dead screen. but works on external

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iMac Intel 27" EMC 2390

Model A1312 / Mid 2010 / 3.2 GHz Core i3 or 2.8 & 3.6 GHz Core i5 or 2.93 GHz Core i7, ID iMac11,3

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joey @joey51185

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Posted: Sep 2, 2011

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dead screen. but works on external

hi i have a faulty imac 27

the mac powers up ok and works on a external display useing the mini port.

however the lcd it totaly black i have used a flashlight but cant see anythink totaly black i have replaced the invertor board but it did not cure fault.

i have noticed theres 3 leds are on on the logic board.

anyone help.

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What do the LEDs show?

Sep 3, 2011 by mayer

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Vitali @vitali32059 Rep: 77 5 25 · Answer 1 · 2011-09-03T19:42:31-07:00

Vitali @vitali32059

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Posted: Sep 3, 2011

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Hi,

did you check a power from Power Supply to LCD?

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