power supply replaced but still unable to power up.
After the power supply replaced. Plug in power cord the LED #1 is on. Press power button the LED #2 lit momentary follow by rectangular shape LED lit momentary & left lower fan turn on momentary, then the LED #4 Amber light up and stay. Reset SMU by re-plug power cord while pressing the power button no help.
Model Name: iMac G5
Model Identifier: PowerMac12,1
Processor Name: PowerPC G5 (3.1)
Processor Speed: 2.1 GHz
Number Of CPUs: 1
L2 Cache (per CPU): 512 KB
Memory: 2.5 GB
Bus Speed: 700 MHz
Boot ROM Version: 5.2.6f1
Serial Number (system): W85479ANTAR
Hardware UUID: 00000000-0000-1000-8000-001451277FC6
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