Apple MA064LL User Guide - Page 58
Using Apple Hardware Test
UPC - 718908470718
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Using Apple Hardware Test You can use Apple Hardware Test to help determine if there is a problem with your iMac G5 computer's hardware. To use Apple Hardware Test: 1 Disconnect all external devices from your iMac G5 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 G5. 3 Restart your iMac G5 and hold down the Option key as it starts up. 4 Click Apple Hardware Test when the list of available startup volumes appears. 5 Click the right arrow. 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 does not 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. 58 Chapter 5 Troubleshooting