Apple MA601D/A User Guide - Page 56

Using Apple Hardware Test

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Using Apple Hardware Test If you suspect a problem with the MacBook Pro hardware, you can use the Apple Hardware Test application to help determine if there is a problem with one of the computer's components, such as the memory or processor. To use Apple Hardware Test: 1 Disconnect all external devices from your computer except the power adapter. If you have an Ethernet cable connected, disconnect it. 2 Restart your MacBook Pro while holding down the D key. 3 When the Apple Hardware Test chooser screen appears, select the language you 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. 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. If this procedure doesn't work, you can use Apple Hardware Test from the Applications Install DVD that came with your computer. For more information, see the Apple Hardware Test Read Me file on the Applications Install DVD. 56 Chapter 4 Problem, Meet Solution

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56
Chapter 4
Problem, Meet Solution
Using Apple Hardware Test
If you suspect a problem with the MacBook Pro hardware, you can use the Apple
Hardware Test application to help determine if there is a problem with one of the
computer’s components, such as the memory or processor.
To use Apple Hardware Test:
1
Disconnect all external devices from your computer except the power adapter.
If you have an Ethernet cable connected, disconnect it.
2
Restart your MacBook Pro while holding down the D key.
3
When the Apple Hardware Test chooser screen appears, select the language you 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.
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.
If this procedure doesn’t work, you can use Apple Hardware Test from the
Applications
Install DVD
that came with your computer
.
For more information, see the Apple
Hardware Test Read Me file on the
Applications Install DVD.