WHAT IS DISK UTILITY ON MY MAC MAC OS X

At the installation screen, select Disk Utility from the Utilities menu and then use the Repair DiskВ option from there.

WHAT IS DISK UTILITY ON MY MAC MAC OS X

When your Mac restarts, select Mac OS X to boot from the DVD (unless you pressed C in the previous step) or choose the Lion Recovery HD.

RestartВ your computer and hold down the OPTIONВ key when you hear the chime (or just press C to automatically boot from the DVD drive).

Note: Repair Disk cannot repair any disks that you have already booted fromВ so you will need to restart from another bootable drive, or the Mac OS installation disk, or the Lion recovery HD. Use Disk Utility to check your MacвЂ™s HD status and make any necessary repairs Disk Utility canвЂ™t fix any hardware problems with your disk, but thereвЂ™s a good chance that data integrity and filesystem issues can be easily resolved. In case any issues are seen, select Repair DiskВ to attempt to fix them. Your diskвЂ™s status and any problems encountered will be displayed in the main window. ItвЂ™s recommended that you check this status quite regularly because a failing disk will need to be replaced quickly.ДЈ. StatusВ area which indicates whether the disk has passed the power on tests.

The most important item to check initially is the S.M.A.R.T. In the left-hand side panel, select your main hard disk as shown below Open Disk Utility from the Applications -> Utilities folder or within SpotlightДў.

To check your drive with the built-in tool, follow the steps below.ДЎ. The quickest way to check whether your disk is functioning correctly is to use the MacвЂ™s Disk Utility, but there are also a couple of third-party apps such as Drive Genius 3 Disk Utility

What is disk utility on my mac