Then, click the Startup Disk icon in the System Preferences window.ĥ.Select your normal startup volume (such as Macintosh HD) from the list of drives that appear in the Startup Disk window.Ĭ) If your installation of OS X needs repairIf 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.ġ.If you only see a disk named "Recovery HD" in Startup Manager, select it instead. Then, hold down the Option key on your keyboard until the Startup Manager appears.ģ.Select your startup disk from the list of drives that appear on screen.Ĥ.If your computer finishes starting up normally, choose System Preferences from the Apple menu. If your computer still does not start up, try the next set of steps to help your computer find its system software.ġ.Turn off your Mac by pressing and holding its power button for a few seconds.Ģ.Press the power button once to turn your Mac back on. Normally start your computer from an external drive (Thunderbolt, FireWire or USB) make sure the drive is connected and powered on.
You can select a startup disk in System Preferences to resolve this.ġ.Choose System Preferences from the Apple menuĢ.Click the Startup Disk icon in the System Preferences windowģ.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.ī) If your Mac doesn't get past the flashing question markIf 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 you see a flashing question mark or a flashing globe appear when you start your Mac, it usually means that your Mac can't find the system software it needs to start up.Ī) If a flashing question mark appears for just a few secondsIf 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.
0 kommentar(er)
