Plugging MacBook Pro display onto MacBook Air

Apple transitioned the display systems from LVDS signaling to iDP (think how we migrated our TV's from analog to digital to get better resolution in our content). The signals are not pin compatible and will in fact damage things! A better approach here is to use an external display.

How about telling us what happened with your system, maybe we can offer you some guidance here.

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Thanks for the swift answer ! I thought my MacBook Air also used LvDS. Are you sure apple had already transitioned by that time ?

25. Mär 2017 von john dupont

Can you tell us what happened or what you see on the display now?

26. Mär 2017 von Dan

@danj initially screen was flickering. I opened it, and tried to unplug it and stuff. Since then it is pitch black. I am almost sure that at some point I plugged the backlight cable the wrong way. Other people seem to have blown their backlight fuse when doing that. So I guess that is my problem as well. However, in order to test that I am thinking of plugging another screen on my laptop, see if it lights up

9. Apr 2017 von John Dupont

Displays for this model are very affordable .

9. Apr 2017 von Forza Vale

A flickering display is a backlight issue. But the cause could be the backlight within the display, the ribbon cable & connectors as well as the logic on the logic board.

Using a flashlight can you at least see your desktop when shining the flashlight though the Apple logo in the lid? Also does the external display work? If you don't then its likely the cable and the connectors that have a problem. Often corrosion is to issue.

If you do see the desktop then I would focus your efforts on to the logic board. Double check the connector for corrosion trace the logic to make sure voltage is present. You may have a cold solder joint or the backlight driver and/or the fuse is blown.

10. Apr 2017 von Dan

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Thanks for the swift answer ! I thought my MacBook Air also used LvDS. Are you sure apple had already transitioned by that time ? — john dupont
Can you tell us what happened or what you see on the display now? — Dan
@danj initially screen was flickering. I opened it, and tried to unplug it and stuff. Since then it is pitch black. I am almost sure that at some point I plugged the backlight cable the wrong way. Other people seem to have blown their backlight fuse when doing that. So I guess that is my problem as well. However, in order to test that I am thinking of plugging another screen on my laptop, see if it lights up — John Dupont
A flickering display is a backlight issue. But the cause could be the backlight within the display, the ribbon cable & connectors as well as the logic on the logic board.

Using a flashlight can you at least see your desktop when shining the flashlight though the Apple logo in the lid? Also does the external display work? If you don't then its likely the cable and the connectors that have a problem. Often corrosion is to issue.

If you do see the desktop then I would focus your efforts on to the logic board. Double check the connector for corrosion trace the logic to make sure voltage is present. You may have a cold solder joint or the backlight driver and/or the fuse is blown. — Dan

MacBook Air (13 Zoll, Mitte 2011)

Plugging MacBook Pro display onto MacBook Air

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