Dell Inspiron 3420 User Manual

50 Thermal Cooling Assembly
Replacing the Thermal Cooling Assembly
1 Follow the instructions in "Before You Begin" on page 9.
2 Align the four captive screws on the thermal cooling assembly with the
screw holes on the system board.
3 Tighten the four captive screws that secure the thermal cooling assembly
to the system board.
4 Connect the fan cable to the connector on the system board.
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 thermal cooling assembly 2 fan cable
3 captive screws (4)
1
2
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