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.
© Copyright Lenovo 2014. All rights reserved.
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.

i
Contents
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.
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3
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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

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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.)
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10
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9
3
5
4
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
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3
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4
Lenovo E50-05
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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.

5
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.

6User Guide
Note: If your computer is equipped with a wireless keyboard or mouse,
follow the installation instructions for those devices.
Connecting your computer
Use the following information when connecting your computer.
• Lookforthesmallconnectoriconsonthebackofyourcomputer.Matchthe
connectors to the icons.
• Ifyourcomputercablesandconnectorpanelhavecolor-codedconnectors,
match the color of the cable end with the color of the connector.
Note: Your computer may not have all of the connectors described in this
section.
Check the position of the voltage-selection switch on
the rear of the computer. Use a ballpoint pen to slide
the switch if necessary.
Note: Some computers do not have a voltage switch. These computers
control voltage automatically.
• Ifthevoltagesupplyrangeis100-127VAC,settheswitchto115V.
• Ifthevoltagesupplyrangeis200-240VAC,settheswitchto230V.
115
230

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User Guide
5.1 Audio configuration instructions
This model of computer supports the transformation of stereo sound into
5.1 surround sound.
Use the following guides when connecting to the 5.1 surround audio device:
Front channel
Surround
Center-LFE
Blue line-in connector
Green line-out connector
Pink Mic-in connector
The configurations are as followings:
1. Right click the Sound icon in system property bar and select Playback
devices option to setup the sounds in the pop-up dialog box.
2. Select a playback device from the Playback dialog box, then click the
Configure button to configure it.
3. Select 5.1 surround from audio channels in the pop-up Speaker setup dialog
box to proceed with the speaker setup by following the prompts.
4. 5.1 surround sound can be used once this configuration procedure is
complete.
Note: If the audio configuration interfaces above are different from
those on your computer, you may use the above steps as a reference to
configure the 5.1 surround sound audio device system in your actual audio
configuration interface and read the electronic Help information for further
assistance.

8User Guide
Connecting the power cord
Connect the power cord to an electrical outlet. We recommend using a grounded
connection or a surge protector.
Some models are equipped with Power Adapter.

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User Guide
Display connecting instructions when
playing Blu-ray Discs
Note: Only some models are equipped with Blu-ray optical drive.
Check the connectors available on your computer and display and select an
appropriate cable according to the table below. Other types of cables do not meet
the requirements of the Blu-ray standard.
You need to purchase the cable separately if the computer is not equipped with
the corresponding cable.
This table will help you to identify the connectors on your computer and display.
Connection Type Computer Cable Display
DVI to DVI
(DVI cable)

DVI to HDMI
(DVI-HDMI cable)

HDMI to HDMI
(HDMI cable)

HDMI to DVI
(HDMI-DVI cable)

Connecting to the Internet
To connect to the Internet, you’ll need a contract with an Internet Service Provider
(ISP) and some hardware.
IPSs and ISP offerings vary by country. Contact your ISP for offerings available in
your country.
Your computer is designed to support a wireless (selected models only) or wired
network that connects your computer to other devices.
Wired network connection
For wired networks, connect one end of an Ethernet cable (purchased separately)
to the Ethernet connector on your computer, and then connect the other end to
the network router or broadband modem. Consult your ISP for detailed setup
instructions.
Note: Broadband modem and router installation procedures vary
depending on the manufacturer. Follow the manufacturer’s instructions.

10 User Guide
Wireless network connection
For wireless networks, you can use the built-in wireless LAN antenna to access
your wireless home network.
To connect your computer to the wireless network:
1. Move the cursor to the top right or bottom right corner of the screen, then click
Settings. (If your computer is equipped with touch screen, swipe in from the
right edge of the screen, then tap Settings.)
2. Click or tap the network icon , then select the name of your router. Click or
tap Connect, then follow the steps on the screen.
Test the wireless network by opening your Web browser and accessing any Web
site.
Wired keyboard (selected models only)
F2 —— Your computer has the Lenovo Rescue System installed. To learn more
about this program, repeatedly press and release the F2 key once
turning on the computer until the Lenovo Rescue System opens.

Using Windows 8.1
This chapter contains the following
topics:
Switching between the main Windows 8.1
interfaces
The Charms Bar
Shutting down the computer
Switching between apps
Closing an app
Opening other system programs
Windows Help and Support
Attention: The Windows 8.1 operating system
is provided by Microsoft Corporation. Please
use it in accordance with the END USER
LICENSE AGREEMENT (EULA) between you
and Microsoft. For any question related to the
operating system, please contact Microsoft
directly.
User Guide 11

12 User Guide
Switching between the main Windows 8.1
interfaces
Windows 8.1 comes with two main user interfaces: the Start Screen and the
Windows desktop.
To switch from the Start Screen to the Windows desktop, do one of the following:
• SelecttheWindowsdesktoptileontheStartScreen.
• PresstheWindowskey + D.
To switch from the desktop to the Start Screen, do one of the following:
• SelectStart from the Charms Bar.
• Movethecursortothebottomleftcorner,thenselecttheStartScreen
thumbnail when it is displayed.
• PresstheWindowskey .
The Charms Bar
Charms provide new and faster ways to perform many basic tasks.
To display the charms, do one of the following:
• Movethecursortothetoprightorbottomrightcornerofthescreen.
• Ifyourcomputerisequippedwithtouchscreen,swipeinfromtherightedgeof
the screen.
• PresstheWindowskey + C.
Shutting down the computer
To shut down the computer:
1. Move the cursor to the top right or bottom right corner of the screen, then click
Settings. (If your computer is equipped with touch screen, swipe in from the
right edge of the screen, then tap Settings.)
2. Select Power →Shutdown.

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User Guide
Switching between apps
Sometimes you want to get back to an app you were just using, or quickly switch
through your recent apps.
To switch between apps:
Move the cursor to the top left corner, then click to bring in the next app. (If your
computer is equipped with touch screen, swipe in from the left edge of the screen
to bring in the next app.)
Closing an app
To close an app, do one of the following:
• Movethecursortothetopleftcornerofthescreen.Whenthethumbnail
appears, drag it to the bottom of the screen.
• Movethecursortothetopedgeofthescreen.Whenthecursorbecomesa
hand, drag the app page to the bottom of the screen.
• Ifyourcomputerisequippedwithtouchscreen,swipeinfromthetopedgeof
the screen. When the app page becomes smaller, drag it to the bottom of the
screen.
Opening other system programs
There is a fast way to open other system programs.
To open the menu, do one of the following:
• Movethecursortothebottomleftcornerofthescreen.Whenthethumbnail
appears, right-click with the mouse to open the menu.
• PresstheWindowskey + X.
Windows Help and Support
If you have a problem with the operating system, see the Windows Help and
Support file. To open the Windows Help and Support file, do one of the following:
• SelecttheSettings charm, then select Help.
• PresstheWindowskey + F1.
You can read the Windows Help and Support file on your computer. You can also
get online help and support by clicking on one of the two links listed under More
to explore.

14 User Guide

Using the Rescue System
This chapter contains the following
topics:
OneKey Recovery
Driver and Application Installation
Attention: Using OneKey Recovery will result
in loss of data.
• YoucanrestoretheC:driveofthecomputer
to factory default settings or to the last system
backup status using OneKey Recovery. If you
dothis,alloftheexistingdataondriveC:will
be lost, but the content and format of the other
partitions of the hard disk drive will remain
unchanged.
• If you want to install an operating system and
back it up with OneKey Recovery, you must
formattheC:partitioninNTFS format and
installtheoperatingsystemontheC:partition.
Otherwise, the OneKey Recovery system cannot
run.
User Guide 15