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Lenovo ThinkPad E480 User Manual

Lenovo ThinkPad E480
102 pages
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E480, E485, and R480
Hardware Maintenance Manual

Table of Contents

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Lenovo ThinkPad E480 Specifications

General IconGeneral
MemoryUp to 32GB DDR4
Operating SystemWindows 10 Pro
BatteryUp to 13 hours with 45Wh battery
WeightStarting at 1.75 kg (3.86 lbs)
ProcessorUp to 8th Gen Intel Core i7
Display14" FHD (1920 x 1080)
GraphicsIntel UHD Graphics 620 or AMD Radeon RX 550 (2GB GDDR5)
StorageUp to 512GB SSD or 1TB HDD
Ports2 x USB 3.1, 1 x USB 2.0, HDMI, RJ45, microSD card reader
Wireless802.11ac Wi-Fi, Bluetooth 4.1

Summary

Chapter 1: Safety Information

General and Electrical Safety Precautions

Essential safety rules for maintenance and electrical work.

Safety Inspection and Handling Precautions

Procedures for inspecting safety and handling sensitive components.

Multilingual Safety Notices

Safety warnings provided in various languages.

Chapter 2: Important Service Information

FRU Replacement Strategies and Guidelines

Guidelines for effective and economical replacement of Field Replaceable Units.

Model Types and FRU Identification

Understanding different models and identifying FRUs using Lenovo resources.

Chapter 3: General Checkout Procedures

Initial Steps and Checkout Guide

Procedures for problem identification and initial service actions.

Diagnostic Tools: Lenovo Companion and Quick Tests

Using software tools for system diagnostics and troubleshooting.

Chapter 4: Related Service Information

System Recovery and Restoration

Steps for restoring factory settings and system recovery using discs or USB.

Resetting and Advanced Startup Options

Methods for resetting the computer and accessing advanced startup configurations.

Passwords and Power Management

Managing system passwords and understanding power saving modes.

Symptom-to-FRU Index

Cross-reference for diagnosing issues by linking symptoms to FRUs.

Numeric Error Codes

Table of numeric error codes and recommended FRU actions.

Error Messages and Beep Symptoms Diagnosis

Error lists, beep code diagnosis using smartphone app.

No-Beep Symptoms Troubleshooting

Steps to troubleshoot problems without audible beep codes.

LCD-Related Symptoms and Intermittent Problems

Resolving LCD issues and diagnosing sporadic or unidentifiable system problems.

Chapter 5: Status Indicators

Computer Status Indicators

Explanation of indicators for Caps Lock, Fn Lock, Mute, and system status.

AC Power Status Indicator

Meaning of the AC power and battery charging status indicator.

Chapter 6: Function Keys

Function Key Descriptions and Usage

Details on the functions of various key combinations, including Fn key.

Chapter 7: Component Locations

Locating Computer Controls, Connectors, and Indicators

Guide to identify physical components, ports, and indicators on the computer.

Front and Bottom View Components

Diagrams and labels for the computer's front and bottom views.

Locating FRUs and CRUs

Introduction to Field Replaceable Units (FRUs) and Customer Replaceable Units (CRUs).

CRU Statement and Types

Customer guidelines for CRUs, responsibilities, and types (self-service/optional).

Major and LCD FRUs

Lists and details of major and LCD-related Field Replaceable Units for service.

Connector and Cable Guides

Information on identifying connectors and cables for replacement.

Specific Component Connectors and Cables

Details on connectors for LCD panel, camera, HDD, keyboard, and WLAN.

Looking Up FRU Information

Guidance on finding detailed FRU information via the Lenovo website.

Chapter 8: FRU Replacement Notices

CRU Statement for Customers and Screw Notices

Customer guidelines for CRUs and important notes on screws and tightening.

Retaining Serial Numbers and UUIDs

Procedures for managing system unit serial numbers and Universally Unique Identifiers.

Restoring System Unit Serial Number

Steps to restore the system unit's serial number after replacing the system board.

Retaining the UUID

Instructions for creating a new Universally Unique Identifier (UUID) for the system board.

Chapter 9: Removing or Replacing a FRU

CRU Statement for Customers and General Guidelines

Customer guidelines for CRUs and general best practices for FRU service.

Pre-Service Checks and Battery Disabling

Critical pre-service measures and procedure to disable the built-in battery.

Specific FRU Removal Procedures (microSD to System Board)

Step-by-step guides for removing various components like microSD, keyboard, HDD, etc.

LCD Assembly and Hinge Kit Removal

Step-by-step guides for removing the LCD bezel assembly, LCD panel, and hinge kits.

Camera, LED/Cable, and Antenna/Cover Removal

Procedures for removing camera card, LED/cable assembly, and antenna/rear cover.

Appendix A: Notices

Appendix B: Abbreviation Table

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