Is the blowtorch overkill?

Which of these steps would be the best choice prior to physically installing a new adapter card into a computer?

A) Upgrade the anti-virus software

B) Add the computer to the Active Directory domain

C) Defragment the primary storage drive

D) Check the documentation to determine the order of installing the drivers and the physical adapter card

E) Make sure you have a good chisel, just in case it’s one of those hard-to-open computers