won't start, no lights or power what could be wrong
won't start; no lights or power; when connected to wall power supply still no lights or power; what steps should I take to determine the problem?
Some history would help us help you. Information about the last time it did work, what you were doing or what happened after (fall. spill, power surge etc).
I'd start by verifying the power outlet… then see if the charger works on another machine. Depending upon what those two steps reveal, and some history, I might either replace the charger, the battery or the DC-in board or all three.
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