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Lenovo N24 User Manual

Lenovo N24
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Lenovo N24
Hardware
Maintenance
Manual

Table of Contents

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Lenovo N24 Specifications

General IconGeneral
Tjunction105 °C
Processor cache2 MB
Processor cores4
System bus rate8 GT/s
Processor familyIntel® Celeron®
Processor seriesIntel Celeron N3000 series
Processor socketBGA 1296
Processor codenameApollo Lake
Processor frequency1.1 GHz
Processor cache typeL2
Processor lithography14 nm
Processor manufacturerIntel
PCI Express slots version2.0
Processor boost frequency2.2 GHz
Processor operating modes64-bit
ECC supported by processorNo
PCI Express configurations1x2, 1x2+2x1, 1x4, 4x1
Thermal Design Power (TDP)6 W
Scenario Design Power (SDP)4 W
Maximum number of PCI Express lanes6
On-board graphics cardYes
Number of execution units12
On-board graphics card ID0x5A85
Discrete graphics card modelNot available
On-board graphics card modelIntel® HD Graphics 500
On-board graphics card familyIntel® HD Graphics
Maximum on-board graphics card memory8 GB
On-board graphics card base frequency200 MHz
On-board graphics card burst frequency700 MHz
Form factorConvertible (Folder)
Product typeHybrid (2-in-1)
Product colorBlack
Display diagonal11.6 \
Touch technologyMulti-touch
Touchscreen typeCapacitive
Display resolution1366 x 768 pixels
Native aspect ratio16:9
Internal memory4 GB
Internal memory typeLPDDR4-SDRAM
Maximum internal memory- GB
Storage mediaeMMC
Total storage capacity128 GB
Compatible memory cardsMicroSD (TransFlash)
Battery life (max)8 h
Number of battery cells3
Front camera signal format720p
Front camera resolution (numeric)1 MP
Wi-Fi standardsWi-Fi 5 (802.11ac)
Bluetooth version4.0
USB 2.0 ports quantity2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity1
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity0
Pointing deviceTouchpad
AC adapter power45 W
Sustainability certificatesEPEAT Silver, ENERGY STAR
Processor ARK ID95596
Processor package size24 x 31 mm
Intel Identity Protection Technology version1.00
Intel Small Business Advantage (SBA) version0.00
Weight and Dimensions IconWeight and Dimensions
Depth212.5 mm
Width300.5 mm
Height23.5 mm
Weight1450 g

Summary

About this manual

Safety Information and Precautions

General Safety Guidelines

Follow rules for safe operation, handling heavy objects, and personal safety during maintenance.

Electrical Safety Precautions

Precautions for working with electrical equipment, including tool usage and power disconnection.

Safety Inspection Guide

Guide to identify potential unsafe conditions using a checklist before servicing.

ESD Sensitive Device Handling

Procedures to protect components from ESD damage, including grounding.

Grounding Requirements

Importance of proper electrical grounding for safety and system function.

Multilingual Safety Notices

Safety warnings provided in multiple languages for clear understanding.

Safety Notice: Battery Handling

DANGER: Precautions for handling standby batteries (nickel-cadmium).

Safety Notice: Battery Pack Handling

DANGER: Precautions for handling battery packs containing nickel.

Safety Notice: Lithium Battery Handling

DANGER: Precautions for handling lithium batteries to prevent fire/explosion.

Laser Compliance Statement

Compliance information for laser products and optical storage devices.

Safety Notice: LCD Fluid Exposure

Procedure for LCD fluid exposure: wash immediately and seek medical care if needed.

Safety Notice: Inverter Card Cover

DANGER: Avoid removing the plastic cover of the inverter card to prevent shock.

Safety Notice: Main Battery Short Circuit

DANGER: Precautions for main batteries; short circuits can cause burns or fire.

Safety Notice: FRU Removal Preparation

DANGER: Steps before removing any FRU: power off, unplug, remove battery, disconnect cables.

Important Service Information

FRU Replacement Strategy

Guidelines for replacing Field Replaceable Units (FRUs) to avoid unnecessary expenses.

Hard Disk Drive Replacement Strategy

Procedure for replacing hard disk drives, including data backup and formatting.

System Board Replacement Notice

Handling precautions for sensitive system boards to prevent damage.

RoHS Compliant FRU Replacement

Information on RoHS compliance requirements for replacement parts.

General Checkout Procedures

Initial Steps for FRU Returns

Information required when returning a Field Replaceable Unit (FRU) for exchange or return.

Power System Checkout

Steps to verify symptoms related to the computer's power system.

AC Adapter Checkout

Procedure to test the AC adapter's output voltage and identify potential issues.

Operational Charging Check

Procedure to check if the battery charges properly during computer operation.

Battery Pack Check

How to check battery status and ensure proper charging, including temperature considerations.

Related Service Information

Restore Factory Contents via Recovery System

Guide to restore the system to its original factory state using the recovery system.

Computer Passwords

Explanation of power-on, hard-disk, and administrator passwords for system security.

Power Management Modes

Description of screen blank and sleep modes to reduce power consumption.

Specifications

Status Indicators

FRU Replacement Notices

Removing and Replacing an FRU

1010 Base Cover Replacement

Step-by-step instructions for removing and replacing the base cover.

1020 Battery Pack Replacement

Step-by-step instructions for removing and replacing the battery pack.

1030 PCI Express Mini Card for Wireless LAN Replacement

Instructions for removing and replacing the wireless LAN card.

1040 IO Board Replacement

Instructions for removing and replacing the IO board.

1050 Touchpad Button Board Replacement

Instructions for removing and replacing the touchpad button board.

1060 Speaker Replacement

Instructions for removing and replacing the speaker module.

1070 Upper Case Replacement

Instructions for removing and replacing the upper case assembly.

1080 System Board Replacement

Instructions for removing and replacing the system board, with handling precautions.

1090 LCD Cover Replacement

Instructions for removing and replacing the LCD cover.

1100 Pen Holder Replacement

Instructions for removing and replacing the pen holder.

1110 Hinges Replacement

Instructions for removing and replacing the display hinges.

1120 Camera, Sensor Board, and LCD Cable Replacement

Instructions for replacing camera, sensor board, and LCD cable.

Fn Key Combinations/Hotkeys

Locations

Front and Right-Side Views

Diagrams identifying key components on the front and right sides of the computer.

Bottom and Left-Side Views

Diagrams identifying key components on the bottom and left sides of the computer.

Parts List

Overall Parts List

Comprehensive list of all FRUs and their corresponding part numbers.

LCD FRUs

List of specific FRUs related to the LCD module.

Miscellaneous Parts

List of miscellaneous parts such as cables.

AC Adapters

List of compatible AC adapters.

Screws

List of screw packs used in the computer.

Power Cords

List of power cords available for different regions.

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