84 Installing System Components4 Replace expansion card stabilizer. See "Installing the Expansion-CardStabilizer" on page 65.5 Replace the cooling shroud. See "Installing the Cooling Shroud" onpage 67.6 Close the system. See "Closing the System" on page 46.7 Reconnect the system to its electrical outlet and turn the system on,including any attached peripherals.System BatteryReplacing the System BatteryWARNING: There is a danger of a new battery exploding if it is incorrectlyinstalled. Replace the battery only with the same or equivalent type recommendedby the manufacturer. See your safety information for additional info.CAUTION: Many repairs may only be done by a certified service technician. Youshould only perform troubleshooting and simple repairs as authorized in yourproduct documentation, or as directed by the online or telephone service andsupport team. Damage due to servicing that is not authorized by Dell is not coveredby your warranty. Read and follow the safety instructions that came with theproduct.1 Turn off the system, including any attached peripherals, and disconnectthe system from the electrical outlet.2 Open the system. See "Opening the System" on page 45.3 Locate the battery socket. See Figure 6-1.CAUTION: To avoid damage to the battery connector, you must firmly support theconnector while installing or removing a battery.4 To remove the system battery, push the metal tab away from the batteryuntil the battery pops out.