When Patterson and Rich are forced to hack, between their laptops is a NAS, basically large storage, presumably meant to represent some computer. Not only would s NAS not be of much use with hacking, after a while it's not even connected to anything anymore.
Putting a gun to a bottle of motor oil might or might not quench the flame from a gunshot. But it WILL throw motor oil everywhere. Including a large amount into the face of the shooter.
The collars on Patterson and Rich run on batteries and have no cable connection. When Patterson is lying on the floor with the collar shocking her, Jane disables it by shutting down the power of the entire room - with a switch on a wall.