Photograph the back of your computer, so that you know where all the cords fit in.
Move the box itself in the back seat of a car, and pull the seat belt as tight as you can.
Copy all your important files onto an external storage device, eg, CD, USB drive, etc, and make sure all your program discs are handy (hopefully you will NOT need them).
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The key to everything is patience. You get the chicken by hatching the egg, not smashing it.
Ex-Editor, Hobbies and Sports, and Forum Moderator