If your screen goes black, and then comes back on when you press a key or click the mouse or trackpad button, your Mac or display has gone to sleep. To save energy, your Mac and display go to sleep automatically when they’re not in use. You can set your Mac and display to sleep at different times.

Similarly, What causes black screen on MacBook Air?

Power issues: MacBook can boot into a black screen if there is not enough or rated power. Poor contact between hardware and firmware: the contacts between hardware and firmware are damaged, loose, or dusty, the computer won’t start up normally. Cables not connected. Third-party apps that expand the screen.

Additionally, What do you do when your Mac screen goes black? Hold down the Shift+Control+Option+Power buttons for a few seconds, all at once. Release them all at the same time and power the Mac back on to see if the black display is fixed.

How do I troubleshoot the black screen of death?


Repair a Black Screen of Death in Safe Mode

  1. Click Advanced options then Troubleshoot.
  2. From here go to Advanced options > Startup Settings > Restart.
  3. Select option 4, Enable Safe Mode.
  4. Wait for Windows Safe Mode to start.
  5. Once booted, press Windows + X.
  6. In the Quick Link menu select Device Manager.

Why does my Mac screen keep going dark?

Now if you have a MacBook Pro or MacBook Air and your screen is still dimming, it is because of the ambient light sensor. You can prevent the auto-dimming by turning off automatic adjustments: … Unselect the checkbox next to “Automatically adjust brightness as ambient light changes” Close System Preferences.

How do I stop my Mac screen from going black 2021?

Click and hold on the slider next to “Display sleep” and drag it to the right to increase the amount of time before the display goes to sleep. You can set it anywhere from 1 minute to 3 hours or “Never.”

How do I stop my Mac screen from going black?

The first way to stop your Mac from going to sleep by itself is obviously to turn off auto display-sleep in the system preferences. To do this open the system preferences, click on the “Energy saver” panel and drag the “Display sleep” slider all the way across to “never” (on the right-hand side).

Why is my MacBook Pro screen not turning on?

Press and hold the power button for about 10 seconds. Press and release the power button, then immediately press and hold Command (⌘)-R until you see an Apple logo or other image. If you still see a blank screen after about 20 seconds, contact Apple Support.

Why does my screen keep going black?

The main reason that your monitor is going black for a few seconds is that there’s a problem with the cables connecting it to your computer. … It could just be an issue with the ports on your monitor, and it might work if you plug your cable into a different connection port.

What to do if your computer turns on but the screen is black?

Fix 1: Force restart your computer

If all you see is a black screen after pressing the power button, try pressing the power button for 10 seconds to force shut down your PC, then turn it on. Doing this repeatedly for three times, the Windows Startup repair should launch automatically.

How do I fix my computer when the screen is black?


Troubleshoot black screen using clean boot

  1. Open Start.
  2. Search for msconfig and click the top result to open the System Configuration app.
  3. Click the Services tab.
  4. Check the Hide all Microsoft services option.
  5. Check one of the services. …
  6. Click the Apply button.
  7. Click the OK button.
  8. Restart the computer.

How do I start my computer with a black screen?

At your sign in screen when you fire up your PC, hold down your Shift key and click the power button at the bottom right of your screen, then select restart. If you can’t see anything because your screen is already black, then press the power button and reboot your machine again.

How do I stop my Mac from auto dimming?


Disable Auto-Brightness in macOS

  1. Click on the Apple Menu at the upper-left corner of your screen and choose System Preferences.
  2. Choose the Displays pane.
  3. Under the Display tab there, deselect the Automatically adjust brightness option.

How do I stop my Mac from changing brightness?


To stop your MacBook from automatically adjusting the screen brightness level:

  1. Click the Apple icon in the upper-left corner of your screen.
  2. Select System Preferences.
  3. Click Displays.
  4. Uncheck “Automatically adjust brightness.”

Why does my Mac screen suddenly go black?

Why Does My Mac Go Black? 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.

How do I stop my Mac screen from timing out?


Specify sleep and wake settings for a Mac desktop computer

  1. On your Mac, choose Apple menu > System Preferences, then click Energy Saver . Open Energy Saver preferences for me.
  2. Do any of the following: Set your Mac to go to sleep and wake up at a specific time: Click Schedule, then select the options you want to use.

How do I stop my Macbook screen from going black 2021?

Step 1: Switch off your mac and plug in the charger. Step 2: Press down the Shift + Control + Option + Power keys at once for 5 seconds. Step 3: Free all the button keys. Step 4: Your Mac should now restart without the dark screen.

How do I keep my Mac screen awake?


How to use Energy Saver preferences to keep your Mac from sleeping

  1. Click on Energy Saver. …
  2. Toggle between the Battery and Power Adapter settings and slide the “Turn display off after” bar to your desired setting. …
  3. Select “Put hard disks to sleep when possible.”

What is the cause of the black screen of death?

The notorious black screen of death (BSOD) can occur for a variety of reasons including overheating, update issues, a power supply issue and software or driver errors. Fortunately, you can repair it in most cases. If it happens more frequently, then you might have a hardware issue and should take it into a repair shop.

Why is my laptop screen not turning on?

One of the main causes for this issue is a corrupt system file preventing the operating system from loading, resulting in the black or blank screen. Restart Windows to see if it’s a temporary issue and resolves itself with a reboot. If the problem persists, erase your hard drive and reinstall Windows.

Why does my phone screen randomly go black?

When your phone screen goes black randomly, it may be an indication that something is wrong with your operating system. In that case, a factory reset is often beneficial. … The process is more involved than that of a hard reset but can still be done with moderate ease.

Why does my screen go black randomly laptop?

It may well be the display is starting to go, the cable that connects the display is loose, getting pinched, etc., or the GPU is starting to go. If it is under warranty, contact the manufacturer. If it isn’t, first I would try turning it off, connect an external display and turn it on.

Why does my phone screen keep blacking out?

A black screen is usually caused by a hardware problem with your iPhone, so there usually isn’t a quick fix. That being said, a software crash can cause your iPhone display to freeze and turn black, so let’s try a hard reset to see if that’s what’s going on. … If the Apple logo doesn’t appear on the screen, keep reading.