Display resolution is the amount of dots making up your screen. It's represented by the number of horizontal dots multiplied by the number of vertical dots on your screen. The higher the numbers, the smaller everything will be on your screen, and the other way around. Depending on your Mac. Everything looks better on a Retina display, with its one billion colors and 500 nits of brightness. Photos and graphics leap off the screen. You will see a status bar as the computer boots, after which the words Safe Boot appear in red in the upper right corner of OS X’s login screen. In Safe mode, the Mac unleashes a series of troubleshooting steps designed to return the computer to good health. If Safe Boot resolved the issue, restart the Mac.

1. Mac Computer Screen Frozen
2. Mac Computer Screen
3. Apple Computer Screens

You know that frustrating, annoying, sometimes panicked feeling you get when your Mac isn’t doing what you expect? If an application freezes or your computer is generally misbehaving, try these tips to escape with minimal disruption.

• Use Force Quit when an application is unresponsive. Choose Force Quit from the Apple menu or press Command+Option+Esc keys. Click the name of the deviant application (it probably has not responding Best file unzipper mac. next to its name). You typically won’t have to reboot.

• Restart. If Force Quit doesn’t bail you out, try rebooting the computer. If a frozen Mac prevents you from clicking the Restart command on the Apple menu, hold down the power button for several seconds or press the Control+Command keys and then press the power button. If all else fails, pull the plug, but remember that powering down without logging out should be used only as a last resort.

• Restart in Safe Mode. Press the power button to turn on your computer, and then press and hold the Shift key the instant you hear the welcome chime. Release Shift when the Apple logo appears. You will see a status bar as the computer boots, after which the words Safe Boot appear in red in the upper right corner of OS X’s login screen. In Safe mode, the Mac unleashes a series of troubleshooting steps designed to return the computer to good health. If Safe Boot resolved the issue, restart the Mac normally the next time.

Try to start up from macOS Recovery

If your Mac seems to be turned on but nothing appears on your display, determine whether you're using a Mac with Apple silicon, then follow the appropriate steps:

Apple silicon

1. Press and hold the power button for about 10 seconds.
2. You should see the startup options window, which includes a gear icon labeled Options. Select Options, then click Continue.
3. If you never see the startup options window, release the power button, then press and hold it again for another 10 seconds. If the issue persists, please contact Apple Support.

Intel processor

Mac Computer Screen Frozen

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

Use Disk Utility to repair your startup disk

If your Mac successfully started up from macOS Recovery, you should see a utilities window that includes Disk Utility. Use Disk Utility to repair your startup disk.

If Disk Utility found no errors, reinstall macOS.

If Disk Utility found errors and repaired them, restart your Mac. If the issue returns after restarting, reinstall macOS.

Mac Computer Screen

Apple Computer Screens

If you still need help, please contact Apple Support.