What to do when your Mac is on but the screen is black?
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 is my DVD player not working on my Mac?
DVD not be recognized/read usually happens when you insert DVD disc improperly, have a damaged disc or DVD drive, or your DVD drive driver goes outdated. For that, you can repair or buy a new DVD drive, or reset NVRAM (or PRAM) via press and hold the Command-Option-P-R keys to shut down your computer and turn on later.
How do I get my DVD player to work on my Mac?
Click the little Spotlight icon in the upper right corner of your Mac’s screen. Search for DVD Player, and the app’s icon will appear at the top of the Top Hits. Double click on the icon and the app will launch. Once launched you can open a DVD by going to File > Open DVD Player.
How do I force my Mac to turn off black screen?
Try a Simple Keyboard Sequence If your Mac is on yet the screen stays dark, have a go at pressing the power button once, then press the S key. That is the easy route key to take care of the Mac. Then, hold down the power key until the Mac turns itself off. Stand by 15 seconds and plug it back on.
What do you do when a DVD won’t play?
Use a soft cloth to clean the disc ; the disc may have fingerprints or smudges. Examine the disc for any cracks or scratches that might be interfering with playback. Make sure the disc playback is not restricted by parental control options. Make sure the DVD disc is compatible with the player.
What causes black screen on Mac?
Your computer or display may have 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. Because the display wakes up faster than the rest of the Mac, you should set it to go to sleep before the Mac.