The Power Mac G4 computer beeps four or five times at startup. Four or five beeps means that the ROM is probably bad and cannot be fixed.

This article covers repair procedures for authorized service providers on selected Apple products, but we have published them in the Knowledge Base for the general public for educational purposes. At this time, there are a limited number of repairs that a customer can perform and these are covered under the customer installable parts program http://www.info.apple.com/installparts . If you have not been authorized to perform these procedures, please contact Apple (800-APL-CARE in the USA) or your local authorized service provider to schedule a repair.

Symptom

The Power Mac G4 computer beeps four or five times at startup.

Products affected

• Power Mac G4
• Macintosh Server G4
• Macintosh Server G4 with Mac OS X Server

1. Four or five beeps means that the ROM is probably bad and cannot be fixed.

2. Remove all third-party hardware from the computer, including RAM, PCI cards, hard drives, external USB devices, and FireWire devices. Reinstall one at a time, starting up after each addition.

3. Replace logic board.