Question HP ProBook 4540s power button keeps blinking

Mergho

Distinguished
Aug 4, 2013
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Hello,
When I tries to turn on my laptop, the power button keeps blinking once every 5 secs. when it stops, the charging LED blink and this light stops when the power button blink (They continue each other). During the blinking of the power button, the Harddisk LED blinks 1 red and 1 white light. I dunno what may cause such problem, i suddenly happened.
 

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