MacBook isn't turning on and no charger light. What can cause this?
Macbook Air (Early 2015) is not turning on and no charging light. It is not the cable because it charges my other Macbook and I have already tried reseting the SMC(it did nothing). So I know I am going to have to fix some hardware but I don’t know what is wrong. BTW I do not have the tools to go inside it so thats why I am asking so I can get the right ifixit package.
I replaced the I/O board it was definitley part of the problem now I hear the fan but still no power light. My screen also has a low battery symbol that flashes. I reset the smc and my mac booted but it didn't have any battery life and was stuck at zero. I unpluged the cord and everything turned off. Now I only have a flashing no battery symbol and I cant boot it anymore. I heard that the charging light can be caused by the I/O cable is this true? Can a bad I/O cable cause it not to boot normally or is that another problem? Edit: I just found out that it only boots when I/O cable is disconnected and battery is disconnected if I plug in either one then it turns off. Is it normal for the fan to run high when there is no battery or I/O cable is connected?
Update #2 I replaced the battery and it did nothing. I also tried reseting everything again and it didn’t change anything. There is something wrong with the logic board since everything else was replaced.
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