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how to reset mac power g4 m8493 to power up

my mac power g4 modle 8493 will not power up/ turn on

PowerMac

Posted on Feb 25, 2012 4:38 PM

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1 reply

Feb 25, 2012 5:28 PM in response to sandyakaoreo

Does the power light light up at all?


Is there a red LED lit on the logic board?


Might be time to replace the PRAM Battery, 4 years is close to their lifespan, far less if ever without AC power, & can cause strange startup problems...


http://eshop.macsales.com/item/Newer%20Technology/BAA36VPRAM/


How to reset the SMU/PMU on a Power Mac earlier G3, G4, G5 models...


http://support.apple.com/kb/HT1939

how to reset mac power g4 m8493 to power up

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