a1278 820-2936a fan spin green light only help
hi there i have a macbook pro a1278 board 820-2936a no boot no dispaly only fan spin and green light. i seen some corroision on top starting to u4900 to u3890 i manage to clean it but still no luck to boot. i figure out that in pp15v t29 there is no available out voltage it shows only 0.6 volts only
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