Well, this all depends on what your doing. If your repairing a computer you want to make sure you are grounded with an anti-static wrist strap and the power is unplugged. If you are cleaning a...
That depends on what the computer is being used for. If the computer is a server, its sole purpose is to serve the network. It may handle tasks like storing data, managing system privileges, or...
Don't scrath the equipment, non't wear just socks because it will create friction and my shock the equipment and ruin it. Either wear tennis shoes or go barefoot.