Computer Case Being Opened Step1 Try to keep your computer off the floor and by your monitor if space allows. Do not more or jar your computer when it's turned on.Before you move the computer case even a foot or so, power it down. Don't put the computer under your desk where it can get kicked and bumped. Although modern hard drives are sealed and much less resistant to vibration than earlier models, it's still possible to crash a dirive by banging into it while it's reading or writing data. Step2 Don't smoke near your computer...