Removing and Installing Parts: Dell Dimension 9150 Service Manualfile:///T|/htdocs/systems/dim9150/en/sm/parts.htm[10/31/2012 7:59:36 AM]16. Remove the I/O panel from the computer.Replacing the I/O PanelFollow the removal procedure in reverse order, ensuring that the tabs on the top panel, bottom panel, and front panel aresecure.BatteryReplacing the BatteryCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in theProduct Information Guide.NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your bodybefore you touch any of your computer's electronic components. You can do so by touching an unpainted metal surfaceon the computer.A coin-cell battery maintains computer configuration, date, and time information. The battery can last several years.If you have to repeatedly reset time and date information after you have turned on the computer, replace the battery.CAUTION: A new battery can explode if it is incorrectly installed. Replace the battery only with the sameor equivalent type recommended by the manufacturer. Discard used batteries according to themanufacturer's instructions.To replace the battery:1. Record all the screens in system setup so that you can restore the correct settings in step 9.2. Follow the procedures in "Before You Begin."