big sur 11.5.1

I have a MacBook 2015 Big Sur; if I close it for a few hours, the battery dies completely. Please note- I already tried most of the solutions Google suggested; please how do I fix this?

Hey, I've had my new macbook 13 (m1) for a couple of months now but the last couple of days my track pad has been lagging for sum reason. The cursor lags when I use the track pad and I don't know what could've caused this. Is it something internal or external. should I contact apple to get them...

Hi everyone! I have been having the strangest issue lately with my Macbook's screen. It's the 13" without a touchbar from 2017, and for the past few weeks it's been doing well...what the images show. The top image is from today, while the other two images are from the past few weeks. I've...