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The late 2005 Power Mac G5 was introduced in October, and discontinued in August the next year. There were three configuration options, one dual core processor at 2.0 GHz, one dual core at 2.3 GHz with model number A1177, and one dual core dual processor (quad core) at 2.5 GHz.

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Red light on mother board at start up?

There is a red light on the mother board as the machine starts up the drive is not seen on the monitor. nothing.

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1 Answer

Chosen Solution

Help us help you. The more complete the description of your problem is the more assistance we can provide, and, the sooner we can provide it..

LED #1 is the voltage present light. It is always on unless your mains or power cord are disconnected/dead.

There should be 8 more LED's. Each points to a particular problem component. There is an LED diagnostic button you need to push to check some of the lights. See this page for more information.

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