i was given a power mac G5 DP, won't power on

i given power mac g5 dp (2ghz) has 8gb ram (factory, guess ... on sticker) , no hdds (donating party wanted them back, kept screws mounting). problem won't power on. make clicking breaker switch type noise , flash power light , turn off. fans move during 1 second on before turning right off. tried reset pmu pressing button under front fans unit unplugged. tried removing battery logic board , discharging board holding power button 15 seconds(with battery out , power unplugged). please me this? love working family have common computer use when ever instead of borrowing macbookpro. thank help.

 

benjamin.willie said: ↑

i given power mac g5 dp (2ghz) has 8gb ram (factory, guess ... on sticker) , no hdds (donating party wanted them back, kept screws mounting). problem won't power on. make clicking breaker switch type noise , flash power light , turn off. fans move during 1 second on before turning right off. tried reset pmu pressing button under front fans unit unplugged. tried removing battery logic board , discharging board holding power button 15 seconds(with battery out , power unplugged). please me this? love working family have common computer use when ever instead of borrowing macbookpro. thank help.

click expand...

sadly sounds power supply in g5 has gone bad. power button flash more once? , air deflector in way can make g5 not start well.

(power button led diagnostic codes)
on , solid computer on , running
2 flashes, pause no memory (ram) installed
3 flashes, pause incompatible memory (ram) installed
4 flashes, pause no dimm banks detected

 

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