Hi guys. My 2013 Macbook Air just suddenly shuts down automatically even if the battery is at 90%. Most of the time though it suddenly shuts down when the battery is around 70%. It doesn't do this though if it is plugged in to a power source. I brought it to PowerMac and they did a diagnostic check and found nothing wrong with the hardware and internals. Hoping anyone here has experienced this or knows how to resolve this problem. Thanks.
How much PowerMac charges for diagnostic check? My MBA 2013 is experiencing random restarts. I already restore it but still the problem exist.