Apple MD770LL/A Benutzerhandbuch
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Chapter 4
Problem, Meet Solution
6
In the Mac OS X Utilities pane, select Reinstall Mac OS X and click Continue.
7
To reinstall Mac OS X and Apple applications, follow the instructions in the
Mac OS X Installer.
Mac OS X Installer.
After restoring Mac OS X and Apple applications, you can selectively restore your other
data and applications from a Time Machine backup.
data and applications from a Time Machine backup.
Checking for a Hardware Problem
If you suspect a hardware problem, use the Apple Hardware Test application to help
determine if there’s a problem with one of the Mac Pro components.
determine if there’s a problem with one of the Mac Pro components.
To use Apple Hardware Test:
1
Disconnect all external devices from your Mac Pro, except the display, keyboard,
and mouse.
If you have an Ethernet cable connected, disconnect it.
and mouse.
If you have an Ethernet cable connected, disconnect it.
2
Restart your Mac Pro while holding down the D key.
3
When the Apple Hardware Test chooser screen appears, select the language you
want to use.
want to use.
4
Press the Return key or click the right arrow button.
5
When the Apple Hardware Test main screen appears (after about 45 seconds), follow
the onscreen instructions.
the onscreen instructions.
6
If Apple Hardware Test detects a problem, it displays an error code. Make a note of the
error code before pursuing support options. If Apple Hardware Test doesn’t detect a
hardware failure, the problem may be software related.
error code before pursuing support options. If Apple Hardware Test doesn’t detect a
hardware failure, the problem may be software related.