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POWER SUPPLY & BATTERY PROBLEM If the 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.
DID YOU NOTICE ANY OVER HEAT IN BOTH,THE PC OR CHARGER? IF SO THE CAN BE 2 ISSUES. 1-THE CHARGER 2-THE BAT IF YOU TRY TO CONNECT THE CHARGER WITHOUT THE BATT,THE CHARGER GET HOT? (1) ,DO THE CHARGER IS OK (2)
Symptoms of a broken power jack 1. If you wiggle the power cord or the AC Adapter connector on the back of the laptop, the power LED and battery charge LED start to flicker. 2. Battery will not charge in the laptop. 3. Laptop runs fine off a charged battery. 4. With the AC Adapter connected the laptop appears to be dead. No power LED or battery charge LED activity. 5. Laptop randomly powers off without any warning
If your laptop is out of warranty, then you can fix the problem by resoldering DC-IN jack on the system board. If it
Plug it into the electrical outlet and then turn on your laptop. if it comes on and works fine, then your battery is just simply dead, and if it will charge, just needs to charge. If not, then you are going to have to replace your battery. But assuming all of this is true, and your laptop will power on when using your electrical outlet, then yes, feel free to use it whenver you like when plugged in.