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Troubleshooting video issues, Video symptoms, Repair procedure – Apple iMac G5, 20-inch User Manual

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iMac G5, 20-inch Troubleshooting -

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Troubleshooting Video Issues

Troubleshooting Video Issues

Video Symptoms

Affected computers will exhibit one or more of the following:

• Scrambled or distorted video

• The system intermittently freezes or crashes

• The system may crash during the boot process with the fans running at full speed

Repair Procedure

1.

Verify that the system is eligible for the REP program. Refer to the topic “Eligible

Products” mentioned earlier in this section.

2.

If the computer is eligible, remove the rear cover on the iMac G5 so that the main logic

board is visible.

3.

Inspect the capacitors (highlighted below) on the logic board, looking for signs of

bulging and/or venting.