Dell Alienware Area 51 (Late 2009) - Manual (Page 90)

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CHAPTER 18: BATTERY
Replacing the Coin-Cell Battery
Follow the instructions in “Before You Begin” on page 1. 6.
Insert the new battery (CR2032) into the socket with the side labeled “+” 2.
facing up, and press the battery into place.
Replace the PCI shroud (see “Replacing the PCI Shroud” on page 3. 22).
Close the left-side panel. 4.
Connect your computer and devices to electrical outlets, and then turn 5.
them on.
Enter system setup (see “Entering System Setup” on page 6. 95) and restore
the settings you recorded before removing the battery.