My pavillion periodically shuts down completely. Even when power cord is plugged in and the battery is 100% charged. I will then wait a while, or wiggle power cord and she'll come back up. I bought a new power cord to no avail. Would this be a solder problem on the motherboard?
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laptop battery is more than 3 - 4 years old then the battery could be worn out.
Rechargeable batteries have a finite number of charge and discharge cycles and
will lose their charge capacity over time, i.e. won't charge to 100% and
gradually the charge reduces until the battery won't charge up at all. OR The
battery shows a 100% charge but when the adapter is disconnected the battery
drops off to zero capacity in a very short time. If the battery drops to an
unacceptable charge level then the battery needs to be replaced.
Rechargeable batteries will fail if stored in a discharged
state for long periods.
pull the battery and check it with a dc power meter that measures voltage if you got low/no power you'll have to buy another battery/ also try using the power cord w/o the battery installed. it theres no light anywhere means the ac power converter /supply has died.
I did this to a laptop many times. And after soldering the problem came back after few months. This is a major problem with laptops. What I finally did is jum short wires inside to bypass the part of the board that caused the problem, and never had to open it again. Opening a laptop is not easy with so many screw, and I hate opening it every few months.