Dell Inspiron 3420 User Manual

42 Audio Board
Replacing the Audio Board
1 Follow the instructions in "Before You Begin" on page 9.
2 Use the alignment posts on the computer base to place the audio board in
place and press the audio board until it clicks into place.
3 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.
4 Connect the Mini-Card antenna cables to the connectors on the
Mini-Card (see "Replacing the Mini-Card" on page 38).
5 Follow the instructions from step 3 to step 7 in "Replacing the Palm-Rest
Assembly" on page 28.
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.
1 audio-board cable 2 tab
3 audio board
2
1
3

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