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Lenovo E14 Gen 4 User Manual

Lenovo E14 Gen 4
116 pages
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E14 Gen 4 / E15 Gen 4
Hardware Maintenance Manual

Table of Contents

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Lenovo E14 Gen 4 Specifications

General IconGeneral
StorageUp to 1 TB PCIe SSD
Operating SystemWindows 11 Pro
Camera720p HD with Privacy Shutter
WirelessWi-Fi 6, Bluetooth 5.1
ProcessorUp to 12th Gen Intel Core i7
Display14" FHD (1920 x 1080), IPS, anti-glare
MemoryUp to 40GB DDR4
GraphicsIntegrated Intel Iris Xe Graphics
Battery57Wh
AudioStereo speakers, Dolby Audio
PortsHeadphone / mic combo
SecurityDiscrete Trusted Platform Module (dTPM) 2.0
WeightStarting at 1.59 kg (3.51 lbs)

Summary

Chapter 1. Safety Information

General Safety

Rules to ensure general safety during maintenance and handling of equipment.

Electrical Safety

Rules to observe when working on electrical equipment to prevent hazards.

Safety Inspection Guide

Guide to identify potentially unsafe conditions and hazards in the work area.

Handling ESD-Sensitive Devices

Precautions for handling devices sensitive to electrostatic discharge (ESD).

Grounding Requirements

Ensuring proper electrical grounding for operator safety and system function.

Chapter 2. Important Service Information

Strategy for Replacing FRUs

Guidelines and strategies for replacing Field Replaceable Units (FRUs).

Important Notice for Replacing a System Board

Critical precautions for handling sensitive system boards to prevent damage.

How to Use Error Message

Using error codes displayed on screen to diagnose and troubleshoot failures.

Chapter 3. General Checkout

Checkout Guide

Procedures for identifying and correcting computer problems.

Diagnosing Problems

Steps and tools for diagnosing and troubleshooting computer issues.

Power System Checkout

Procedures to verify and troubleshoot power-related symptoms.

Chapter 4. Related Service Information

Passwords

Information on different types of passwords (power-on, NVMe, supervisor, system management).

Symptom-to-FRU Index

Lists symptoms and errors with their possible causes and FRU replacements.

Numeric Error Codes

Table of numeric error codes and corresponding FRU actions for troubleshooting.

Chapter 6. Locations

Chapter 7. FRU Replacement Notices

Chapter 8. Removing or Replacing a FRU

Before Servicing the Computer

Important reading and precautions before starting computer servicing.

Disabling the Built-in Battery

Steps to disable the built-in battery before FRU replacement.

System Board Replacement

Important notices and steps for handling and replacing the system board.

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