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I have a macbook which works fine while running from the battery but doesnt receive any power from the pw supply. The led didnt light up either. I replaced the magsafe board and now the pw supply led blinks a steady green but still wont power the macbook. What do i do now? New motherboard?
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Check your MagSafe tip for power using a multimeter. The pinout is on the right in this Wiki: http://en.wikipedia.org/wiki/MagSafe
这个答案有帮助吗？
i have two mag power supplies and their both tested as working.
Is it charging the battery?
nope.. the laptop wont even turn on. It was running fine when there was still battery power.
I just bought it used and now that the batterys run out, need to recharge and the power supply doesnt work. One of the power supply is from another mac and its practically new. Ive changed the magboard and now the light is blinking steady green.
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