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Alan Cook
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No Backlight; replaced screen

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MacBook Pro 17 A1212 (2.33 Core 2 Duo)

This MBP17 had display issues and under AppleCare I had the screen and logic board replaced twice. Now after the AppleCare is over and the 90 day warranty on those repairs is out of date, the backlight has gone out. I can see the image of the log in screen. I removed the entire display assembly and replaced with a A1151 display assembly but same results...no backlight. My guess is that this since the inverter is inside the display assembly that the issue lies in the logic board...can anyone confirm this? Not sure if this is related but the backlight on the keyboard still works.

Edited by: oldturkey03 ( ) , mayer ( )

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mayer
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Replace the inverter. LCD screens require the use of an inverter to supply power to the screen’s back lighting. Here's the part: MacBook Pro 17" (Model A1151/A1212) Display Inverter

Here's how to install it: MacBook Pro 17" Models A1151 A1212 A1229 and A1261 Display Inverter Replacement

Edited by: mayer ( )

Ordered the part from iFixIt and replaced the inverter. Still no backlight. What do I do next?

Alan Cook,

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