Apple iMac computer Manuel d'utilisateur télécharger pdf (Page 87)

Chapter 5 Troubleshooting 87

Using Apple Hardware Test

You can use Apple Hardware Test to help determine if there is a problem with your

iMac computer’s hardware.

To use Apple Hardware Test:

1 Disconnect all external devices from your iMac except the keyboard and mouse.

If you have an Ethernet cable connected, disconnect it.

2 Insert the Mac OS X Install Disc 1 that came with your iMac.

3 Restart your iMac and hold down the “D” key as it starts up.

4 Select the language appropriate for your location when the Apple Hardware Test

language chooser screen appears.

5 Press the Return key or click the right arrow button.

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

the onscreen instructions.

7 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.

For more information about Apple Hardware Test, see the Apple Hardware Test Read

Me file on the Mac OS X Install Disc 1.

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Apple iMac computer Manuel d'utilisateur Page 87