![]() I have done the SMC and PRAM resets countless times. I upgraded the OS from Yosemite to Sierra to no avail. I sprayed Deoxit in the Magsafe plug/jack and it looks pristine. I have cleaned the Magsafe connector many times and the ac adapter works with my other good Macbook A1342. Actually when I first plugged it in (with the new Magsafe board) it lit up for about 10 seconds and then nothing, and did the same thing today for a few seconds. I installed a new Magsafe board and that did nothing. I have an identical Macbook running 10.6.8 and I tried swapping the ac adapters to no avail. The light on the Magsafe wouldn't light at all. I tried resetting the SMC and PRAM many times. Recently my wife's mid 2010 Macbook 7,1 A1342 started not charging the battery. ![]()
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