Apple Mac Pro (Mid 2010) - Manual (Page 88)

88 Chapter 4 Problem, Meet Solution
To open the Mac OS X Utilities application:
m Restart your computer while holding down the Command key (x) and R key.
Some utilities in the Mac OS X Utilities pane require access to the Internet and the
Mac App Store. You may need to make sure your computer is connected to the
Internet via your Ethernet or Wi-Fi network.
To connect via a Wi-Fi network:
1 Choose a network from the Wi-Fi status menu in the upper-right corner of the screen.
2 If necessary, type the network password.
To join a closed network, choose Join Other Network. Enter the network’s name
and password.
Repairing a Disk with Disk Utility
If you have a problem with your computer, or if you start your computer and see the
Mac OS X Utilities pane, you may need to repair your computer’s disk.
1 Select Disk Utility in the Mac OS X Utilities pane and click Continue.
2 Select the disk or partition in the list on the left, and then click the First Aid tab.
3 Click Repair Disk.
If Disk Utility can’t repair the disk, back up as much of your information as possible,
and then follow the instructions in “Reinstalling Mac OS X and Apple Applications” on
page 89.
For information about Disk Utility and its options, see Help Center, or open Disk Utility
(in the Utilities folder in Launchpad) and choose Help > Disk Utility Help.