Latitude 7420 Setup and specifications guide Regulatory Model: P135G/P136G Regulatory Type: P135G001/P136G001 January 2021 Rev.
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. © 2021 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
Contents Chapter 1: Set up your Latitude 7420............................................................................................ 4 Chapter 2: Create a USB recovery drive for Windows.................................................................... 6 Chapter 3: Views of Latitude 7420.................................................................................................7 Right..................................................................................................................
1 Set up your Latitude 7420 1. Connect the power adapter and press the power button. NOTE: To conserve battery power, the battery might enter power saving mode. 2. Finish Windows system 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.
Table 1. Locate Dell apps (continued) Dell apps Details SupportAssist Proactively checks the health of your computer’s hardware and software. NOTE: Renew or upgrade your warranty by clicking the warranty expiry date in SupportAssist. Dell Update Updates your computer with critical fixes and important device drivers as they become available. Dell Digital Delivery Download software applications including software that is purchased but not preinstalled on your computer. 4.
2 Create a USB recovery drive for Windows Create a recovery drive to troubleshoot and fix problems that may occur with Windows. An empty USB flash drive with a minimum capacity of 16 GB is required to create the recovery drive. NOTE: This process may take up to an hour to complete. NOTE: The following steps may vary depending on the version of Windows installed. Refer to the Microsoft support site for latest instructions. 1. Connect the USB flash drive to your computer. 2. In Windows search, type Recovery.
3 Views of Latitude 7420 Topics: • • • • • • • Right Left Palmrest Display Bottom Modes Battery Charge and Status LED Right 1. micro-SD card slot 3. Thunderbolt 4 with Power Delivery/DisplayPort Alt Mode/USB 4 type-C 5. HDMI 2.0 port 2. micro-SIM card slot (optional with WWAN configuration only) 4. SuperSpeed USB 3.2 Gen 1 Type-A with PowerShare 6.
Left 1. Thunderbolt 4 with Power Delivery/DisplayPort Alt Mode/USB 4 type-C 3. Headset (headphone and microphone combo) port Palmrest 8 Views of Latitude 7420 2. Air vents 4.
1. Microphone array 3. Keyboard 2. Power button (optional with Fingerprint reader) 4. Touchpad Display 1. 3. 5. 7. 9. Proximity sensor (optional) RGB or IR Camera (optional) Camera status LED Ambient Light Sensor (ALS) (optional) LED indicator 2. 4. 6. 8.
Bottom 1. Speakers 2. Service tag label 3. Cooling vents Modes NOTE: The modes are applicable only to Latitude 7420 2-in-1 (an upsell option).
Tablet mode Laptop mode Views of Latitude 7420 11
Tent mode Stand mode 12 Views of Latitude 7420
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.
4 Specifications of Latitude 7420 Topics: • • • • • • • • • • • • • • • • • • • • Dimensions and weight Processor Chipset Operating system Memory External ports Internal slots Wireless module Audio Storage Media-card reader Keyboard Camera Touchpad Power adapter Battery Display Fingerprint reader in power button GPU—Integrated Operating and storage environment Dimensions and weight The following table lists the height, width, depth, and weight of your Latitude 7420. Table 3.
Table 3. Dimensions and weight (continued) Description Values ● 208.69 mm (8.22 in.) - Carbon Fiber (2-in-1) ● 208.69 mm (8.22 in.) - Aluminium (2-in-1) Weight (minimum) ● ● ● ● 1.22 kg (2.70 lb) - Carbon Fiber 1.31 kg (2.89 lb) - Aluminium 1.36 kg (3.00 lb) - Carbon Fiber (2-in-1) 1.46 kg (3.23 lb) - Aluminium (2-in-1) NOTE: The weight of your computer depends on the configuration ordered and manufacturing variability.
Operating system Your Latitude 7420 supports the following operating systems: ● Windows 10 Home (64-bit) ● Windows 10 Pro (64-bit) ● Ubuntu Linux 20.04 (64-bit) (available on laptop only) Memory Table 6.
Internal slots The following table lists the internal slots of your Latitude 7420. Table 8. Internal slots Description Values M.2 One M.2 2230/2280 Keyed M slot for solid-state drive NOTE: To learn more about the features of different types of M.2 cards, see the knowledge base article Article Number: 144170 at www.dell.com/support. Wireless module The following table lists the Wireless Local Area Network (WLAN) module that is supported on your Latitude 7420. Table 9.
Audio The following table lists the audio specifications of your Latitude 7420. Table 10.
Table 12. Media-card reader specifications (continued) Description Values Cards supported ● Micro Secure Digital (mSD) ● Micro Secure Digital High Capacity (mSDHC) ● Micro Secure Digital Extended Capacity (mSDXC) Keyboard Table 13. Keyboard specifications Description Values Type ● Non-backlit, Without Numberpad, Bottom Mount ● Backlit, Without Numberpad, Bottom Mount Layout QWERTY/KANJI Number of keys ● United States and Canada: 79 keys ● United Kingdom: 80 keys ● Japan: 83 keys Size X=19.
Table 14. Camera specifications (continued) Description Value Video 1280 x 720 at 30 fps 1280 x 720 at 30 fps 1280 x 720 at 30 fps 1280 x 720 at 30 fps 1920 x 1080 at 30 fps Diagonal viewing angle 74.9° 75.8° 78.6° 87° 87.6° Still Image NA 0.23 NA 0.23 0.23 Video NA 640 x 360 at 15 fps NA 640 x 360 at 15 fps 640 x 360 at 15 fps Diagonal viewing angle NA 75.8° 87° Resolution (IR): NA 87.6° Touchpad Table 15.
Table 16. Power adapter specifications (continued) Description Option one Option two ● 15 VDC ● 20 VDC ● 15 VDC ● 20 VDC Operating 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 to 158°F) -40°C to 70°C (-40°F to 158°F) Width (mm/inch) 112 mm (4.41 in.) 130 mm (5.1 in.) Depth (mm/inch) 51 mm (2.01 in.) 66 mm (2.6 in.) Height (mm/inch) 28 mm (1.1 in.) 22 mm (0.8 in.) 201 g (0.44 lb) 291 g (0.
Table 17. Battery specifications (continued) Specifications Option 1 Option 2 see, https://www.dell.
Table 18. Display specifications (continued) Description Values Megapixels 2.07 2.07 2.07 2.07 8.29 2.07 Pixels per Inch (PPI) 157 PPI 157 PPI 157 PPI 157 PPI 314.7 PPI 157 PPI Contrast Ratio (typ) 500:1 600:1 1000:1 600:1 1000:1 1000:1 Response Time (max) 35 ms 35 ms 35 ms 35 ms 40 ms 35 ms Refresh Rate 60 Hz 60 Hz 60 Hz 60 Hz 60 Hz 60 Hz Horizontal View Angle 80° 80° 80° 80° 80° 80° Vertical View Angle 80° 80° 80° 80° 80° 80° Pixel Pitch 0.161 x 0.
Operating and storage environment This table lists the operating and storage specifications of your Latitude 7420. Airborne contaminant level: G1 as defined by ISA-S71.04-1985 Table 21. Computer environment Description Operating Storage Temperature range 0°C to 35°C (32°F to 95°F) -40°C to 65°C (-40°F to 149°F) Relative humidity (maximum) 10% to 80% (non-condensing) 0% to 95% (non-condensing) Vibration (maximum) * 0.26 GRMS 1.37 GRMS Shock (maximum) 105 G† 40 G† Altitude range -15.
5 Keyboard shortcuts NOTE: Keyboard characters may differ depending on the keyboard language configuration. Keys that are used for shortcuts remain the same across all language configurations. Table 22.
6 Getting help Topics: • Contacting Dell Contacting Dell NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog. Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area. To contact Dell for sales, technical support, or customer service issues: 1. Go to Dell.com/support. 2.
