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- #How to start disk utility on mac during start up how to
- #How to start disk utility on mac during start up drivers
- #How to start disk utility on mac during start up tv
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You’ll see the terminal messages appear during the startup process. Press Command+V as your Mac boots to enter verbose mode. If your Mac is freezing, especially during the boot process, the messages here can help you identify and get help with the problem. In verbose mode, you’ll see normally hidden messages appear on your screen. See More Detailed Information with Verbose Mode To leave this mode, type reboot at the prompt and press Enter. Press Command+S as your Mac boots to enter single-user mode. This works like Linux’s single-user mode-rather than getting multi-user operating system, you boot directly to a root shell. In single-user mode, you’ll be presented with a text-mode terminal you can use to enter commands you might need to troubleshoot problems. Troubleshoot from the Command Line with Single-User Mode To leave Safe Mode, just reboot your Mac without holding the Shift key. You can stop holding the Shift key when you see an Apple logo and progress bar. To load your Mac in Safe Mode, press and hold the Shift key while it boots.
#How to start disk utility on mac during start up drivers
It’s like Safe Mode on Windows-it won’t load third-party hardware drivers or startup programs, so you can use this mode to fix problems if your Mac isn’t working or booting properly. When you boot in Safe Mode, your Mac will check its startup volume, only load necessary kernel extensions, and disable third-party fonts and startup options. Macs offer a Safe Mode, also known as Safe Boot.
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Select your language and your Mac will automatically test its hardware and inform you if anything is wrong. It works well when troubleshooting problems with your Mac, especially if you can’t boot from the primary hard drive to access System Preferences.To access this tool, press and hold the D key while booting your Mac.
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This is an easy way to select a startup disk before your Mac turns on. Your Mac will boot from the startup disk you selected. Click the arrow directly below the drive.Select the disk you want to use as a startup disk.A screen displaying all of the available startup disks appears. Immediately press and hold down the Option key.Press the power button to turn on your Mac.Connect the drive you want to use as a startup disk to your Mac.There’s also a way to select a startup disk immediately after you turn on your Mac. To change your startup disk back to the primary disk, repeat the instructions and select the primary disk as the startup disk. Select the hard disk or partition you want to use as the startup disk.Ĭlick Restart to restart your computer and boot from the selected startup disk.
#How to start disk utility on mac during start up how to
Here’s how to change your Mac’s startup disk:Ĭonnect the drive you want to use as a startup disk to your computer.įrom the Apple menu, select System Preferences. Changing Your Mac’s Startup Disk with System Preferences Normally, the startup disk is set as the hard disk inside of your Mac, but you can use an external hard drive, USB thumb drive, or DVD as your startup disk. When your Mac turns on, it loads the operating system on the designated startup disk, a hard disk or partition containing the macOS operating system.
#How to start disk utility on mac during start up tv
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