Mac Pro Server - Checking for a Hardware Problem

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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.

To use Apple Hardware Test:


Disconnect all external devices from your Mac Pro, except the display, keyboard
and mouse.
If you have an Ethernet cable connected, disconnect it.


Restart your Mac Pro while holding down the D key.


When the Apple Hardware Test chooser screen appears, select the language you
want to use.


Press the Return key or click the right arrow button.


When the Apple Hardware Test main screen appears (after about 45 seconds), follow
the onscreen instructions.


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.

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Chapter 4

Problem, Meet Solution