It won't power up with the power plug in, battery died.
I always use my Compaq Presario with the power cord plugged in, never take it anywhere. Tonight it said the battery was low, and a few minutes later it shut off. I turned it back on and white text on a black screen said to charge the battery or plug in the power cord. The power cord was already plugged in; I clicked to continue. It started up for 10 -20 seconds then powered off again. The power cord it putting out approx. 19 volts, but it won't start again. I unplugged & plugged it in again, the light blinked blue a few times then stopped.
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