A:AnswerNo it doesn't. Few laptops today have any disk drives at all - you pretty much have to buy an external usb drive unless you go very high $$ on the laptop.
A:AnswerI dont leave mine plugged in all the time. If im using it, i make sure its charged to the 85%. When i finish usung it (for that time period), i check the level if battery and if its 15% or lower, i will plug it in until i use it again
A:AnswerIt shouldn't need activation, I had a problem where one of the keys was accidentally pressed disabling the webcam, and I had to toggle it back on. FN + F10 will block the mic and camera.