Speeker Problem and Bettery Usage

Mohamed Razmin 1 Reputation point
2021-10-25T15:51:57.213+00:00

My speaker(Hp core i5) is right now not in stable and volume is still 100 but not (RealTek (R))louder there is Grrr sound on it.
how to increase my bettery performence by plugged in while using or plugged out

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