Dell Inspiron 3200 Service Manual - Page 39
Precautionary Measures, WARNING FOR YOUR PERSONAL SAFETY AND PROTECTION
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Precautionary Measures Before performing any of the procedures in this chapter, read the following warning. WARNING FOR YOUR PERSONAL SAFETY AND PROTECTION OF THE EQUIPMENT: Before you start to work on the computer, perform the following steps in the sequence indicated. 1. Turn off the computer and any attached peripherals. 2. Disconnect the computer and any attached peripherals from AC power sources 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. Follow these precautionary measures before removing or replacing any parts that are described in this chapter: 1. Determine the power state of the computer. If the display is on, go to step 2. Check the status display window to determine the status of the computer. If the display is off, press the power key to verify that the computer is not in suspend or standby mode. Then proceed to step 2. 2. Turn off any attached peripherals, and then shut down the computer. 3. Disconnect the computer and any attached peripherals from AC power sources to reduce the potential for personal injury or shock. If the computer has an AC adapter, disconnect the adapter from the AC power source, and then disconnect the AC adapter from the computer or from the port replicator (see Figures 4-3 and 4-4). Removing and Replacing Parts 4-3