1 How to troubleshoot and repair logicboard
I had this mac with a mobo failure, when I try to turn it on, the fan spin a little (less than 1 second) then stop, it have no chime, no video, no beeps(if remove all ram), it charge with a yellow light, I can still check the battery percentage.
if i reset the SMC by holding left shift and option and control and try to turn it on, the fan run at full speed, but the charger have no charge light and same as before no chime. If I reattach the battery, it would go back to the previous describe pattern.
Is there anything i can do to repair this board?
Questa è una buona domanda?
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It matters exactly which machine it is, there are even extension repair program on some. So please tell us. Also a history of the machine might help.
da mayer