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Apple MacBook Pro a1706 notebook screen dark “non common failing” maintenance
Remove the panel head and study. After measurement, it is found that the 5V test point on the logic board is in short circuit state As a result, the culprit was found on the back of the logical version; Take him out of 5V without short circuit, and put all the removed originals back into the machine. The screen has already lit up! This is the end of troubleshooting maintenance