Lenovo B575 User Manual

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Chapter 1. Getting to know your
computer.......................................................1
Top view .........................................................1
Left-side view ................................................3
Right-side view..............................................4
Front view ......................................................5
Bottom view ...................................................6
Chapter 2. Learning the basics...................7
First use...........................................................7
Using AC adapter and battery ....................9
Using the touchpad.....................................10
Using the keyboard.....................................11
Connecting external devices......................13
Special keys and buttons............................15
System status indicators.............................16
Securing your computer.............................17
Chapter 3. Connecting to the Internet ......18
Wired connection ........................................18
Wireless connection ....................................19
Chapter 4. OneKey Rescue system ..........23
OneKey Rescue system ..............................23
Appendix A. CRU instructions ..................24
Replacing the battery..................................24
Replacing the hard disk drive ...................25
Replacing memory ......................................29
Removing the optical drive ....................... 32
Trademarks.................................................34
Index............................................................35
Contents

Lenovo B575 Specifications

General

Processor cache	1 MB
Processor cores	2
Processor model	E2-2000
Processor family	AMD E
Processor frequency	1.75 GHz
Processor cache type	L2
Processor manufacturer	AMD
Motherboard chipset	-
Internal memory	4 GB
Internal memory type	DDR3-SDRAM
Maximum internal memory	8 GB
Storage media	HDD
Optical drive type	DVD Super Multi
Card reader integrated	Yes
Total storage capacity	500 GB
Compatible memory cards	Memory Stick (MS), MMC, MS PRO, SD, SDHC, xD
Number of HDDs installed	1
Number of SSDs installed	0
HD type	Not supported
Display surface	Gloss
Display diagonal	15.6 \
Display resolution	1366 x 768 pixels
Native aspect ratio	16:9
Discrete graphics card model	Not available
On-board graphics card model	AMD Radeon HD 7340
On-board graphics card family	AMD Radeon HD 7000
Front camera resolution (numeric)	0.3 MP
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version	4.0
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Charging port type	DC-in jack
Headphone connectivity	3.5 mm
USB 2.0 ports quantity	4
Keyboard layout	QWERTY
Operating system installed	FreeDOS
Form factor	Clamshell
Product type	Laptop
Product color	Black
Battery life (max)	3 h
Number of battery cells	6

Weight and Dimensions

Depth	252 mm
Width	378 mm
Height	33.1 mm
Weight	2350 g

Summary

Chapter 1. Getting to know your computer

Chapter 2. Learning the basics

Initial Computer Setup and Use

Guides the user through initial power connection, system configuration, and basic operation.

AC Adapter and Battery Management

Instructions for checking battery status, charging, and handling the battery pack safely.

Connecting External Devices

Chapter 3. Connecting to the Internet

Chapter 4. OneKey Rescue system

Lenovo OneKey Rescue System

Details on using the OneKey Rescue system for system backup and restoration.

Appendix A. CRU instructions

How to Replace the Battery

Step-by-step guide for safely removing and installing the computer's battery pack.

Hard Disk Drive Replacement

Instructions for upgrading or replacing the computer's internal hard disk drive.

Memory Module Replacement

Procedure for installing or upgrading the computer's RAM (DDR3 SDRAM).