Apple has announced an extended warranty for first-generation iMac G5s suffering video or power "issues".

The warranty applies only to first-generation models suffering from specific component failures. It's available worldwide and extends free repairs for up to two years from the original date of purchase even if the iMac G5 is out of warranty.

Video or power failures

"If your iMac G5 is exhibiting any of the symptoms listed below and your computer's serial number is within the noted ranges, your computer may be eligible for repair, free of charge," Apple states.

Affected systems will exhibit one of the following symptoms: Scrambled or distorted video; no video; or no power.

Specific models of iMac G5

The scheme covers iMac G5s sold between, "approximately September 2004 and June 2005 featuring 17- and 20-inch displays with 1.6GHz and 1.8GHz G5 processors," Apple said.

The first five digits of the serial numbers of the Macs concerned are in the following ranges: W8435xxxxxx-W8522xxxxxx; QP435xxxxxx-QP522xxxxxx; CK435xxxxxx-CK522xxxxxx; YD435xxxxxx-YD522xxxxxx.

Further details of this scheme are available on Apple's support pages.