As explained before, choices you make via the Startup Disk pane will stick until you choose another one in System Preferences or temporarily override these defaults at boot time in Startup Manager. Full tutorial: how to choose a startup disk using System Preferences. This how-to shows you the steps using Disk Utility 13 in OS X 10.10 Yosemite, but the process is the same if you’re using OS X 10.9 Mavericks or 10.8 Mountain Lion.

Startup 9.2.1 repairs problems that may occur when Mac OS 9.1 and Mac OS X are on the same partition and a version earlier than Startup 9.2 has been used. The Utilities folder on the Mac OS X CD contains Startup Disk version 9.2, the control panel you use to select the startup disk for your computer. You need to use this version of Startup Disk to select a Mac OS X disk as your startup disk. Important If you start Classic after installing Mac OS X, Classic installs this version of Startup Disk in the Mac OS 9.1 System Folder it uses.

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From the Apple menu, and then choose Startup Disk. Choose your startup volume and then restart. Unlike with the other options in this list, this new volume will be the default until you change it. • Accessing the startup manager: Restart your computer and immediately press the Option key. Icons for all available startup volumes will appear. Use your arrow keys to select the one you want to boot from, and then press Return.

Verbose Mode There’s a whole lot going on when your Mac boots, but Apple, always concerned about design and user experience, hides the details behind the familiar light gray boot screen. This makes booting your Mac a simple and pleasant experience, but can also hamper troubleshooting efforts. To see what’s really happening during your Mac’s boot process, you’ll want to enable Verbose Mode, which lets you see the messy details during boot in order to identify any drivers, kernel extensions, or other issues that are causing your Mac grief. To use Verbose Mode, reboot your Mac and press and hold the Command and V keys simultaneously as soon as you hear the Mac startup chime. You’ll soon see quickly moving rows of text instead of the gray boot screen, and you or a tech support rep will be able to see exactly what is causing the issue you’re attempting to troubleshoot. Review of outlook for mac.

• Booting from a different device. This can be another drive that has a bootable system on it, or your OS X Install DVD, which also contains the tools, or the which is a special partition on your startup drive that has been present since OS X Lion and later. This is a special booting method that forces your Mac to perform an automatic disk check and repair as it tries to start up.

Reset PRAM/NVRAM This is a bug in the eye as resetting PRAM or NVRAM (refers to unique memory sections that store data which persists even after a shut-off session) and SMC will cause you some troubles. Wd black passport for mac review. Reset option will take your Mac’s hardware back to the golden days that is, to its default settings. But, it could be worth it. • Disconnect peripherals except for keyboard and mouse. Reset PRAM/NVRAM. • Restart your Mac.

At the bottom of the window, you’ll see some information about the drive you have selected. Look at the Partition Map Scheme entry. If it says GUID Partition Table, you can format the drive by selecting Mac OS X Extended (Journaled) in the Format pop-up menu, giving the drive a name, and then clicking Erase. (Remember: This erases everything on the drive!) You can now skip directly to Step 8. If the Partition Map Scheme says Master Boot Record or Apple Partition Map, you need to continue to step 5.

Go ahead and click the Download button to start downloading the installer. Note that if you already have that version of OS X installed, you’ll see a popup message appear asking if you still want to continue or not. Just click Continue. Once it has been downloaded, just double-click the installer, which will be located in the Applications folder. Keep clicking past the license agreement, etc., until you get to the screen that asks you which disk to install OS X on. By default, it is set to MacBook.