The computer gets heated a lot in summer. Keep the laptop at a height so that the air flows freely. If possible operate in AC rooms to get a better battery mileage. Programs get stuck if the computer gets heated.
The hand space around keyboard is metal along with touch pad. You would find it cool in the winter. Try to use a mouse and a keyboard until the PC get slightly warmed up.
The hinges for the lid would get some problems with the screw threads. You can get them repaired but it is hard to keep it intact after that. Fix: Always open the lid gently with two hands.