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Before performing any of the procedures in this chapter, read the following warning.
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1.Turn off the computer and any attached peripherals.
2.Disconnect the computer and any attached peripherals from electrical outlets to reduce the potential for personal injury or shock.
3.Ground yourself by attaching an antistatic grounding strap to your wrist and to an unpainted metal surface on the computer’s I/O panel. If an antistatic grounding strap is not available, periodically discharge static electricity from your body by touching one of the connectors on the I/O panel.