Dell Inspiron 14 (3420, Mid 2012) - Manual (Page 45)

1 plastic scribe 2 coin-cell battery
Replacing the Coin-Cell Battery
1 Follow the instructions in "Before You Begin" on page 9.
For Inspiron M4040:
With the positive side up, snap the coin-cell battery into the battery socket
on the system board.
For Inspiron 14-N4050:
a Slide the coin-cell battery into the battery socket on the computer
base.
b Connect the coin-cell battery cable to the connector on the system
board.
c Slide the audio-board cable into the connector on the system board.
Press down on the connector latch to secure the audio-board cable to
the connector on the system board.
2 Follow the instructions from step 3 to step 7 in "Replacing the Palm-Rest
Assembly" on page 28.
3 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.
Coin-Cell Battery 45