The first thing you should do if you see a white screen on your Mac is unplug everything from it except the power source, then power your Mac down. Wait a few moments, then reboot your Mac. If it boots normally, you know it was a peripheral device or drive causing issues.
Correspondingly, how do you reset a white screen on a MacBook Air?
- Shut down your MacBook.
- Connect the power adapter to the Mac.
- On the keyboard, hold down the Shift + Control + Option keys AND the power button at the same time.
- Release all keys and the power button simultaneously.
- Boot the Mac as usual.
Beside above, how do you fix a blank screen on a Mac? 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.
Likewise, why is my MacBook screen white with lines? Try using an external display In case the lines appear on the external display, it means that the issue is caused by your graphics card. … If lines appear on your MacBook screen, the issue is most likely related to your hardware, so it would be best to contact Apple’s repair center.
Also the question is, how do I reset my MacBook air screen?
- Start up your Mac in safe mode.
- After your Mac starts up, choose Apple menu > System Preferences, click Displays, then click Display.
- For the Resolution option, select “Default for display.”
The white screen of death most often refers to an Apple iPod or iPhone that has locked up due to the device being severely dropped, a hardware component failing, or an attempted operating system or application upgrade that fails to successfully update.
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How do I fix a Mac startup problem?
Hold down all of these keys: Command, Option (Alt), P and R, and turn on the Mac (it’s the same keys to reset the PRAM). Keep holding the keys down until you hear the Mac restart again. Listen for a second reboot, and then release the keys.
How do you force restart a Mac laptop?
How to Force Restart Your Mac. Press and hold down the Command (⌘) and Control (Ctrl) keys along with the power button (or the Touch ID / Eject button, depending on the Mac model) until the screen goes blank and the machine restarts.
How do I turn on a Mac 2020?
How do I stop my MacBook air 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).
How do I fix lines on my computer screen?
- Turn the monitor off and on again.
- Check the cables.
- Adjust the resolution and try a different source.
- Calibrate your screen.
- Adjust the refresh rate.
- Update the video card driver.
How do I fix vertical lines on my MacBook?
Turn on computer. Hold Command (⌘)-Option-P-R before the gray screen appears. Hold down these keys until the computer restarts, and then hear the startup sound a second time. Release these keys.
How do I fix horizontal lines on my laptop?
1) Right-click on the empty area of your desktop and click Display settings. 2) In Resolution, click the drop-down menu and make sure the recommended resolution is selected. Then see if the horizontal lines disappear.
Why is my Mac not recognizing my monitor?
If you have an Apple adapter and your external display isn’t working, try the following: … Go to System Preferences > Display and try selecting a different resolution. If that still doesn’t work, try restarting your Mac in safe mode and then reset the display resolution to defaults.
How do you reset System Preferences on a Mac?
Click the Apple menu icon () and then select Restart. As the Mac restarts, hold down the Command and R keys until the Mac OS X Utilities window appears. Select Disk Utility, and then click Continue. Select your startup disk on the left side of the screen, and then click Erase.
How do you reset the PRAM on a Mac?
Shut down your Mac, then turn it on and immediately press and hold these four keys together: Option, Command, P, and R. You can release the keys after about 20 seconds, during which your Mac might appear to restart.
How do I get rid of the white screen of death?
- Force-restart your system.
- Remove any peripherals that are plugged in through an USB connection.
- Go into Safe Mode.
- Update graphic drivers.
- Apply Windows updates.
- Remove a buggy Windows update.
- Use Windows System Restore Point.
- Run some hardware tests.
