Lenovo H420 User manual

Version 2.0 2010.12
User Guide
H4 Series
Machine type: 10059/7723
10060/7724
10068/7752
31048445

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 damage
to your product.
Danger: Be aware of extremely hazardous or lethal situations.
Attention: Be aware of possible damage to programs, devices, or data.
Note: Pay attention to this important information.
© Copyright Lenovo 2010

1
Contents
Contents
Important Safety Information
Chapter 1 Using the Computer Hardware.............................. 1
1.1 Front view of the chassis .........................................................2
1.2 Rear view of the chassis ..........................................................3
1.3 Connecting your computer ......................................................6
Chapter 2 Using the Rescue System .................................... 13
2.1 OneKey Recovery..................................................................14
2.2 Driver and Application Installation ..........................................14
2.3 System Setup........................................................................15
2.4 System Backup .....................................................................16
2.5 System Recovery ..................................................................16
2.6 Create Recovery Disc ............................................................16
Chapter 3 Using the Computer Software ............................. 17
3.1 Lenovo Dynamic Brightness system ......................................18
3.2 Lenovo Eye Distance System ................................................19
Chapter 4 Troubleshooting and Confirming Setup.............. 21
4.1 Troubleshooting Display Problems .........................................22
4.2 Troubleshooting Audio Problems ...........................................23
4.3 Troubleshooting Software Problems.......................................23
4.4 Troubleshooting Problems with Optical Drives and
Hard Disks.............................................................................24
4.5 Special considerations for troubleshooting Windows .............25
4.6 Performing Daily Maintenance Tasks......................................26

2Contents

Chapter
This chapter contains the following
topics:
Computer hardware introduction
Information on computer connections
Note: The descriptions in this chapter might
vary from your computer, depending on
computer models and configurations.
User Guide 1
Using the Computer Hardware

2User Guide
1.1 Front view of the chassis
Attention: Be sure not to block any air vents on the computer. Blocked
air vents can cause thermal problems.
Power button
Optical Drive (selected models only)
Memory card reader (selected models only)
USB connector (2)
Headphone connector
Microphone connector
Note: This computer only can be placed in a vertical position.

3
User Guide
1.2 Rear view of the chassis
(If the rear view configuration in this chapter is different from your actual computer,
the rear view configuration of your actual computer should be taken as final and
binding.)
Voltage selection switch (selected models only)
Power connector
PS/2 keyboard connector
PS/2 mouse connector
HDMI connector
USB connectors (4)
On-board VGA connector
Ethernet connector
Microphone connector
Audio line-out connector

4User Guide
Audio line-in connector
Standalone graphic card (Selected models only)
Expansion card slots (Access connectors for any installed PCI express cards)
Voltage selection switch (selected models only)
Power connector
PS/2 keyboard connector
PS/2 mouse connector
On-board VGA connector (selected models only)
HDMI connector (selected models only)
USB connectors (4)
Ethernet connector
Microphone connector
Audio line-out connector

5
User Guide
Audio line-in connector
PCI express x 16 graphics adapter connector (Some models are equipped
with graphic card.)
PCI express x 1 adapter connector (Some models are equipped with WIFI
card or TV tuner card.)
Voltage selection switch (selected models only)
Power connector
PS/2 keyboard connector
PS/2 mouse connector
HDMI connector (selected models only)
On-board VGA connector (selected models only)
USB connectors (4)
Ethernet connector