I have a 820-3787 board that doesn't display any image, also no backlight activation for that matter.
Someone unskilled has clearly messed with this before, since one of connectors on the wifi module has been ripped off, some of those pogo-pins for connection to the bottom plate have been ripped off (how the crap do you even get to do that?) and there is clearly some solder flux around the GPU, so the GPU has probably been reflowed.
Water damage indicator on U2800 has been activated, can't see any water damage tho. Can't find any other water damage indicators on this board, so have probably been removed.
The system chimes, so it clearly tries to boot up. PPVCC_S0_CPU = 1.77V. The fans spin at full speed.
No image at all, also tried external.
Not sure how to work from here. My fear is that at least the GPU is fried by the unskilled person that has worked on this. I know the fans spin at full speed if the SMC can't properly communicate with one of the sensors or the trackpad for example, but is this also the case when it detects the GPU is bad?
Someone unskilled has clearly messed with this before, since one of connectors on the wifi module has been ripped off, some of those pogo-pins for connection to the bottom plate have been ripped off (how the crap do you even get to do that?) and there is clearly some solder flux around the GPU, so the GPU has probably been reflowed.
Water damage indicator on U2800 has been activated, can't see any water damage tho. Can't find any other water damage indicators on this board, so have probably been removed.
The system chimes, so it clearly tries to boot up. PPVCC_S0_CPU = 1.77V. The fans spin at full speed.
No image at all, also tried external.
Not sure how to work from here. My fear is that at least the GPU is fried by the unskilled person that has worked on this. I know the fans spin at full speed if the SMC can't properly communicate with one of the sensors or the trackpad for example, but is this also the case when it detects the GPU is bad?
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