Solved Strange Issues After Logic Board Replacement Macbook Pro 17 Models A1151 A1212 A1229 And A1261
Chosen Solution Hi, After logic board failure, unknown reason but possible overheat? bad GPU. (wouldn’t boot, 3 seconds fan, optical and HDD noise, light blink then off) I decided to replace logic board with one out of redundant system. Followed tear down guide, new thermal paste, all screws went back in macbook booted first time as soon as I put the power lead to the connector ( I thought nothing of this the first time)....