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Inspiron 5421
User Manuals: Dell Inspiron 5421 14" Laptop
Manuals and User Guides for Dell Inspiron 5421 14" Laptop. We have
5
Dell Inspiron 5421 14" Laptop manuals available for free PDF download: Service Manual, Owner's Manual, Setup And Specifications, Specifications
Dell Inspiron 5421 Service Manual (127 pages)
Brand:
Dell
| Category:
Laptop
| Size: 41.35 MB
Table of Contents
Table of Contents
3
Chapter 1: Working on Your Computer
7
Safety Instructions
7
Working Inside Your Computer
7
Entering Service Mode
9
Exiting Service Mode
10
After Working Inside Your Computer
10
Chapter 2: Removing and Installing Components
11
Recommended Tools
11
Screw List
12
Major Components of Your System
14
SIM Card Tray
15
Removing the SIM Card Tray
15
Installing the SIM Card
16
Micro Secure Digital (SD) Card
17
Removing the Microsd Card
17
Installing the Microsd Card
18
Base Cover
19
Removing the Base Cover
19
Installing the Base Cover
20
Wireless Card
22
Removing the Wireless Card
22
Installing the Wireless Card
23
Wireless Wide Area Network (WWAN) Card
25
Removing the WWAN Card
25
Installing the WWAN Card
26
Solid-State Drives
27
Removing the 2230 Solid-State Drive
27
Installing the 2230 Solid-State Drive
28
Removing the 2280 Solid-State Drive
30
Installing the 2280 Solid-State Drive
30
Memory
32
Removing the Memory Module
32
Installing the Memory Module
32
Battery
33
Lithium-Ion Battery Precautions
33
Removing the Battery
34
Installing the Battery
35
Battery Cable
36
Removing the Battery Cable
36
Installing the Battery Cable
36
Assembly Inner Frame
37
Removing the Assembly Inner Frame
37
Installing the Assembly Inner Frame
39
LED Board
40
Removing the LED Board
40
Installing the LED Board
41
Heat Sink and Fan Assembly
42
Removing the Heat Sink and Fan Assembly - UMA Configuration
42
Installing the Heat Sink and Fan Assembly - UMA Configuration
43
Removing the Heat Sink and Fan Assembly - Discrete Configuration
44
Installing the Heat Sink and Fan Assembly - Discrete Configuration
45
Speakers
46
Removing the Speakers
46
Installing the Speakers
47
USB Type-C Bracket
48
Removing the USB Type-C Bracket
48
Installing the USB Type-C Bracket
49
System Board
50
Removing the System Board
50
Installing the System Board
53
Power-Button Board
56
Removing the Power-Button Board
56
Installing the Power-Button Board
57
Smart Card Reader
58
Removing the Smart Card Reader
58
Installing the Smart Card Reader
60
Coin-Cell Battery
61
Removing the Coin-Cell Battery
61
Installing the Coin-Cell Battery
62
Keyboard Assembly
63
Removing the Keyboard Assembly
63
Installing the Keyboard Assembly
65
Keyboard Bracket
66
Removing the Keyboard Bracket
66
Installing the Keyboard Bracket
68
Display Assembly
69
Removing the Display Assembly
69
Installing the Display Assembly
71
Display Bezel
75
Removing the Display Bezel
75
Installing the Display Bezel
76
Display Panel
77
Removing the Display Panel
77
Installing the Display Panel
80
Camera/Microphone Module
85
Removing the Camera
85
Installing the Camera
85
Removing the Infrared Camera
86
Installing the Infrared Camera
87
Edp/Display Cable
88
Removing the Edp Cable
88
Installing the Edp Cable
89
Sensor Board
91
Removing the Sensor Board
91
Installing the Sensor Board
91
Display Hinges
92
Removing the Display Hinges
92
Installing the Display Hinges
93
Display Back Cover
95
Removing the Display Back Cover
95
Installing the Display Back Cover
96
Dummy SIM-Card Slot Filler
97
Removing the Dummy SIM-Card Slot Filler
97
Installing the Dummy SIM-Card Slot Filler
98
Palm-Rest Assembly
100
Removing the Palm-Rest Assembly
100
Installing the Palm-Rest Assembly
101
Chapter 3: Drivers and Downloads
104
Downloading the Drivers
104
Chapter 4: System Setup
105
BIOS Overview
105
Entering BIOS Setup Program
105
Navigation Keys
105
One Time Boot Menu
106
System Setup Options
106
Updating the BIOS
116
Updating the BIOS in Windows
116
Updating the BIOS in Linux and Ubuntu
117
Updating the BIOS Using the USB Drive in Windows
117
Updating the BIOS from the F12 One-Time Boot Menu
117
System and Setup Password
118
Assigning a System Setup Password
118
Deleting or Changing an Existing System Setup Password
119
Clearing CMOS Settings
119
Clearing BIOS (System Setup) and System Passwords
120
Chapter 5: Troubleshooting
121
Handling Swollen Lithium-Ion Batteries
121
Dell Supportassist Pre-Boot System Performance Check Diagnostics
122
Running the Supportassist Pre-Boot System Performance Check
122
Built-In Self-Test (BIST)
122
M-Bist
122
LCD Power Rail Test (L-BIST)
123
LCD Built-In Self Test (BIST)
123
System Diagnostic Lights
124
Recovering the Operating System
125
Real-Time Clock (RTC Reset)
125
Backup Media and Recovery Options
125
Wifi Power Cycle
126
Drain Residual Flea Power (Perform Hard Reset)
126
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Dell Inspiron 5421 Service Manual (124 pages)
Brand:
Dell
| Category:
Laptop
| Size: 41.33 MB
Table of Contents
Table of Contents
3
Chapter 1: Working on Your Computer
6
Safety Instructions
6
Working Inside Your Computer
6
Entering Service Mode
8
Exiting Service Mode
9
After Working Inside Your Computer
9
Chapter 2: Removing and Installing Components
10
Recommended Tools
10
Screw List
11
Major Components of Your System
13
SIM Card Tray
14
Removing the SIM Card Tray
14
Installing the SIM Card
15
Micro Secure Digital (SD) Card
16
Removing the Microsd Card
16
Installing the Microsd Card
17
Base Cover
18
Removing the Base Cover
18
Installing the Base Cover
19
Wireless Card
21
Removing the Wireless Card
21
Installing the Wireless Card
22
Wireless Wide Area Network (WWAN) Card
24
Removing the WWAN Card
24
Installing the WWAN Card
25
Solid-State Drives
26
Removing the 2230 Solid-State Drive
26
Installing the 2230 Solid-State Drive
27
Removing the 2280 Solid-State Drive
29
Installing the 2280 Solid-State Drive
29
Memory
31
Removing the Memory Module
31
Installing the Memory Module
31
Battery
32
Lithium-Ion Battery Precautions
32
Removing the Battery
33
Installing the Battery
34
Battery Cable
35
Removing the Battery Cable
35
Installing the Battery Cable
35
Assembly Inner Frame
36
Removing the Assembly Inner Frame
36
Installing the Assembly Inner Frame
38
LED Board
39
Removing the LED Board
39
Installing the LED Board
40
Heat Sink and Fan Assembly
41
Removing the Heat Sink and Fan Assembly - UMA Configuration
41
Installing the Heat Sink and Fan Assembly - UMA Configuration
42
Removing the Heat Sink and Fan Assembly - Discrete Configuration
43
Installing the Heat Sink and Fan Assembly - Discrete Configuration
44
Speakers
45
Removing the Speakers
45
Installing the Speakers
46
USB Type-C Bracket
47
Removing the USB Type-C Bracket
47
Installing the USB Type-C Bracket
48
System Board
49
Removing the System Board
49
Installing the System Board
52
Power-Button Board
55
Removing the Power-Button Board
55
Installing the Power-Button Board
56
Smart Card Reader
57
Removing the Smart Card Reader
57
Installing the Smart Card Reader
59
Coin-Cell Battery
60
Removing the Coin-Cell Battery
60
Installing the Coin-Cell Battery
61
Keyboard Assembly
62
Removing the Keyboard Assembly
62
Installing the Keyboard Assembly
64
Keyboard Bracket
65
Removing the Keyboard Bracket
65
Installing the Keyboard Bracket
67
Display Assembly
68
Removing the Display Assembly
68
Installing the Display Assembly
70
Display Bezel
74
Removing the Display Bezel
74
Installing the Display Bezel
75
Display Panel
76
Removing the Display Panel
76
Installing the Display Panel
79
Camera/Microphone Module
84
Removing the Camera
84
Installing the Camera
84
Removing the Infrared Camera
85
Installing the Infrared Camera
86
Edp/Display Cable
87
Removing the Edp Cable
87
Installing the Edp Cable
88
Sensor Board
90
Removing the Sensor Board
90
Installing the Sensor Board
90
Display Hinges
91
Removing the Display Hinges
91
Installing the Display Hinges
92
Display Back Cover
94
Removing the Display Back Cover
94
Installing the Display Back Cover
95
Dummy SIM-Card Slot Filler
96
Removing the Dummy SIM-Card Slot Filler
96
Installing the Dummy SIM-Card Slot Filler
97
Palm-Rest Assembly
99
Removing the Palm-Rest Assembly
99
Installing the Palm-Rest Assembly
100
Chapter 3: Drivers and Downloads
103
Downloading the Drivers
103
Chapter 4: System Setup
104
BIOS Overview
104
Entering BIOS Setup Program
104
Navigation Keys
104
Boot Sequence
105
Advanced or Engineering Configurations
105
Supportassist System Resolution
105
System Setup Options
106
Updating the BIOS in Windows
116
Updating BIOS on Systems with Bitlocker Enabled
116
Updating the Dell BIOS in Linux and Ubuntu Environments
117
Flashing BIOS (USB Key)
117
System and Setup Password
117
Assigning a System Setup Password
117
Deleting or Changing an Existing System Setup Password
118
Chapter 5: Troubleshooting
119
Handling Swollen Lithium-Ion Batteries
119
Dell Supportassist Pre-Boot System Performance Check Diagnostics
120
Running the Supportassist Pre-Boot System Performance Check
120
System Diagnostic Lights
120
Recovering the Operating System
122
Flashing BIOS (USB Key)
122
Flashing the BIOS
122
Wifi Power Cycle
123
Flea Power Release
123
Chapter 6: Getting Help
124
Contacting Dell
124
Dell Inspiron 5421 Owner's Manual (73 pages)
Owner's Manual
Brand:
Dell
| Category:
Laptop
| Size: 3.3 MB
Table of Contents
Table of Contents
3
Before You Begin
9
Turn off Your Computer and Connected Devices
9
Safety Instructions
10
Recommended Tools
10
After Working Inside Your Computer
11
Removing the Battery
12
Procedure
12
Replacing the Battery
13
Procedure
13
Removing the Optical Drive
14
Prerequisites
14
Procedure
14
Replacing the Optical Drive
16
Procedure
16
Postrequisites
16
Removing the Keyboard
17
Prerequisites
17
Procedure
17
Replacing the Keyboard
20
Procedure
20
Postrequisites
20
Removing the Base Cover
21
Prerequisites
21
Procedure
21
Replacing the Base Cover
22
Procedure
22
Postrequisites
22
Removing the Memory Module(S)
23
Prerequisites
23
Procedure
23
Replacing the Memory Module(S)
24
Postrequisites
24
Procedure
24
Prerequisites
25
Removing the Hard Drive
25
Procedure
26
Replacing the Hard Drive
28
Postrequisites
28
Procedure
28
Removing the Wireless Mini-Card
29
Prerequisites
29
Procedure
29
Replacing the Wireless Mini-Card
31
Postrequisites
31
Procedure
31
Removing the Palm-Rest
32
Prerequisites
32
Procedure
32
Replacing the Palm-Rest
36
Postrequisites
36
Procedure
36
Removing the Coin-Cell Battery
37
Prerequisites
37
Procedure
38
Postrequisites
39
Procedure
39
Prerequisites
40
Procedure
41
Postrequisites
42
Procedure
42
Prerequisites
43
Procedure
44
Postrequisites
46
Procedure
46
Prerequisites
47
Procedure
48
Postrequisites
50
Procedure
50
Prerequisites
52
Procedure
53
Replacing the Thermal-Cooling Assembly
54
Postrequisites
54
Procedure
54
Prerequisites
55
Procedure
56
Postrequisites
57
Procedure
57
Prerequisites
58
Procedure
59
Postrequisites
60
Procedure
60
Removing the Display Bezel
61
Prerequisites
61
Procedure
62
Postrequisites
63
Procedure
63
Prerequisites
64
Procedure
65
Postrequisites
66
Procedure
66
Removing the Display Panel
67
Prerequisites
67
Procedure
68
Procedure
69
Postrequisites
69
Prerequisites
70
Procedure
71
Procedure
72
Postrequisites
72
Flashing the BIOS
73
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Dell Inspiron 5421 Setup And Specifications (25 pages)
Brand:
Dell
| Category:
Laptop
| Size: 1.51 MB
Table of Contents
Table of Contents
3
Chapter 1: Set up Your Latitude 5421
4
Chapter 2: Views of Latitude 5421
6
Right
6
Left
7
Front
8
Base
9
Top
10
Rear
11
Battery Charge and Status LED
11
Chapter 3: Specifications of Latitude 5421
12
Dimensions and Weight
12
Processor
13
Chipset
13
Operating System
13
Memory
14
External Ports
14
Internal Slots
15
Ethernet
15
Wireless Module
15
WWAN Module
16
Audio
16
Storage
17
Media-Card Reader
17
Keyboard
17
Camera
18
Clickpad
19
Power Adapter
19
Battery
20
Display
21
Fingerprint Reader (Optional)
22
GPU-Integrated
22
GPU-Discrete
23
Operating and Storage Environment
23
Sensor and Control
23
Chapter 4: Keyboard Shortcuts
24
Chapter 5: Getting Help
25
Contacting Dell
25
Dell Inspiron 5421 Specifications (8 pages)
Brand:
Dell
| Category:
Laptop
| Size: 0.14 MB
Table of Contents
Specifications
1
System Information
2
Ports and Connectors
3
Media Card Reader
4
Power Adapter
6
Computer Environment
7
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