My first thought is that this machine may have the Nvidia GPU issue, because it is within the range of machines that could potentially have the issue, and that issue is becoming more prevalent in general. However, I've dealt with many of those machines, and they usually do chime and act as if they are working, aside from the black screen, whereas this one goes into the odd mode I've described above, with no chime. There is no external video when it's in this mode, but external video works fine when the machine is working.ĭoes anyone have any ideas, and does anyone have an opinion as to whether or not this could still be the Nvidia issue? My next step is to replace the DC-in board, but if it seems likely to be the Nvidia issue I'll take it to the Apple store instead (because it's within the 4 year window, and they would replace the board if it qualifies).
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