Lenovo 0842C3U Personal Computer User Manual


 
Contents
Important safety information ......v
Chapter 1. Product overview ......1
Features ................1
Specifications ..............4
Software overview ............4
Software provided with your Windows operating
system ...............4
Locations ...............7
Locating connectors, controls, and indicators on
the front of your computer ........7
Locating connectors and parts on the rear of your
computer ..............8
Locating components ..........10
Locating parts on the system board .....11
Locating internal drives .........11
Chapter 2. Installing or replacing
hardware ..............13
Handling static-sensitive devices .......13
Installing or replacing hardware .......13
Installing external options ........14
Removing the computer cover .......14
Removing and reinstalling the front bezel . . . 15
Installing or replacing a PCI card ......17
Installing or replacing a memory module . . . 19
Replacing the battery ..........21
Replacing the power supply assembly....23
Replacing the heat sink and fan assembly . . . 25
Replacing the microprocessor .......27
Replacing the optical drive ........30
Replacing the hard disk drive .......31
Replacing the front audio and USB assembly . . 34
Replacing the rear fan assembly ......35
Replacing the USB keyboard or mouse ....36
Completing the parts replacement ......37
Obtaining device drivers ..........38
Basic security features ...........38
Integrated cable lock ..........39
Padlock...............40
Password protection ..........40
Erasing a lost or forgotten password (clearing
CMOS) ...............40
Chapter 3. Recovery information . . . 43
Creating and using recovery media ......43
Creating recovery media .........43
Using recovery media ..........44
Performing backup and recovery operations . . . 45
Performing a backup operation .......45
Performing a recovery operation ......45
Using the Rescue and Recovery workspace ....46
Creating and using a rescue medium ......47
Creating a rescue medium ........47
Using a rescue medium .........48
Installing or reinstalling device drivers .....49
Solving recovery problems .........49
Chapter 4. Using the Setup Utility
program ..............51
Starting the Setup Utility program.......51
Viewing or changing settings ........51
Using passwords ............51
Password considerations .........52
Power-on password ..........52
Administrator password .........52
Setting, changing, or deleting a password . . . 52
Enabling or disabling a device ........53
Selecting a startup device..........53
Selecting a temporary startup device .....53
Viewing or changing the startup device sequence 54
Exiting the Setup Utility program .......54
Chapter 5. Updating system programs 55
Using system programs ..........55
Updating (flashing) the BIOS from a disc ....55
Updating (flashing) the BIOS from your operating
system ................56
Recovering from a POST and BIOS update failure 56
Chapter 6. Troubleshooting and
diagnostic programs.........59
Basic troubleshooting ...........59
Diagnostic programs ...........60
Lenovo ThinkVantage Toolbox .......60
PC-Doctor for Rescue and Recovery .....60
PC-Doctor for DOS ...........61
Cleaning an optical mouse .........62
Chapter 7. Getting information, help,
and service .............63
Information resources ...........63
Online Books folder ..........63
Lenovo ThinkVantage Tools ........63
ThinkVantage Productivity Center ......64
Lenovo Welcome ...........64
Access Help .............64
Safety and warranty ..........64
Lenovo Web site (http://www.lenovo.com). . . 65
Help and service ............65
Using the documentation and diagnostic
programs ..............65
Calling for service ...........65
Using other services ..........66
Purchasing additional services .......67
Appendix. Notices ..........69
Television output notice ..........70
European conformance CE mark .......70
© Copyright Lenovo 2010 iii