Lenovo 90CS User manual

Machine type: 90BX [E50-00]

90CS [E50-05 ES]

90CT [E50-05 Non-ES]

Lenovo

E50 Series

User Guide

Version 2.0 2014.12

SP40G46561

Important Safety Information

Before using this manual, it is important that you read and understand all of the

related safety information for this product. Refer to the Safety and Warranty Guide

that you received with this product for the latest safety information. Reading and

understanding this safety information reduces the risk of personal injury or product

damage.

The interface and functions shown in this User Guide are provided for reference

only and may differ from actual product appearance. Product design and

speciﬁcations may be changed without notice.

Danger: Be aware of extremely hazardous or potentially lethal situations.

Attention: Be aware of possible damage to programs, devices, or data.

Note: Pay attention to this important information.

LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered

pursuant a General Services Administration “GSA” contract, use, reproduction,

or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925.

Contents

Important Safety Information

Using the Computer Hardware ................................................. 1

Front view of the chassis ............................................................................2

Rear view of the chassis.............................................................................3

Basic connector instructions ......................................................................5

Connecting your computer.........................................................................6

5.1 Audio conﬁguration instructions............................................................7

Connecting the power cord........................................................................8

Display connecting instructions when playing Blu-ray Discs........................9

Connecting to the Internet..........................................................................9

Wired keyboard (selected models only) ....................................................10

Using Windows 8.1 ................................................................... 11

Switching between the main Windows 8.1 interfaces ...............................12

The Charms Bar.......................................................................................12

Shutting down the computer....................................................................12

Switching between apps ..........................................................................13

Closing an app.........................................................................................13

Opening other system programs ..............................................................13

Windows Help and Support .....................................................................13

Using the Rescue System........................................................ 15

OneKey Recovery ....................................................................................16

Driver and Application Installation .............................................................17

Using the Software................................................................... 19

Lenovo Support .......................................................................................20

ii Contents

Troubleshooting and Conﬁrming Setup ................................. 21

Troubleshooting Display Problems............................................................22

Troubleshooting Audio Problems ..............................................................23

Troubleshooting Software Problems .........................................................24

Troubleshooting Problems with Optical Drives and Hard Disks .................24

Special considerations for troubleshooting Windows ................................25

Windows Help and Support .....................................................................26

BIOS setup utility......................................................................................26

Performing Daily Maintenance Tasks ........................................................27

Hardware Replacement Guide ................................................ 29

Locations .................................................................................................33

Replacing hardware .................................................................................36

Appendix. .................................................................................. 47

Declaration...............................................................................................47

Trademarks ..............................................................................................48

Energy Star Statement .............................................................................48

Enabling ErP compliance mode................................................................49

Electronic emissions notices .................................................. 50

Mexico regulatory notice......................................................... 51

This chapter contains the following

topics:

Introduction to the computer hardware

Information on computer connections

Note: The descriptions in this chapter might be

different from what you see on your computer,

depending on the computer model and

conﬁguration.

User Guide 1

Using the Computer Hardware

2User Guide

Front view of the chassis

Attention: Be careful not to block any air vents on the computer. Blocked

air vents can cause overheating.

Hard disk drive indicator

Power button

Optical Drive (selected models only)

USB 2.0 connectors (2)

Headphone connector

Microphone connector

Memory card reader (selected models only)

Optical drive eject button

User Guide

Rear view of the chassis

(If the rear view conﬁguration shown in this chapter is different from the rear of your

computer, please refer to the rear of your computer.)

11 12

Lenovo E50-00

PS/2 keyboard connector

PS/2 mouse connector

USB 3.0 connector

Serial port

VGA monitor connector

USB 2.0 connectors (2)

Ethernet connector

Audio connectors

Optional serial port

Integrated cable lock (Kensington lock) slot & Padlock loop

Power connector

Cable clip

PCI Express X 16 graphics card slot

PCI Express X 1 card slot

4User Guide

10 11

Lenovo E50-05

PS/2 keyboard connector

PS/2 mouse connector

Serial port

VGA monitor connector

USB 2.0 connectors (2)

USB 3.0 connectors (2)

Ethernet connector

Audio connectors

Integrated cable lock (Kensington lock) slot & Padlock loop

Power connector

Cable clip

PCI Express X 16 graphics card slot

PCI Express X 1 card slot

Note: If your model has two VGA monitor connectors, be sure to use the

connector on the graphics adapter.

Attention: Do not open the WiFi antenna cover.

User Guide

Basic connector instructions

Note: Your computer may not have all of the connectors described in this

section.

Connector Description

Microphone Use this connector to attach a microphone to your

computer when you want to record sound or if you use

speech-recognition software.

Headphone Use this connector to attach headphones to your

computer when you want to listen to music or other

sounds without disturbing anyone.

Audio line-in connector Used to receive audio signals from an external audio

device, such as a stereo system. When you attach an

external audio device, a cable is connected between

the audio line-out connector of the device and the audio

line-in connector of the computer.

Audio line-out

connector

Used to send audio signals from the computer to

external devices, such as powered stereo speakers

(speakers with built-in ampliﬁers), headphones,

multimedia keyboards, or the audio line-in connector on

a stereo system or other external recording device.

Memory card reader Use to view and share digital photos, music, and

videos, stored on a media card.

Power connector Connect to the power cable. The appearance of this

connector may vary.

USB connector Use this connector to attach a device that requires a

USB connection.

Ethernet connector Use this connector to attach the computer to an

Ethernet-type local area network.

VGA connector Used to attach a VGA monitor or other devices that use

a VGA monitor connector.

DVI connector Used to attach a DVI monitor or other devices that use

a DVI monitor connector.

HDMI connector

(optional)

Connect to the HDMI connector on your display or TV.

TV-Tuner connector

(optional)

Only supported on systems with an optional TV tuner

card.

This manual suits for next models

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