Display freezes, fades to white, inverse, then bleeds to bluish

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MacBook Unibody A1278

13" aluminum unibody, 2.0 or 2.4 GHz Core 2 Duo processor.

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hdh607 @hdh607

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发帖于: 2010年9月20日

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Display freezes, fades to white, inverse, then bleeds to bluish

I have a:

MacBook (13-inch, aluminum, late 2008)

model number: A1278

2GHz IC2D

2GB RAM

160GB HD

running 10.5.8

The display will fade to white (almost a corduroy look) then fades more, so that it looks inverted (like a film negative), then fades more so that there is no display except a blueish screen with small vertical blue, purple and black lines - think norther lights. If I wiggle the display assembly just right I can get the display back and fully functional. Sometimes it will hold seemingly indefinitely and other times it will will be okay for a while then fade again.

I've read about symptoms like this in other threads and forums, but can't remember the cause and can't seem to find them. My memory (which fades too) tells me it's either the data display cable (or connectors) or the inverter. Both of which it seem would be a bit of a pain in the keester to replace with these new displays with class across the front and no bezel.

Also, display works on a second monitor.

any ideas?

lemerise?

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yes, it's had a liquid spill. I'll check the data display cable connector.

由 hdh607 完成的 2010年9月21日

The problem is the Display Cable near the Hinge. Had this problem on one of my HP Laptops. When you wiggle the screen in one direction, the problem occurs. If I wiggle it back, it works.

由 Anakin Smithers 完成的 2019年5月6日

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mayer @mayer

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发帖于: 2011年6月22日

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Sounds like the display data cable to me not an inverter problem. Check the connector on the logic board first and see if the catch is still in place. Move the display and see if it's moving the connector to the logic board. It could be damaged where it passes through the hinge or could be the connector to the LCD. You'll have to play with it to see which.

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+ It is either going to be the LVDS/video cable or the connector for it on the logic board. I have seen several post here on iFixit with compromised LVDS sockets/headers for this ERA of MBP. It appears they didn't get them soldered down well.

由 ABCellars 完成的 2011年11月12日

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yes, it's had a liquid spill. I'll check the data display cable connector. — hdh607
The problem is the Display Cable near the Hinge. Had this problem on one of my HP Laptops. When you wiggle the screen in one direction, the problem occurs. If I wiggle it back, it works. — Anakin Smithers
+ It is either going to be the LVDS/video cable or the connector for it on the logic board. I have seen several post here on iFixit with compromised LVDS sockets/headers for this ERA of MBP. It appears they didn't get them soldered down well. — ABCellars

Greg @greg35368 声誉积分: 13 1 · Answer 1 · 2011-06-22T14:32:28-07:00

Greg @greg35368

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I have the exact same issue with a 2008 13" 2.4ghz Macbook aluminum. It is working with an external monitor attached. Sometimes I can power it on and the display will work for 2 seconds or 2 hours. Mine began with a small water spill but I immediately tilted the laptop upside down to ensure no water got in. (but then again maybe some did)Apple store representative quoted me $700 to fix it but I wasn't so sure the guy new much about it. I keep reading about Inverter boards and cables going bad with the symptoms that my computer is having. Is the problem fixable? Please help... Thanks

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Eazy @eazy22179 声誉积分: 533 4 2 1 · Answer 2 · 2010-09-20T09:34:48-07:00

Eazy @eazy22179

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You should try cleaning the display cable at both ends. Because if it the inverter you'll have to replace led screen do that it's built in to the screen. Q. Has the MB had any type of a liquid spill?

Hope that help. Good luck with that.

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