Dell Inspiron 3420 User Manual

Coin-Cell Battery 45
Replacing the Coin-Cell Battery
1 Follow the instructions in "Before You Begin" on page 9.
For Inspiron M4040:
a 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.
1 plastic scribe 2 coin-cell battery

Dell Inspiron 3420 Specifications

General

CPU	Intel Core i3/i5/i7 (varies by model)
Memory	Up to 8GB DDR3
Storage	Up to 500GB HDD
Display	14.0 inch HD (1366x768)
Graphics	NVIDIA GeForce GT 620M
Operating System	Windows 7/8
Battery	6-cell Lithium Ion
Ports	USB 2.0, USB 3.0, HDMI, VGA, Ethernet, Headphone/Microphone combo jack
Wireless	Wi-Fi 802.11 b/g/n, Bluetooth 4.0