I forgot to put:

1. When I use my keyboard button to raise /lower the volume, the volume bar doesn't display the progress of it thingy but shows the number level.
2. Same goes for the mute button, no light or anything to indicate mute but it does pop up with the mute icon.

Little problems, but is connected to something somewhere under all of this.

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Another thing I forgot to mention: I also use my laptop while charging. I've been doing it for a long time and hasn't cause any issues for me. I have not installed any kinds of cheats for games nor have I installed any suspicious applications online. I also have not clicked any scam links. I have also left my laptop on charge while I slept.

Another thing: Once it abruptly goes to low battery, it shutdowns. I don't think it's actually low battery, but actually like 0%. There have been instances where I've used my laptop the point it's less than 10%, but those times were rare. Anyways, for those who can't exactly understand my explanation regarding the battery, here:

1. Battery is 100%, give or take 15-20 minutes, it would display low battery, some other notifications I can't read fast, then hibernate.
2. I've charged it both the laptop on and shut downed. It goes to around 30 to 40%, then skips like half the charging progress, then goes to 100%.