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Lenovo ThinkBook 15 G4 IAP User Manual

Lenovo ThinkBook 15 G4 IAP
98 pages
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Hardware Maintenance Manual
Lenovo ThinkBook 14 Gen 4 and Lenovo ThinkBook 15 Gen 4

Table of Contents

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Lenovo ThinkBook 15 G4 IAP Specifications

General IconGeneral
Operating SystemWindows 11 Pro
WeightStarting at 1.7 kg (3.75 lbs)
Dimensions357 x 235 x 18.9 mm (14.06 x 9.25 x 0.74 inches)
BluetoothBluetooth 5.1
ProcessorUp to 12th Gen Intel Core i7
Display15.6" FHD (1920 x 1080) IPS, anti-glare
MemoryUp to 40GB DDR4
StorageUp to 2 TB PCIe Gen4 SSD
GraphicsIntegrated Intel Iris Xe or optional NVIDIA GeForce MX550
Battery45Wh or 60Wh
PortsRJ-45, headphone/mic combo
WirelessWi-Fi 6 (802.11ax)
SecurityFingerprint Reader, TPM 2.0

Summary

About this manual

Chapter 1. Safety Information

General safety precautions

General safety rules to follow during maintenance operations for user and equipment safety.

Electrical safety guidelines

Rules and precautions for working with electrical equipment to prevent shock or damage.

Safety inspection guide

Checklist to identify potentially unsafe conditions before servicing equipment.

Handling ESD-sensitive devices

Procedures to protect sensitive electronic components from electrostatic discharge damage.

Grounding requirements

Importance of proper electrical grounding for operator safety and system function.

Safety notices (multilingual)

Important safety warnings provided in multiple languages for user comprehension.

Chapter 2. General Checkout

Initial checkout procedures

Steps to perform before servicing a computer and information to include when returning FRUs.

CRU (Customer Replaceable Unit) List

List of FRUs (CRUs) categorized by model, indicating self-service or other replacement types.

Chapter 3. Identifying FRUs (CRUs)

Locating FRUs and CRUS

Using exploded illustrations to identify FRUs or CRUs that may need replacement.

Chapter 4. Removing a FRU or CRU

Service Tools and Consumables

List of tools and consumables required for servicing Lenovo computers.

General FRU Removal Guidelines

Important guidelines and precautions to follow before and during FRU removal.

Remove the Lower Case

Step-by-step instructions for removing the computer's lower case cover.

Remove the Battery Pack

Procedure for safely disconnecting and removing the battery pack from the system.

Remove the System Board

Detailed steps for removing the main system board, including cable disconnections.

Remove the LCD Module

Procedure for detaching and removing the LCD module from the computer assembly.

Remove the Upper Case (with Keyboard and Touchpad)

Instructions for removing the top housing assembly, including keyboard and touchpad.

Disassemble the LCD Module

Steps to break down the LCD module into its constituent FRUs for repair or replacement.

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