Table of Contents

Advertisement

Latitude 7490
Owner's Manual
Regulatory Model: P73G
Regulatory Type: P73G002
August 2021
Rev. A04

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the P73G002 and is the answer not in the manual?

Questions and answers

Summarization of Contents

Working on your computer
Safety precautions
Details primary steps for safe disassembly and reassembly procedures.
Electrostatic discharge—ESD protection
Explains ESD risks and protection methods for electronic components.
Before working inside your computer
Lists essential pre-operational checks before computer disassembly.
After working inside your computer
Details post-disassembly procedures for reassembly and verification.
Removing and installing components
Recommended tools
Lists essential tools required for component removal and installation procedures.
Screw size list
Provides a table detailing screw sizes for various computer components.
Subscriber identification module card
Instructions for removing and replacing the SIM card tray.
Base cover
Detailed steps for removing and installing the computer's base cover.
Battery
Precautions and procedures for removing and installing the lithium-ion battery.
Solid state drive
Instructions for removing and installing the SSD, including bracket details.
Speaker
Steps for removing and installing the speaker module, including cable routing.
Coin cell battery
Procedure for removing and installing the coin cell battery.
WWAN card
Steps for removing and installing the WWAN card, including bracket removal.
WLAN card
Procedure for removing and installing the WLAN card and its bracket.
Memory modules
Instructions for removing and installing memory modules (RAM).
Heat sink
Steps for removing and installing the heat sink and fan assembly.
LED board
Procedure for removing and installing the LED board.
Smart card cage
Instructions for removing and installing the smart card cage.
Touchpad buttons board
Steps for removing and installing the touchpad buttons board.
Power connector port
Procedure for removing and installing the power connector port.
Display Assembly
Detailed steps for removing and installing the entire display assembly.
Touch display panel
Procedure for removing and installing the touch-enabled display panel.
Display Bezel
Steps for removing and installing the display bezel for nontouch configurations.
Nontouch display panel
Procedure for removing and installing the nontouch display panel.
Camera Microphone Module
Steps for removing and installing the camera and microphone module.
Display Hinge Caps
Procedure for removing and installing the display hinge caps.
System board
Detailed instructions for removing and installing the system board.
Keyboard
Procedures for removing and installing the keyboard assembly.
Palm rest
Steps for replacing the palm rest assembly.
Technology and components
DDR4
Details DDR4 memory technology, its features, and differences from DDR3.
HDMI 1.4
Explains HDMI 1.4 technology, features, and advantages.
USB features
Overview of USB evolution, standards, and features.
USB Type-C
Describes the USB Type-C connector, its capabilities, and power delivery.
Thunderbolt over USB Type-C
Explains Thunderbolt 3 integration with USB Type-C and its key features.
System specifications
Technical specifications
Provides detailed technical specifications for the computer's hardware components.
Hot key combinations
Lists function key combinations and their corresponding system actions.
System setup
BIOS overview
Explains the role and function of the BIOS in system management.
Entering BIOS setup program
Step-by-step guide on how to access the BIOS setup utility.
Navigation keys
Details the keys used to navigate and interact within the BIOS setup menu.
One time boot menu
Instructions on accessing the one-time boot menu for selecting boot devices.
General screen options
Lists primary hardware features and system information configurable in BIOS.
System Configuration screen options
Options for configuring integrated network, SATA, drives, and SMART reporting.
Video screen options
Settings related to display brightness and video configuration.
Security screen options
Options for setting administrator, system, and hard drive passwords.
Secure Boot screen options
Configuration settings for Secure Boot and expert key management.
Intel software guard extensions screen options
Options for configuring Intel SGX for secure code execution.
Performance screen options
Settings to optimize processor performance, including multi-core and speed step.
Power management screen options
Controls for AC behavior, Intel speed shift, auto-on time, and USB wake support.
POST behavior screen options
Settings related to power-on self-test behavior and adapter warnings.
Manageability
Options for managing system features like USB provision and MEBx Hotkey.
Virtualization support screen options
Settings for enabling Intel Virtualization Technology and Trusted Execution.
Wireless screen options
Configuration for wireless devices like WLAN, WWAN, and Bluetooth.
Maintenance screen options
Options for service tag, BIOS downgrade, data wipe, and BIOS recovery.
System logs screen options
Tools to view and clear system logs like BIOS, Thermal, and Power events.
Admin and System password
Procedures for assigning and managing system and administrator passwords.
Updating the BIOS
Instructions for updating the system BIOS via Windows, Linux, or USB.
System and setup password
Details on system and setup password types and their security implications.
Clearing CMOS settings
Steps to clear CMOS settings, resetting BIOS to default.
Clearing BIOS (System Setup) and System passwords
Information on clearing BIOS and system passwords via technical support.
Software
Supported operating systems
Lists the operating systems supported by the system.
Downloading Windows drivers
Instructions on how to download and install drivers from the Dell support website.
Chipset driver
Guidance on verifying and installing chipset and management engine interface drivers.
Video driver
Instructions for verifying and installing video drivers.
Audio driver
Guidance on verifying and installing audio drivers.
Network driver
Information on verifying and installing network drivers for LAN and WiFi.
USB driver
Instructions for verifying and installing USB drivers.
Storage driver
Guidance on verifying and installing storage controller drivers.
Other drivers
Lists other drivers and components requiring verification in Device Manager.
Troubleshooting
Handling swollen Lithium-ion batteries
Guidelines for safely handling and replacing swollen lithium-ion batteries.
Dell Enhanced Pre-Boot System Assessment ePSA Diagnostic 3.0
Details on using the ePSA diagnostic tool for system assessment.
Built-in self-test (BIST)
Explains the M-BIST and L-BIST self-tests for system board and LCD diagnostics.
Diagnostic LED behavior
Interprets diagnostic LED blinking patterns and suggests resolutions.
Recovering the operating system
Steps for using SupportAssist OS Recovery to fix boot issues.
Real Time Clock reset
Procedure to reset the Real Time Clock (RTC) for system recovery.
Backup media and recovery options
Recommendations for creating backup media for Windows recovery.
WiFi power cycle
Procedure to troubleshoot WiFi connectivity issues by cycling power.
Drain residual flea power (perform hard reset)
Steps to drain residual power for component safety and troubleshooting.
Getting help and contacting Dell
Self-help resources
Lists resources for obtaining information and support for Dell products.
Contacting Dell
Information on how to contact Dell for sales, technical support, or service issues.

Table of Contents

Save PDF