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Apple Computing Products:
macOS - Desktop Hardware
LCD Backlight is Out. Repair?
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<blockquote data-quote="SpindleX" data-source="post: 317739" data-attributes="member: 24826"><p>From what your describing they may have not seated the 'Inverter board' or didn't connect everything when they replaced the MLB. One connector on the inverter that you cannot see is under the Optical Drive, I suggest taking the Optical drive out and see if they connected it properly. I'd also try reseating the Inverter itself. </p><p></p><p>If these steps don't work then the inverter is most likely bad and is cause for no backlight issues. I believe they range from $50-80 dollars. Hope this helps and g/l!</p></blockquote><p></p>
[QUOTE="SpindleX, post: 317739, member: 24826"] From what your describing they may have not seated the 'Inverter board' or didn't connect everything when they replaced the MLB. One connector on the inverter that you cannot see is under the Optical Drive, I suggest taking the Optical drive out and see if they connected it properly. I'd also try reseating the Inverter itself. If these steps don't work then the inverter is most likely bad and is cause for no backlight issues. I believe they range from $50-80 dollars. Hope this helps and g/l! [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
LCD Backlight is Out. Repair?
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