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How to stop imac spinning wheel non responsive terminal mac#

If none of these steps resolve the issue, start from OS X Recovery and reinstall OS X.

After repairing the disk, try to start up normally.

Click Repair Disk to verify and repair any issues with your OS X startup disk.

In the Disk Utility window that appears, select your startup disk (usually named "Macintosh HD") from the left side of the Disk Utility window.

From the Utilities menu, choose Disk Utility.

You can also start from OS X Recovery by holding down Command and R on the keyboard at startup.

If you only see a disk named "Recovery HD" in Startup Manager, select it instead.

If you don't see your startup disk displayed in Startup Manager, or if you see a prohibitory symbol (⊘) appear, your startup drive may need directory repair, or OS X may need to be reinstalled. If your installation of OS X needs repair

Select your normal startup volume (such as Macintosh HD) from the list of drives that appear in the Startup Disk window.

Then, click the Startup Disk icon in the System Preferences window.

If your computer finishes starting up normally, choose System Preferences from the Apple menu.

Select your startup disk from the list of drives that appear on screen.Then, hold down the Option key on your keyboard until the Startup Manager appears.

How to stop imac spinning wheel non responsive terminal mac#

Press the power button once to turn your Mac back on.Turn off your Mac by pressing and holding its power button for a few seconds.If your computer still does not start up, try the next set of steps to help your computer find its system software. If you normally start your computer from an external drive (Thunderbolt, FireWire or USB) make sure the drive is connected and powered on. If your Mac starts up to a gray screen (with no flashing question mark) or a flashing question mark or flashing globe, give the computer a few more moments to locate its system software. If your Mac doesn't get past the flashing question mark Click the icon of the disk you normally use to start up your computer (by default this is named "Macintosh HD") so that it is highlighted.Click the Startup Disk icon in the System Preferences window.Choose System Preferences from the Apple menu.You can select a startup disk in System Preferences to resolve this. If your computer starts up normally after showing a flashing question mark or flashing globe for just a few moments, you may need to reselect the startup disk in Startup Disk preferences. If a flashing question mark appears for just a few seconds