How to remove screws on Alienware 17 R5 cooling system?

Question

Do it yourself

Background:
The company purchased these laptops in 2018 and hasn't dusted or changed thermal paste since. We are now working remotely and noticed that this laptop is no longer sickly heated during active work. I decided to replace the thermal paste and at the same time clean it from dust. Without any problems, I unscrewed all the screws from the laptop until I reached the cooling system. They sit so tightly that not a single screwdriver took them (Maybe they overdid it in production?). I put an elastic band between the screw and the screwdriver, it still didn’t help, the screw does not give in. Do not pry with pliers either.
After many attempts to unscrew it, I got 1 licked screw :) I stopped at this and did not bother other screws

Question:
How to unscrew tightly tightened screws with flat caps?
Pictures of screws:

Answer 1

oh, yes, they are not tightly tightened, a special screwdriver is needed
the best solution is to buy a good set of precision screwdrivers and choose
for me to disassemble my laptop, I need as many as three different nozzles

Answer 2

why change thermal paste? (who told you that when it dries, it does not remove heat?
remove / clean the fans and filters - this will be enough

Answer 3

Twist while hot.

Answer 4

Buy a set with interchangeable screwdriver bits or try a Phillips one.

Answer 5

The laptop is about two years old at most, there is no point in changing the thermal paste for it.