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)

5
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)