Home
Dell
Laptop
Latitude 3420
Dell Latitude 3420 User Manual
4
of 1
of 1 rating
119 pages
Give review
Manual
Specs
To Next Page
To Next Page
To Previous Page
To Previous Page
Loading...
I
n
s
t
a
ll
i
n
g
t
h
e
h
a
r
d
-
d
i
s
k
d
r
i
v
e
b
r
a
c
k
e
t
P
r
e
r
e
qu
i
s
i
t
e
s
I
f
y
o
u
a
r
e
r
e
p
l
a
c
i
n
g
a
c
o
m
p
o
n
e
nt
,
r
e
m
o
v
e
t
h
e
e
x
i
s
t
i
n
g
c
o
m
po
n
e
n
t
b
e
f
o
r
e
p
e
r
f
o
r
m
i
n
g
t
he
i
n
s
t
a
l
l
a
t
i
o
n
p
r
o
c
e
d
u
r
e
.
A
b
o
u
t
t
h
i
s
t
a
s
k
T
h
e
f
ol
l
o
w
i
n
g
i
m
a
g
e
i
n
d
i
c
a
t
e
s
th
e
l
o
c
a
t
i
o
n
o
f
t
h
e
h
a
r
d
-
d
i
sk
d
r
i
v
e
b
r
a
c
k
e
t
a
n
d
p
r
o
v
i
de
s
a
v
i
s
u
a
l
r
e
p
r
e
s
e
n
t
a
t
i
on
o
f
t
h
e
i
n
s
t
a
l
l
a
t
i
o
n
p
r
o
c
e
du
r
e
.
3
4
R
e
m
o
v
in
g
a
n
d
i
n
s
t
a
l
l
i
n
g
c
o
m
p
o
n
en
t
s
33
35
Table of Contents
Default Chapter
3
Table of Contents
3
Chapter 1: Working Inside Your Computer
7
Safety Instructions
7
Before Working Inside Your Computer
7
Entering Service Mode
8
Exiting Service Mode
8
Safety Precautions
8
Electrostatic Discharge-ESD Protection
9
ESD Field Service Kit
9
Transporting Sensitive Components
10
After Working Inside Your Computer
10
Chapter 2: Removing and Installing Components
11
Recommended Tools
11
Screw List
11
Major Components of Your System
13
Microsd-Card
14
Removing the Microsd-Card
14
Installing the Microsd-Card
15
SIM Card Tray
15
Removing the SIM Card Tray
15
Installing the SIM Card Tray
16
Base Cover
17
Removing the Base Cover
17
Installing the Base Cover
19
Battery Cable
20
Lithium-Ion Battery Precautions
20
Removing the Battery Cable
21
Installing the Battery Cable
22
Memory Module
22
Removing the Memory Module
22
Installing the Memory Module
23
M.2 Solid-State Drive
25
Removing the M.2 2230 Solid-State Drive
25
Installing the M.2 2230 Solid-State Drive
25
Removing the M.2 2280 Solid-State Drive
26
Installing the M.2 2280 Solid-State Drive
27
M.2 Solid-State Drive Conversion Bracket
28
Replacing the M.2 Solid-State Drive Conversion Bracket
28
M.2 Solid-State Drive Conversion Plate
29
Removing the M.2 Solid-State Drive Conversion Plate
29
Installing the M.2 Solid-State Drive Conversion Plate
30
Hard-Disk Drive Assembly
31
Removing the Hard-Disk Drive Assembly
31
Removing the Hard-Disk Drive Bracket
32
Installing the Hard-Disk Drive Bracket
34
Installing the Hard-Disk Drive Assembly
35
WLAN Card
36
Removing the WLAN Card
36
Installing the WLAN Card
37
WWAN Card
38
Removing the WWAN Card
38
Installing the WWAN Card
39
System Fan
41
Removing the System Fan
41
Installing the System Fan
42
Battery
43
Removing the 3-Cell Battery
43
Installing the 3-Cell Battery
44
Removing the 4-Cell Battery
45
Installing the 4-Cell Battery
46
I/O Cable
48
Removing the I/O Cable
48
Installing the I/O Cable
48
Display Assembly
49
Removing the Display Assembly
49
Installing the Display Assembly
52
Display Panel
54
Removing the Display Panel
54
Installing the Display Panel
57
Display Bezel
60
Removing the Display Bezel
60
Installing the Display Bezel
61
Heatsink Assembly
62
Removing the Heatsink Assembly
62
Installing the Heatsink Assembly
62
Power Adapter Port
63
Removing the Power Adapter Port
63
Installing the Power Adapter Port
64
Coin-Cell Battery
65
Removing the Coin-Cell Battery
65
Installing the Coin-Cell Battery
66
USB Cable
67
Removing the USB Cable
67
Installing the USB Cable
68
Ethernet Port
69
Removing the Ethernet Port
69
Installing the Ethernet Port
70
I/O Board
71
Removing the I/O Board
71
Installing the I/O Board
72
Power Button
73
Removing the Power Button Without Fingerprint Reader
73
Installing the Power Button Without Fingerprint Reader
74
Removing the Power Button with Fingerprint Reader
75
Installing the Power Button with Fingerprint Reader
76
System Board
77
Removing the System Board
77
Installing the System Board
79
Speakers
83
Removing the Speaker
83
Installing the Speaker
84
Touchpad
85
Removing the Touchpad
85
Installing the Touchpad
86
WWAN I/O Board
87
Removing the WWAN I/O Board
87
Installing the WWAN I/O Board
87
Palmrest Assembly
88
Removing the Palmrest Assembly
88
Installing the Palmrest Assembly
89
Camera
91
Removing the Camera
91
Installing the Camera
91
Display Cable
92
Removing the Display Cable
92
Installing the Display Cable
93
Display Back-Cover
95
Removing the Display Back-Cover
95
Installing the Display Back-Cover
95
Chapter 3: Drivers and Downloads
97
Chapter 4: BIOS Setup
98
BIOS Overview
98
Entering BIOS Setup Program
98
Navigation Keys
98
One Time Boot Menu
99
System Setup Options
99
Updating the BIOS
109
Updating the BIOS in Windows
109
Updating the BIOS in Linux and Ubuntu
109
Updating the BIOS Using the USB Drive in Windows
109
Updating the BIOS from the F12 One-Time Boot Menu
110
System and Setup Password
111
Assigning a System Setup Password
111
Deleting or Changing an Existing System Setup Password
111
Clearing CMOS Settings
112
Clearing BIOS (System Setup) and System Passwords
112
Chapter 5: Troubleshooting
113
Handling Swollen Lithium-Ion Batteries
113
Dell Supportassist Pre-Boot System Performance Check Diagnostics
113
Running the Supportassist Pre-Boot System Performance Check
114
Built-In Self-Test (BIST)
114
M-Bist
114
LCD Power Rail Test (L-BIST)
115
LCD Built-In Self Test (BIST)
115
System-Diagnostic Lights
115
Recovering the Operating System
117
Real-Time Clock (RTC Reset)
117
Backup Media and Recovery Options
117
Wifi Power Cycle
118
Drain Residual Flea Power (Perform Hard Reset)
118
Chapter 6: Getting Help and Contacting Dell
119
Other manuals for Dell Latitude 3420
Setup And Specifications
23 pages
4
Based on 1 rating
Ask a question
Give review
Questions and Answers:
Need help?
Do you have a question about the Dell Latitude 3420 and is the answer not in the manual?
Ask a question
Dell Latitude 3420 Specifications
General
Harmonized System (HS) code
84713000
Related product manuals
Dell Latitude 3410
104 pages
Dell Latitude 3440
57 pages
Dell Latitude 3450
127 pages
Dell Latitude 3490
99 pages
Dell Latitude 3470
51 pages
Dell Latitude 3400
139 pages
Dell Latitude 3445 Chromebook
92 pages
Dell Latitude 3380
64 pages
Dell Latitude 3540
59 pages
Dell Latitude 3190
71 pages
Dell Latitude 3189
68 pages
Dell Latitude 3590
95 pages
To Next PageTo Next PageTo Previous PageTo Previous Page
Loading...
Need help?
General
