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Is it the Power Supply or the Logic Board

Is it the Power Supply or the Logic Board

My imac intel 24 alum 2.8Gh Emc2211 won´t do anything when I press the power button. I´ve checked wall outlet, power cord, opened and cleaned the dust in it. I´ve read that probably power supply or logic board may be the culprits. I want to repair them myself. How can I be sure which one is responsable. Is there any way to test it when, I repeat, my computer does not give any signal of life (as if it would be unplugged) Thanks for your help

Asked by: Guest | Views: 239
Total answers/comments: 3
bert [Entry]

Sounds like a power supply issue to me. Try unplugging it and holding down the power on button for five seconds. Then plug it back in and give it a shot. Test your wall outlet for power. Remove the screen and check the LED diagnostic lights to the right of the RAM slots and let us know your results.
bert [Entry]

All good but when you have an iMac 20 inch and the power light goes on but no chime, display or backlight. I was suggested to still replace the power supply but like the other post could also be the logic board. What answer can you give me?
Gqkglz [Entry]

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