Dell Inspiron 3420 User Manual

System Board 75
Replacing the System Board
1 Follow the instructions in "Before You Begin" on page 9.
2 Slide the connectors on the system board into the slots on the computer
base.
3 Replace the two screws that secure the system board to the computer base.
4 Connect the display cable, speakers cable, audio-board cable, USB-board
cable, coin-cell battery cable, and AC-adapter cable to the connectors on
the system board.
5 Replace the processor (see "Replacing the Processor Module" on page 52).
6 Replace the thermal cooling assembly (see "Replacing the Thermal
Cooling Assembly" on page 50).
7 Follow the instructions from step 5 to step 6 in "Replacing the Hard Drive"
on page 35.
8 Replace the Mini-Card (see "Replacing the Mini-Card" on page 38).
1 screws (2) 2 system board
2
1

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