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Lucbert

macrumors regular
Original poster
Dec 8, 2008
208
0
I have an issue with the MBP. If bootable CD is inserted, you can see that the motherboard is functioning properly, but however the screen isn’t working right. It’s the same way when you power it up. You can hear the logo music, but there’re horizontal lines in the screen. I do not see any physical damage to the screen itself.
 

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I have an issue with the MBP. If bootable CD is inserted, you can see that the motherboard is functioning properly, but however the screen isn’t working right. It’s the same way when you power it up. You can hear the logo music, but there’re horizontal lines in the screen. I do not see any physical damage to the screen itself.
Do you have an external display? If you do, see if the computer itself is working. That will make diagnosing the problem easier.
 
Do you have an external display? If you do, see if the computer itself is working. That will make diagnosing the problem easier.

No I don't, I tried to hook it up to my work monitor but it needs a special adapter that I do not have.
Is this a common problem? Do you think the GPU is broken?
 
No I don't, I tried to hook it up to my work monitor but it needs a special adapter that I do not have.
Is this a common problem? Do you think the GPU is broken?
I doubt it, if something shows up at all, itis most likely not the gpu.
 
Hmm, can't think of anything else, I never dropped the notebook.
Any other ideas? I really need you help people, I go to college and can't effort a new one.
 
Hmm, can't think of anything else, I never dropped the notebook.
Any other ideas? I really need you help people, I go to college and can't effort a new one.
Thats very strange. I have never seen anything like this before. Can you see anything? text from the os install disc?
 
Smells like the Good Ol' nVidia 8600 issue...you really need to try an external monitor...but if you cant, call Apple and they should repair it if they diagnose it as the nVidia issue, it will be free too.
 
Smells like the Good Ol' nVidia 8600 issue...you really need to try an external monitor...but if you cant, call Apple and they should repair it if they diagnose it as the nVidia issue, it will be free too.
You sure it's a gpu problem? If it is, an external display isn't going to do ya any good.
 
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