Dell Inspiron 13z (N311z, Mid 2011) - Manual (Page 54)

54 Coin-Cell Battery
Replacing the Coin-Cell Battery
1 Follow the instructions in "Before You Begin" on page 9.
2 With the positive side facing up, snap the coin-cell battery into the battery
socket on the system board.
3 Replace the palm-rest assembly. See "Replacing the Palm-Rest Assembly"
on page 32.
4 Replace the keyboard. See "Replacing the Keyboard" on page 27.
5 Replace the module cover. See "Replacing the Module Cover" on page 16.
6 Replace the battery. See "Replacing the Battery" on page 14.
CAUTION: Before turning on the computer, replace all screws and ensure that no
stray screws remain inside the computer. Failure to do so may result in damage to
the computer.