 2017 Turn off your Mac. Remove the battery. Hold down the power button for 5 seconds. Replace the battery. Turn on your Mac. Turn off your Mac. Restart your Mac while holding down the Shift key. When you see the login window, let go of the Shift key. Restart your Mac and see if the problem is resolved. Single-User Mode. Turn off the computer. Aug 05, 2019 Like I said, one of the causes for black screen is due to broken disk permissions. Fortunately, it’s easy to diagnose and fix. All you need is run CleanMyMac on your Mac. Open the app, go to Maintenance Repair Disk Permissions, click “Run” and you’re all set. Nov 22, 2017 After installing Windows 10, my Google Chrome comes up totally black. What's that about? The issue can be because first time you run chrome you have to run it with administrative privilege. I think it creates some temp files. So right click and say run with administrative privilege. Other setting may be disable gpu setting. Your Mac's Screen. Undoubtedly, the cost to fix your Mac screen is not going to be cheap. Out of all the hardware your screen the most expensive part, being one of the main reasons Apple can sell their Mac Mini's for such a reduced rate. Screens cost a lot, yes. But, please be reassured that a repair from Apple is not the only option you have.
The possible reasons why Mac screen goes black could be listed as follows:
1. Battery Drain
Running out of battery is one of the most common reasons why your Mac screen goes blank. Even if your Mac is plugged in, a bad battery or a faulty cable can stop your Mac from charging and thus the Mac showsss black screen and becomes unresponsive. So the first thing you should do is to check the Mac’s battery and charging cables.
2. Display Issue
In most cases, the Macbook or iMac goes black on startup. However, the activity indicator, fan or bootup noises still work which indicates your computer has turned on. So it seems like a problem on the Mac screen.
3. Incorrect Disk Permissions
The permissions on Mac control users and system processes's access to the files. If disk permissions are incorrect, it could also make your Mac go black screen or unable to boot up.
4. Login Items
Some login items in auto startup list stop your MacBook from booting up normally.
5. Bugs in An App
A bug or a glitch in apps, especially third-party apps, could cause the blank screen. If the Mac black screen of death happens when you are using an third-party apps or you recently install a new app, the problem may be caused by the app.
5. macOS Operating System
The upgraded operating system might produce compatibility issue which might sometimes result in the black screen. Also, there are known bugs in macOS that could cause black screen of death.
We have talked about the reason of black screen. Next we would like to show you a couple of methods to fix the black screen issues on MacBook/iMac.
How to Fix Mac in Black Screen
Method 1: Check Mac's Battery
You could check things as follow:
Check if your charger cable is undamaged and still connected.
Check if the indicator light is on.
Check if your Mac produces any noise from the fans or drive.
If the indicator light is off and there is no noise, your Mac probably runs out of battery. Keep your Mac plugged in and charge. When the Mac can boots up normally, check your battery cycles to see if it needs to be replaced. You could do this by following steps here.
STEP 1: Go to Apple Menu on the top left.
STEP 2: Navigate to About this Mac>System Report>Power.
STEP 3: Check the items: cycle count and condition for your battery. If the condition is poor or bad, You’d better purchase a new battery.
If you have ruled out all the things above,then move to next method for help.
Method 2: Restart Your Mac
In most of the cases,restarting your Mac might help fix the problems. If your MacBook is in black screen, try to open and close the lid and press any key on the keyboard or touch the trackpad first. If the MacBook screen still won't light up, you could try to force restart your MacBook.
OPTION 1: Long press Power button for around 6 seconds, then wait for 15 seconds till Mac shuts down and press the Power button again.
OPTION 2: Press Control+Eject keys and if a dialog box shows, press Enter to shut down your Mac. Then press power button to restart it.
OPTION 3: Press Control+Command+Eject to force restart your Mac.
Method 3: Restart Your Mac with Spceical Keys
Some users found out a specific key sequence can get your Mac out of black screen of death quickly . Here are what you have to do:
STEP 1: Press power button once which will normally show you a shut down dialog box, however, you won't see it as you screen is black.
STEP 2: Press S key, which will put your Mac to sleep. Then long press the power button for 6 seconds.
STEP 3: Wait for 15 seconds and press power button to restart it. Your Mac screen will light up and start up normally.
Method 4: Reset the NVRAM/PRAM
If the Mac is still unresponsive and shows black screen or the Macbook Pro/Air screen goes black intermittently, you need to reset the NVRAM/PRAM to see if it works.
STEP 1: Hold power button for 6 seconds to shut down your Mac.
STEP 2: Press power button. Followed closely by holding down Command+Option+P+R.
STEP 3: Release the keys if you see Apple logo screen or hear other startup chimes.
To learn more about resetting NVRAM/PRAM, please read Full Guide to Reset the PRAM & SMC on Your Mac.
Method 5: Disable Suspicious Login Items
Some apps would launch automatically on startup without your consent. Here, we could identify such startup apps by running MacMaster. FonePaw MacMaster is a multifunctional tool to manage apps and data on Mac. One of its feature is to check all of the built-in as well as the third-party extensions, plugins, apps on your Mac, and then enable or disable them in one single click. Let’s see the guide of disabling suspicious login items:
STEP 1: Download and install MacMaster on your computer.
STEP 2: Go to Extensions on the left and click Scan to scan extensions on Mac.
STEP 3: After scanning, choose Login and find the apps that start at login without your permission.
STEP 4: Click the circle button beside the information of the app. If the circle turns gray, it means that the app has been successfully disabled.
Method 6: Reinstall the macOS
Black screen of death on MacBook could be associated with software issues. For this reason, we need to update all apps to their latest versions including the macOS.
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However,before you update macOS,you need to make reparation as listed below:
Backup your Mac. You could use Time Machine to backup your Mac. iCloud or USB would be also choices to backup your Mac.
Check up the generation of your Mac or MacBook to rule out compatibility issue.
Free up storage space on your Mac. You could try to store data in iCloud, optimize storage,empty trash or reduce clutter to achieve the goal.
Having done all the things above, you can download the latest version macOS Catalina, Mojave, High Sierra from the Mac App Store to reintsall the operating system. You can also clean install macOS from a bootable drive. If you have any data loss after reinstalling macOS on the computer, you can use FonePaw Data Recovery to recover photos, files, music and more.
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Yesterday I wanted to upgrade my Mac to the newest macOS, macOS Sierra. After the update, my Mac restarted, however, the computer booted to a black screen. The dark screen had an active white cursor. This article explains how I fixed this problem.
I was investigating this issue and I realized that many users were having this problem. Some of our readers stated that they experienced this issue with their Macs unexpectedly. Some users have also stated that they found their Mac like this in the morning after waking the computer from sleep or standby mode.
So it seems that even though my Mac went into a black screen after an upgrade that fails to successfully update; however it also looks like the Mac computers may stop working unexpectedly and display only a black screen.
Black Screen Fix
Please try each step until you resolve this issue:
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First thing, you may want to back up your Mac.
- Even though, your screen is completely black and you can’t see anything, but still enter your password (or try entering your pass) then press enter. This may fix the problem. Entering my password is how I fixed this issue.
- Reset NVRAM (Non-Volatile Random-Access Memory), here is how:
- Steps are slightly different. If you own a a late-2016 MacBook Pro:
- Hold the power button until the Mac powers off
- Turn on your Mac and press and hold the Command-Option-P-R keys together as soon as you turn on the Mac
- Keep holding the keys for at least 20 seconds
- Then release the keys
- Other Mac models:
- Turn off your Mac
- Power on your Mac and as soon as you hear the boot chime, press and hold the Command-Option-P-R keys
- Once you hear the boot sound again, release the keys
- Steps are slightly different. If you own a a late-2016 MacBook Pro:
- Reset SMC (System Management Controller). Apple’s web site explains this nicely.
- Load your Mac in Safe Mode. Here is how:
- Shut down your Mac
- Start your Mac and press and hold the Shift key while it boots
- Release the Shift ket when the login window appears
- Then try restarting your Mac without pressing any keys.
- If you are still having the issue, then try the steps below:
- Start your Mac in single-user mode by following these steps:
- Turn off your Mac
- Press and hold the Command + S keys while turning on the Mac
- Now you are in single user mode. Now we will enter various commands. You have to enter them exactly as shown below (pay attention to the spaces):
- Now run a disk check by typing: /sbin/fsck -fy and press Return
- Then enter: /sbin/mount -uw / and press Return
- Enter rm /Library/Preferences/com.apple.loginwindow.plist and press Return
- Enter rm /Library/Preferences/loginwindow.plist and press Return
- Enter rm /private/var/db/.AppleUpgrade and press Return
- Now exit single-user mode by typing reboot then press Return
- Start your Mac in single-user mode by following these steps:
Hopefully, one of the solutions above will help you. Apple manufacture great computers. I never had any major problems with Mac computers. And troubleshooting a Mac is usually very simple.
Also see: Mac White Screen? and iPhone Black Screen