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

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Grey screen after apple chime.

Hi, my Macbook get a grey screen after chim .

Its happens after i did a upper case swap ( my case was bent). Macbook has no spills or any problems before.

I dont have a mini DP cable to test a video output.

I did memory swap with another Mac- but no luck.

Any suggestions?

Thank you!

Block Image

I tried to reset SMC and PRAM- no luck

Also tried to boor in safe mode- same grey screen.

I did a upper case with keyboard because my case was bent.

Macbook boots up and i can adjust brightness of the screen and sound volume

but its only no image on the screen.


mayer, sorry about that my bad

ordered a mini display port cable to check on the external monitor.

No image on external moniror as well :(

I decide to sell it for parts , but nobody want it

Next step is reballing a gpu Nvidia on logic board

Yanıtlandı! View the answer Ben de bu sorunu yaşıyorum

Bu iyi bir soru mu?

Puan 0


When you just change the question without addressing or acknowledging my answer, it makes my answer look pretty stupid.


Let's wait till your part comes in to check the LCD further.


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First I'd like to see if we're both on the same page. Is this what you replaced: MacBook Unibody (A1278) Lower Case

Reset the System Management Control and PRAM:

The link to reset SMC is


The link to reset PRAM is


Next try starting in Safe Mode by holding down the Shift key on start up.

MacBook Unibody (A1278) Lower Case Resmi


MacBook Unibody (A1278) Lower Case


Bu yanıt yardımcı oldu mu?

Puan 3


mayer, sorry about that

my bad


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