Faulty power capacitors and other hardware issues have plagued many iMac G5 owners who have frequently filled up Apple's support discussions complaining about the issue.
The Repair Extension Program applies to first-generation iMac G5 systems "that have video or power-related issues as a result of a specific component failure."
Apple says all affected systems fall under the following serial number ranges (first five digits): W8435 - W8522, QP435 - QP522, CK435 - CK522, and YD435 - YD522.

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