How to learn something by reading a textbook? I have a huge issue with learning via books. I try to make notes, but I get bugged down copying everything in books. I try to understand sentence by sentence, I fail to do so. And at last, I give up reading books and go and study some handwritten notes of that subject. How are books actually meant to be read.  I am talking about textbook. I have hard time remembering what I read as well. I am talking about computer science textbooks here for reference. Additionally, I can at least learn sth by watching videos, even though I am not really great at it.
The first thing you need to do is to create a sechdule for your reading. You also need to study your cognitive domain but since you love to watch videos, focus on watching video lectures of the topics in the text book and take notes of important key points which can be easily read and remembered anytime anyday.