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Lenovo B575e User Manual

Lenovo B575e
102 pages
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HardwareMaintenanceManual
LenovoB575e

Table of Contents

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Lenovo B575e Specifications

General IconGeneral
Processor cache1 MB
Processor cores2
Processor modelE2-1800
Processor familyAMD E
Processor frequency1.7 GHz
Processor cache typeL2
Processor manufacturerAMD
Motherboard chipsetAMD A70M
Internal memory4 GB
Internal memory typeDDR3-SDRAM
Maximum internal memory- GB
HDD speed5400 RPM
HDD interfaceSATA
Storage mediaHDD
Optical drive typeDVD-RW
Card reader integratedYes
Total storage capacity500 GB
Number of HDDs installed1
Display diagonal15.6 \
Display resolution1366 x 768 pixels
Native aspect ratio16:9
Contrast ratio (typical)10000:1
LightScribe-
Infrared data portNo
On-board graphics card modelAMD Radeon HD 7340G
On-board graphics card familyAMD Radeon HD 7000
Wi-Fi standards802.11b, 802.11g, Wi-Fi 4 (802.11n)
Networking featuresGigabit Ethernet
Ethernet LAN data rates10, 100, 1000 Mbit/s
Charging port typeDC-in jack
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
eSATA/USB 2.0 ports quantity0
Pointing deviceTouchpad
Operating system installedWindows 7 Home Premium
Operating system architecture64-bit
Form factorClamshell
Product colorBlack
Battery life (max)- h
Weight and Dimensions IconWeight and Dimensions
Weight2500 g

Summary

Chapter 1. Safety Information

General Safety

General safety rules for handling equipment and personnel during maintenance.

Electrical Safety

Safety guidelines for working with electrical components and power.

Safety Inspection Guide

Checklist to identify and mitigate potential safety hazards before servicing.

Handling ESD-Sensitive Devices

Precautions to prevent electrostatic discharge damage to sensitive components.

Grounding Requirements

Ensuring proper electrical grounding for safe operation and system function.

Chapter 2. Important Service Information

Strategy for Replacing FRUs

Procedures and best practices for replacing Field Replaceable Units (FRUs).

Strategy for Replacing Hard Disk Drive

Specific steps and considerations for replacing the HDD.

Notice for Replacing System Board

Critical precautions for handling and replacing the sensitive system board.

Chapter 3. General Checkout

What to Do First

Initial steps and information required when returning a Field Replaceable Unit (FRU).

Power System Checkout

Diagnostic steps to verify and troubleshoot computer power issues.

Checking AC Power Adapter

Procedure to test the AC power adapter's voltage and functionality.

Checking Operational Charging

Steps to verify the battery's charging capability during computer operation.

Checking Battery Pack

Diagnostic tests for the battery pack's voltage and internal resistance.

Chapter 4. Related Service Information

Recovering Computer Settings

Information on system recovery programs for restoring computer settings to default.

Chapter 7. Removing and Replacing a FRU

General Guidelines for FRU Replacement

Essential rules and precautions for removing and replacing FRUs safely.

1130 System Board Assembly

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

Chapter 9. Parts List

Overall Parts List

Comprehensive list of all FRUs with part numbers and CRU identifiers.

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