Dell Inspiron 15R (N5110, Early 2011) - Manual (Page 62)

62 Coin-Cell Battery
Replacing the Coin-Cell Battery
1 Follow the instructions in "Before You Begin" on page 9.
2 With the positive side up, snap the coin-cell battery into the battery
socket on the system board.
3 Follow the instructions from step 2 to step 7 in "Replacing the Palm-Rest
Assembly" on page 34.
4 Replace the battery (see "Replacing the Battery" on page 16).
1 plastic scribe 2 coin-cell battery
1
2