Lenovo IdeaCentre K4 Series User manual

Version 1.0 2013.09
User Guide
IdeaCentre K4 Series
Machine type: 10086/3109/4743 [K430]
10089/1168/4744 [K410]
10090/2556/4748 [K415]
10121/90A1 [K450 ES]
10120/90A0 [K450 Non-ES]
31505616

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 2013. 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
Connecting your computer.........................................................................8
5.1 Audio configuration instructions............................................................9
7.1 Audio configuration instructions..........................................................10
Connecting the power cord......................................................................11
Display connecting instructions when playing Blu-ray Discs......................12
Connecting to the Internet........................................................................12
Wired keyboard (selected models only) ....................................................13
Hot-swappable hard disk (selected models only)......................................14
Power Control Switch (selected models only) ...........................................16
Using Windows 8.1 ................................................................... 21
Switching between the main Windows 8.1 interfaces ...............................22
The Charms Bar.......................................................................................22
Shutting down the computer....................................................................22
Switching between apps ..........................................................................23
Closing an app.........................................................................................23
Opening other system programs ..............................................................23
Windows Help and Support .....................................................................23
Using the Rescue System........................................................ 25
OneKey Recovery ....................................................................................26
Driver and Application Installation .............................................................27

ii Contents
Using the Software................................................................... 29
Lenovo Support .......................................................................................30
Troubleshooting and Confirming Setup ................................. 31
Troubleshooting Display Problems............................................................32
Troubleshooting Audio Problems ..............................................................33
Troubleshooting Software Problems .........................................................34
Troubleshooting Problems with Optical Drives and Hard Disks .................34
Special considerations for troubleshooting Windows ................................35
Windows Help and Support .....................................................................36
BIOS setup utility......................................................................................36
Performing Daily Maintenance Tasks ........................................................37
Hardware Replacement Guide ................................................ 39
Locations .................................................................................................43
Replacing hardware .................................................................................48
Appendix. .................................................................................. 61
Declaration...............................................................................................61
Trademarks ..............................................................................................62
Energy Star Statement .............................................................................63
Enabling ErP compliance mode................................................................64

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.
Power button
Power Control Switch indicator ON/OFF (selected models only)
Hard disk drive indicator
Power control switch (selected models only)
Memory card readers (selected models only)
USB connector/USB power off charging connector (selected models only)
Microphone connector
Headphone connector
Optical drives (some models are equipped with only one optical drive)
Hot-swappable HDD port (selected models only)
Attention: Do not insert 3-inch discs into the optical drive.

3
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.)
IdeaCentre K450
Voltage selection switch (selected models only)
Power connector
DisplayPort connector (selected models only)
HDMI connector (selected models only)
On-board VGA connector
USB 3.0 connector (selected models only)
USB 2.0 connector
Ethernet connector
Audio connectors
PCI Express X 16 graphics adapter slot (some models are equipped with a
graphics card)

4User Guide
PCI Express X 1 adapter slots (some models are equipped with a WIFI card
or TV tuner card)
IdeaCentre K430
Voltage selection switch (selected models only)
Power connector
HDMI connector (selected models only)
USB connectors
DisplayPort connector (selected models only)
On-board VGA connector
Ethernet connector
Audio connectors
PCI Express X 16 graphics adapter slots (some models are equipped with a
graphics card)

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User Guide
PCI Express X 1 adapter slots (some models are equipped with a WIFI card
or TV tuner card)
IdeaCentre K410
Voltage selection switch (selected models only)
Power connector
USB connectors
HDMI connector (selected models only)
On-board VGA connector
Ethernet connector
Audio connectors
PCI Express X 16 graphics adapter slot (some models are equipped with a
graphics card)
PCI Express X 1 adapter slots (some models are equipped with a WIFI card
or TV tuner card)

6User Guide
IdeaCentre K415
Voltage selection switch (selected models only)
Power connector
USB connectors (USB ports 4 to 6)
HDMI connector (selected models only)
On-board VGA connector
Ethernet connector
Audio connectors
PCI Express X 16 graphics adapter slot (some models are equipped with a
graphics card)
PCI Express X 1 adapter slots (some models are equipped with a WIFI card
or TV tuner card)
Note: If your model has two VGA monitor connectors, be sure to use the
connector on the graphics adapter.

7
User Guide
Basic connector instructions
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.
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) Connects to the HDMI connector on your display
or TV.
DisplayPort connector
(optional)
Used to attach a high-performance monitor, a
direct-drive monitor, or other devices that use a
DisplayPort connector.
TV-Tuner connector (optional) Only supported on systems with an optional TV
tuner card.
Note: If your computer is equipped with a wireless keyboard or mouse,
follow the installation instructions for those devices.

8User Guide
Connecting your computer
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

9
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 Sounds 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.

10 User Guide
7.1 Audio configuration instructions
Use the following illustration when connecting a 7.1 surround sound audio system
S/PDIF out connector Microphone input Connector
Center / Low frequency output
connector
Audio line-out Connector
Surround out connector Audio line-in Connector
Note: For more detailed settings, from Control panel, select Hardware and
Sound → Lenovo HD Audio Manager. Follow the instructions to configure
advanced settings.
Sound configuration is as follows:
1. Right click the Sound icon in the system property bar and select the Sounds
option to set up 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.

11
User Guide
3. Select 7.1 surround from audio channels in the pop-up Speaker setup dialog
box and proceed with the speaker setup by following the prompts.
4. 7.1 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
7.1 surround sound audio device system in your actual audio configuration
interface and read the electronic Help information for further assistance.
Connecting the power cord
Connect the power cord to an electrical outlet. We recommend using a grounded
connection or a surge protector.

12 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.

13
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)
LVT —— After entering Windows, press this key to launch the LVT (Lenovo
Vantage Technology) program, Lenovo’s pre-loaded Home PC software.
In addition to its own functions, the LVT program will allow you to start
other Windows compatible software specially configured to run on this
model of computer.
Notes:
• SomemodelsarenotequippedwiththeLVTprogram.
• TheLVTkeyonthekeyboardisdisabledinthemodels
without the LVT program.
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.

14 User Guide
Hot-swappable hard disk (selected models
only)
• Components
Hot-swappable hard disk USB adapter USB cable
You can plug in the hot-swappable hard disk while the computer system using it is
working, without damaging the hard disk data. You can back up the data on this
hot-swappable hard disk at any time for data maintenance or data transmission.
• Usingthehot-swappableharddisk
Method 1: Slide it into the bay from the front until it clicks into position.

15
User Guide
Method 2: Pull the hot-swappable hard disk drive out of the drive bay, then
connect the hot-swappable hard disk drive to the other computer.
Notes:
• Donotunplugtheharddiskwhileitiscopyingdata,asthismayresult
in loss of data.
• Afterconnectingtheharddiskandallthecables,waitamomentto
allow the system to recognise the hard disk.
• Donotinstalltheoperatingsystemonthehot-swappableharddisk.
• Donotunplugtheharddiskwhileitisrunningaprogram,asthismay
result in the system crashing.