Tried starting in the morning after power drained, plugged in, everything came back for a few seconds then the screen went black. Can't restart. If I hold powe button down 10 sec machine emits an intermittent beep which continues until I push power button again. Any ideas on how to fix?
MacBook – No responsive MacBook air
crashmacbook proscreenstartup
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Best Answer
It sounds like your system is stuck in the completely empty battery mode (warning tone).
Try holding the cmd+r after you pushed the power button.
or
To completely reset it, remove power and disconnect the battery, then reinstall.