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-Getting just one green LED shows you have trickle power to the power supply. If the machine is not booting and you get no other LEDs your power supply has failed. Of course the fan does not run, it's not getting enough power. Replace the power supply.
+Getting just one green LED shows you have trickle power to the power supply. If the machine is not booting and you get no other LEDs your power supply has failed. Of course the fan does not run, it's not getting enough power. Replace the power supply. Here's how: https://www.ifixit.com/Guide/iMac+Intel+20-Inch+EMC+2105+and+2118+Power+Supply+Replacement/1098

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原帖由: mayer ,

文本:

Getting just one green LED shows you have trickle power to the power supply.  If the machine is not booting and you get no other LEDs your power supply has failed.  Of course the fan does not run, it's not getting enough power.  Replace the power supply.

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