Dell Precision 5540 - User Manual

Precision 5540
Service Manual
Regulatory Model: P56F
Regulatory Type: P56F005
September 2021
Rev. A06

Summary

Working on your computer

Safety instructions

Guidelines to protect your computer from potential damage and ensure personal safety.

Before working inside your computer

Preparation steps before beginning any internal work on the computer.

Safety precautions

Steps to be taken before performing disassembly or reassembly procedures.

Electrostatic discharge-ESD protection

Measures to prevent damage to electronic components from static electricity.

ESD field service kit

Components and usage of the electrostatic discharge field service kit.

Transporting sensitive components

Guidelines for safely transporting sensitive electronic components.

After working inside your computer

Steps to reconnect devices and cables after component replacement.

Technology and components

Power supply specifications

Details on the input voltage, frequency, and type of power supply.

Power adapter

Specifications of the laptop's power adapter, including wattage and size.

Video specifications

Information on graphics controllers, memory types, and display support.

Audio specifications

Details about the audio controller, type, and interface for speakers and microphones.

Memory

Specifications for RAM, including type, speed, capacity, and configurations.

Display specifications

Technical details of the display panel, including resolution, size, and features.

Keyboard specifications

Information on keyboard layout, key pitch, and backlit functionality.

Battery

Specifications for the lithium-ion battery, including capacity, voltage, and life span.

Storage specifications

List of available storage drive options, including SSD and HDD types.

USB Type-C

Description of the USB Type-C connector and its capabilities, including alternate modes.

USB features

Overview of USB evolution, data transfer rates, and key features of USB 3.0/3.1 Gen 1.

Major components of your system

Component identification

Diagram and list identifying major internal components of the system.

Disassembly and reassembly

Base cover

Instructions for installing and removing the computer's base cover.

Battery

Precautions and steps for removing and installing the lithium-ion battery.

PCle Solid State Drive (SSD)

Procedure for removing and installing the M.2 NVMe PCIe Solid State Drive (SSD).

Hard drive

Instructions for removing and installing the 2.5-inch optional hard drive.

Speaker

Steps for removing and installing the audio speakers.

WLAN card

Procedure for removing and installing the Wireless Local Area Network (WLAN) card.

Memory modules

Instructions for removing and installing RAM modules.

System fan

Steps for removing and installing the system cooling fans.

Heat sink assembly

Procedure for removing and installing the heat sink assembly.

Power connector port

Instructions for removing and installing the DC-in power connector port.

System board

Detailed steps for removing and installing the main system board.

Audio board

Procedure for removing and installing the audio board.

Coin-cell battery

Instructions for removing and installing the coin-cell battery for BIOS settings.

Power button

Steps for removing and installing the power button module.

Power button with fingerprint reader -optional

Procedure for removing and installing the power button with fingerprint reader.

Display Assembly

Instructions for removing and installing the entire display assembly.

Antenna cover

Steps for removing and installing the antenna cover.

Keyboard lattice and Keyboard

Procedure for removing and installing the keyboard and its lattice.

Troubleshooting

Handling swollen Lithium-ion batteries

Guidance on safely handling and replacing swollen lithium-ion batteries.

Enhanced Pre-Boot System Assessment - ePSA diagnostics

Overview of the embedded system diagnostics for hardware checks.

Running the ePSA Diagnostics

Steps to initiate and run the Enhanced Pre-Boot System Assessment diagnostics.

Built-in self-test (BIST)

Information on built-in self-test diagnostics for system board embedded controller.

M-BIST

Procedure for running the M-BIST diagnostic tool on the system board.

LCD Power rail test (L-BIST)

Procedure for testing the LCD power rail and identifying potential system board failures.

LCD Built-in Self Test (BIST)

Steps to perform a built-in self-test on the LCD to diagnose screen abnormalities.

Beep codes

Explanation of audible beep codes used to indicate hardware failures.

Recovering the operating system

Procedures for recovering the operating system using Dell SupportAssist OS Recovery.

Real-Time Clock (RTC Reset)

Instructions for performing an RTC reset to resolve boot or POST issues.

Backup media and recovery options

Recommendations for creating recovery media for troubleshooting Windows issues.

WiFi power cycle

Procedure for troubleshooting WiFi connectivity issues by cycling power.

Drain residual flea power (perform hard reset)

Steps to drain residual static electricity from the computer for safe component handling.

Getting help

Contacting Dell

Information and steps for contacting Dell support for sales, technical, or customer service.

Dell Precision 5540 Specifications

General

Graphics	NVIDIA Quadro T1000 or T2000
Processor	Intel Core i5, i7, i9, or Intel Xeon
Display	15.6" FHD (1920x1080) or UHD (3840x2160)
Memory	Up to 64GB DDR4
Storage	Up to 4TB PCIe SSD
Operating System	Windows 10 Pro or Ubuntu
Weight	Starting at 1.78 kg (3.9 lbs)
Battery	97Whr or 56Whr
Ports	HDMI 2.0, SD card reader
Wireless	Bluetooth 5.0
Camera	720p HD camera
Audio	Stereo speakers with MaxxAudio Pro