Weird lines that end in triangle shape (pressure sensitivity)

Hey, I bought an asus 2 in 1 and am using the wacom bamboo ink pen to directly draw on the screen with Photoshop. A thing i've noticed though is that the lines end in these weird overly sharp ends (pressure sensitivity is on, obvs). Is this a driver issue? I can't seem to find any other drivers for my laptop. I've heard something about wintab drivers, but i don't want to install them if they'll ruin anything. Is there anyone who knows what I can do?
Thanks
