Dell Latitude 9420 Operation and maintenance manual

Latitude 9420/Latitude 9420 2-in-1
Setup and Specifications
Regulatory Model: P141G/P142G
Regulatory Type: P141G001/P142G001
June 2023
Rev. A04

Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid
the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 2023 Dell Inc. or its subsidiaries. All rights reserved. Dell Technologies, Dell, and other trademarks are trademarks of Dell Inc. or its
subsidiaries. Other trademarks may be trademarks of their respective owners.

Chapter 1: Set up your Latitude 9420............................................................................................ 4
Chapter 2: Views of Latitude 9420................................................................................................ 6
Right....................................................................................................................................................................................... 6
Left..........................................................................................................................................................................................6
Top.......................................................................................................................................................................................... 7
Front....................................................................................................................................................................................... 8
Bottom................................................................................................................................................................................... 9
Modes.....................................................................................................................................................................................9
Battery Charge and Status LED ....................................................................................................................................12
Chapter 3: Specifications of Latitude 9420.................................................................................. 13
Dimensions and weight..................................................................................................................................................... 13
Processor............................................................................................................................................................................. 13
Chipset..................................................................................................................................................................................14
Operating system...............................................................................................................................................................14
Memory.................................................................................................................................................................................14
External ports..................................................................................................................................................................... 15
Internal slots........................................................................................................................................................................15
Wireless module..................................................................................................................................................................15
WWAN module....................................................................................................................................................................16
Audio..................................................................................................................................................................................... 16
Storage................................................................................................................................................................................. 17
Media-card reader..............................................................................................................................................................17
Keyboard.............................................................................................................................................................................. 17
Camera................................................................................................................................................................................. 18
Touchpad............................................................................................................................................................................. 18
Power adapter.................................................................................................................................................................... 19
Battery..................................................................................................................................................................................19
Display..................................................................................................................................................................................20
Fingerprint reader (optional)........................................................................................................................................... 21
Sensor ..................................................................................................................................................................................21
GPU—Integrated.............................................................................................................................................................. 22
Operating and storage environment.............................................................................................................................22
Chapter 4: Dell Optimizer............................................................................................................ 23
Chapter 5: SafeShutter .............................................................................................................. 24
Chapter 6: Dell low blue light display...........................................................................................25
Chapter 7: Keyboard shortcuts.................................................................................................... 26
Chapter 8: Getting help and contacting Dell................................................................................ 28
Contents
Contents 3

Set up your Latitude 9420
NOTE: The images in this document may differ from your computer depending on the configuration you ordered.
1. Connect the power adapter and press the power button.
NOTE: The battery may go into power-saving mode during shipment to conserve charge on the battery. Ensure that the
power adapter is connected to your computer when it is turned on for the first time.
2. Finish Windows setup.
Follow the on-screen instructions to complete the setup. When setting up, Dell recommends that you:
●Connect to a network for Windows updates.
NOTE: If connecting to a secured wireless network, enter the password for the wireless network access when
prompted.
●If connected to the Internet, sign in with or create a Microsoft account. If not connected to the Internet, create an
offline account.
●On the Support and Protection screen, enter your contact details.
3. Locate and use Dell apps from the Windows Start menu—Recommended.
Table 1. Locate Dell apps
Resources Description
Dell Product Registration
Register your computer with Dell.
Dell Help & Support
Access help and support for your computer.
1
4 Set up your Latitude 9420

Table 1. Locate Dell apps (continued)
Resources Description
SupportAssist
SupportAssist is the smart technology that keeps your computer running at its best by optimizing
settings, detecting issues, removing viruses and notifies when you need to make system
updates. SupportAssist proactively checks the health of your system's hardware and software.
When an issue is detected, the necessary system state information is sent to Dell to begin
troubleshooting. SupportAssist is preinstalled on most of the Dell devices running Windows
operating system. For more information, see SupportAssist for Home PCs User's Guide on
www.dell.com/serviceabilitytools.
NOTE: In SupportAssist, click the warranty expiry date to renew or upgrade your warranty.
Dell Update
Updates your computer with critical fixes and latest device drivers as they become available.
For more information about using Dell Update, see the knowledge base article SLN305843 at
www.dell.com/support.
Dell Digital Delivery
Download software applications, which are purchased but not pre-installed on your computer.
For more information about using Dell Digital Delivery, see the knowledge base article 153764 at
www.dell.com/support.
Set up your Latitude 9420 5

Views of Latitude 9420
Right
1. Antenna (WWAN only)
2. Air vents
3. USB 3.2 Gen 1 port with PowerShare
Left
1. Wedge-shaped lock slot 2. HDMI 2.0 port
3. Two Thunderbolt 4 ports with DisplayPort Alt Mode/USB4/
Power Delivery
4. microSIM slot (WWAN only)
5. microSD-card slot 6. Universal audio port
7. Antenna (WWAN only)
2
6 Views of Latitude 9420

Top
1. Quad-array microphones 2. Power button with optional fingerprint reader
3. Right speaker 4. Clickpad
5. Left speaker
Views of Latitude 9420 7

Front
1. Proximity Sensors 2. Ambient-light sensor
3. IR Camera light 4. Camera-status light
5. Camera (RGB/IR) with SafeShutter 6. IR Camera light
7. Display 8. Battery-status light/Diagnostic-status light
8 Views of Latitude 9420

Bottom
1. Speakers
2. Air vents
3. Service tag label
Modes
NOTE: The modes are applicable to 2-in-1 only.
Views of Latitude 9420 9

Notebook
Tablet
10 Views of Latitude 9420

Stand
Tent
Views of Latitude 9420 11

Battery Charge and Status LED
Table 2. Battery Charge and Status LED Indicator
Power Source LED Behavior System Power State Battery Charge Level
AC Adapter Off S0 - S5 Fully Charged
AC Adapter Solid White S0 - S5 < Fully Charged
Battery Off S0 - S5 11-100%
Battery Solid Amber (590+/-3 nm) S0 - S5 < 10%
●S0 (ON) - System is turned on.
●S4 (Hibernate) - The system consumes the least power compared to all other sleep states. The system is almost at an OFF
state, expect for a trickle power. The context data is written to hard drive.
●S5 (OFF) - The system is in a shutdown state.
12 Views of Latitude 9420

Specifications of Latitude 9420
Dimensions and weight
The following table lists the height, width, depth, and weight of your Latitude 9420.
Table 3. Dimensions and weight
Description Values
Height:
Front height 8.42 mm (0.33 in.)
Rear height 13.91 mm (0.54 in.)
Width 310.59 mm (12.22 in.)
Depth 215.18 mm (8.47 in.)
Weight ●Laptop: 1.27 kg (2.8 lb)
●2-in-1: 1.4 kg (3.2 lb)
NOTE: The weight of your computer depends on the
configuration ordered and manufacturing variability.
Processor
The following table lists the details of the processors supported by your Latitude 9420.
NOTE: Processor numbers are not a measure of performance. Processor availability subject to change and may vary by
region/country.
Table 4. Processor
Processor Wattage Core
count
Thread
count
Speed Cache Integrated graphics
11th Generation Intel Core
i5-1135G7
28 W 4 8 2.40 GHz to 4.20
GHz
8 MB Intel Iris XeGraphics
11th Generation Intel Core
i5-1145G7
28 W 4 8 2.60 GHz to 4.40
GHz
8 MB Intel Iris XeGraphics
11th Generation Intel Core
i7-1185G7
28 W 4 8 3.00 GHz to 4.80
GHz
12 MB Intel Iris XeGraphics
3
Specifications of Latitude 9420 13

Chipset
The following table lists the details of the chipset supported by your Latitude 9420
Table 5. Chipset
Description Values
Chipset Integrated with the processor
Processor 11th Generation Intel Core i5/i7 processors
DRAM bus width 64-bit
Flash EPROM 32 MB
PCIe bus Up to Gen4
Operating system
Your Latitude 9420 supports the following operating systems:
●Windows 11 Home, 64-bit
●Windows 11 Pro, 64-bit
●Windows 11 Pro National Academic, 64-bit
●Windows 10 Home, 64-bit
●Windows 10 Pro, 64-bit
●Windows 10 Pro Education, 64-bit
●Windows 10 Enterprise, 64-bit
●Ubuntu 20.04 LTS, 64-bit
Memory
The following table lists the memory specifications of your Latitude 9420.
Table 6. Memory specifications
Description Values
Memory slots Integrated
NOTE: This is not upgradeable.
Memory type LPDDR4x
Memory speed 4266 MHz
Maximum memory configuration 32 GB
Minimum memory configuration 8 GB
Memory size per channel 8 GB, 16 GB, 32 GB
Memory configurations supported ●8 GB, LPDDR4x, SDRAM, 4266 MT/s, dual-channel,
integrated
●16 GB, LPDDR4x, SDRAM, 4266 MT/s, dual-channel,
integrated
●32 GB, LPDDR4x, SDRAM, 4266 MT/s, dual-channel,
integrated
14 Specifications of Latitude 9420

External ports
The following table lists the external ports on your Latitude 9420.
Table 7. External ports
Description Values
USB ports ●One USB 3.2 Gen 1 port with PowerShare
●Two Thunderbolt 4 ports with DisplayPort Alt Mode/
USB4/Power Delivery
Audio port One universal audio port
Video port/ports One HDMI 2.0 port
Media-card reader One microSD-card slot
Power-adapter port Type-C power input
Security-cable slot One wedge-shaped lock slot
Internal slots
The following table lists the internal slots of your Latitude 9420.
Table 8. Internal slots
Description Values
M.2 ●On-board Wi-Fi and Bluetooth
●One M.2 3042 slot for WWAN
●One M.2 2230 slot for solid-state drive (SSD)
NOTE: To learn more about the features of different
types of M.2 cards, search in the Knowledge Base
Resource at www.dell.com/support.
Wireless module
The following table lists the onboard Wireless Local Area Network (WLAN) module supported on your Latitude 9420.
Table 9. Wireless module
Description Values
Model number Intel AX210
Transfer rate Up to 2.40 Gbps
Frequency bands supported 2.4 GHz/5.0 GHz/6.0 GHz
Wireless standards Wi-Fi 6E (WiFi 802.11ax)
NOTE: The WLAN configuration above is available only
in specific regions. Hence, the performance in certain
regions may vary.
Encryption ●64-bit/128-bit WEP
Specifications of Latitude 9420 15

Table 9. Wireless module (continued)
Description Values
●AES-CCMP
●TKIP
Bluetooth Bluetooth 5.2
WWAN module
The following table lists the Wireless Wide Area Network (WWAN) module supported on your Latitude 9420.
Table 10. WWAN module specifications
Description Option one Option two
Model number Qualcomm Snapdragon X20 Global
Gigabite LTE
Qualcomm Snapdragon X55 Global
Gigabite NR/LTE
Transfer rate Up to 1 Gbps DL/150 Mbps UL (CAT 16) Up to 3Gbps DL/250 Mbps UL (3GPP
Release15 NR/LTE CAT 20)
Frequency bands supported (1,2,3,4,5,7,8,12,13,14,17,18,19,20,25,26,2
8,29,30,32,38,39,40,41,42,43,46,66),
HSPA+ (1, 2, 4, 5,6, 8, 9, 19)
NR
(1,2,3,5,7,8,12,20,28,38,41,66,71,77,78,79
)
LTE
(1,2,3,4,5,7,8,12,13,14,17,18,19,20,25,26,2
8,29,30,32,34,38,39,40,41,42,46,48, 66)
HSPA+ (1,2,4,5,6,8,9,19)
NOTE: For instructions on how to find your computer's IMEI (International Mobile Station Equipment Identity) number, see
the knowledge base article 000143678 at www.dell.com/support.
Audio
The following table lists the audio specifications of your Latitude 9420.
Table 11. Audio specifications
Description Values
Audio controller Realtek ALC711-CG
Stereo conversion Supported, 24-bit DAC (Digital-to-Analog) and ADC (Analog-
to-Digital)
Internal audio interface SoundWire interface
External audio interface Universal audio jack
Number of speakers Four
Internal-speaker amplifier Realtek ALC1319D
External volume controls Keyboard shortcut controls
Speaker output:
Average speaker output 8 W
16 Specifications of Latitude 9420

Table 11. Audio specifications (continued)
Description Values
Peak speaker output 10 W
Subwoofer output Supported
Microphone Quad-array microphone
Storage
This section lists the storage options on your Latitude 9420.
Your computer supports one M.2 2230 solid-state drive:
●One M.2 2230 solid-state drive
Table 12. Storage specifications
Storage type Interface type Capacity
M.2 2230, Class 35 solid-state drive Gen 3 PCIe x4 NVMe Up to 1 TB
M.2 2230, Class 35 solid-state drive,
Self-encrypting drive
Gen 3 PCIe x4 NVMe Up to 256 GB
Media-card reader
The following table lists the media cards supported by your Latitude 9420.
Table 13. Media-card reader specifications
Description Values
Media-card type One microSD-card slot
Media-cards supported ●micro-Secure Digital (mSD)
●micro-Secure Digital High Capacity (mSDHC)
●micro-Secure Digital Extended Capacity (mSDXC)
NOTE: The maximum capacity supported by the media-card reader varies depending on the standard of the media card
installed in your computer.
Keyboard
The following table lists the keyboard specifications of your Latitude 9420.
Table 14. Keyboard specifications
Description Values
Keyboard type Backlit keyboard
Keyboard layout QWERTY
Number of keys ●United States and Canada:79 keys
●United Kingdom: 80 keys
●Japan: 83 keys
Specifications of Latitude 9420 17

Table 14. Keyboard specifications (continued)
Description Values
Keyboard size X=19.05 mm key pitch
Y=18.05 mm key pitch
Keyboard shortcuts Some keys on your keyboard have two symbols on them.
These keys can be used to type alternate characters or to
perform secondary functions. To type the alternate character,
press Shift and the desired key. To perform secondary
functions, press Fn and the desired key.
NOTE: You can define the primary behavior of the
function keys (F1–F12) changing Function Key Behavior in
BIOS setup program. For more information, see Keyboard
shortcuts.
Camera
The following table lists the camera specifications of your Latitude 9420.
Table 15. Camera specifications
Description Values
Number of cameras One
Camera type HD RGB Infrared camera
Camera location Front camera
Camera sensor type CMOS-sensor technology
Camera resolution:
Still image 0.92 megapixel
Video 1280 x 720 (HD) at 30 fps
Infrared camera resolution:
Still image 0.23 megapixel
Video 640 x 360 at 15 fps
Diagonal viewing angle:
Camera 78 degrees
Infrared camera 78 degrees
Touchpad
The following table lists the touchpad specifications of your Latitude 9420.
Table 16. Touchpad specifications
Description Values
Touchpad resolution: >=300dpi
18 Specifications of Latitude 9420

Table 16. Touchpad specifications (continued)
Description Values
Touchpad dimensions:
Horizontal 116 mm (4.56 in.)
Vertical 72 mm (2.83 in.)
Touchpad gestures For more information about touchpad gestures available on
Windows, see the Microsoft knowledge base article 4027871
at support.microsoft.com.
Power adapter
The following table lists the power adapter specifications of your Latitude 9420.
Table 17. Power adapter specifications
Description Option one Option two Option three
Type 60 W AC adapter, USB-C 65 W AC adapter, USB-C 90 W AC adapter, USB-C
Input voltage 100 VAC—240 VAC 100 VAC—240 VAC 100 VAC—240 VAC
Input
frequency 50 Hz—60 Hz 50 Hz—60 Hz 50 Hz—60 Hz
Input current
(maximum) 1.70 A 1.70 A 1.50 A
Output
current
(continuous)
●20 V/3.25 A (Continuous)
●15 V/3 A (Continuous)
●9.0 V/3 A (Continuous
●5.0 V/3 A (Continuous)
●20 V/3.25 A (Continuous)
●15 V/3 A (Continuous)
●9.0 V/3 A (Continuous
●5.0 V/3 A (Continuous)
●20 V/4.5 A (Continuous)
●15 V/3 A (Continuous)
●9.0 V/3 A (Continuous
●5.0 V/3 A (Continuous)
Rated output
voltage 20 VDC/15 VDC/9 VDC/5 VDC 20 VDC/15 VDC/9 VDC/5 VDC 20 VDC/15 VDC/9 VDC/5 VDC
Temperature
range:
Operating 0 °C to 40 °C (32 °F to 104 °F) 0 °C to 40 °C (32 °F to 104 °F) 0 °C to 40 °C (32 °F to 104 °F)
Storage -40 °C to 70 °C (-40 °F 158 °F) -40 °C to 70 °C (-40 °F 158 °F) -40 °C to 70 °C (-40 °F 158 °F)
CAUTION: Operating and storage temperature ranges may differ among components, so operating or storing
the device outside these ranges may impact the performance of specific components.
Battery
The following table lists the battery specifications of your Latitude 9420.
Table 18. Battery specifications
Description Option one Option two
Battery type 2-cell, 39.7 WHr, ExpressChargeBoost 3-cell, 59.6 WHr, ExpressChargeBoost
Battery voltage 7.70 VDC 11.40 VDC
Specifications of Latitude 9420 19

Table 18. Battery specifications (continued)
Description Option one Option two
Battery weight (maximum) 0.19 kg (0.41 lb) 0.26 kg (0.57 lb)
Battery dimensions:
Height 250.70 mm (9.87 in.) 250.70 mm (9.87 in.)
Width 89.18 mm (3.50 in.) 89.18 mm (3.50 in.)
Depth 6.17 mm (0.24 in.) 6.17 mm (0.24 in.)
Temperature range:
Operating ●Charge: 0 °C to 50 °C (32 °F to
122 °F)
●Discharge: 0°C to 70°C (32°F to
158°F)
●Charge: 0 °C to 50 °C (32 °F to 122
°F)
●Discharge: 0°C to 70°C (32°F to
158°F)
Storage -20 °C to 60 °C (-4 °F to 140 °F) -20 °C to 60 °C (-4 °F to 140 °F)
Battery operating time Varies depending on operating
conditions and can significantly
reduce under certain power-intensive
conditions.
Varies depending on operating conditions
and can significantly reduce under certain
power-intensive conditions.
Battery charging time (approximate)
NOTE: Control the charging time,
duration, start and end time, and so
on using the Dell Power Manager
application. For more information on
the Dell Power Manager see, Me and
My Dell on www.dell.com.
4 hours (when the computer is off) 4 hours (when the computer is off)
CAUTION: Operating and storage temperature ranges may differ among components, so operating or storing
the device outside these ranges may impact the performance of specific components.
Display
The following table lists the display specifications of your Latitude 9420.
Table 19. Display specifications
Description Option one Option two
Display type 14-inch, Full High Definition (FHD+) 14-inch, Quad High Definition (QHD+)
Display-panel technology Low blue light (LBL) Low blue light (LBL)
Display-panel dimensions (active area):
Height 188.49 mm (7.42 in.) 188.49 mm (7.42 in.)
Width 301.59 mm (11.87 in.) 301.59 mm (11.87 in.)
Diagonal 355.64 mm (14.00 in.) 355.64 mm (14.00 in.)
Display-panel native resolution 1920 x 1200 2560 x 1600
Luminance (typical) 500 nits 500 nits
20 Specifications of Latitude 9420