Lenovo 3421 Personal Computer User Manual


 
Contents
Important safety information . . . . . vii
Chapter 1. Product overview . . . . . . 1
Features . . . . . . . . . . . . . . . . . . 1
Specications . . . . . . . . . . . . . . . . 3
Software overview . . . . . . . . . . . . . . 4
Software provided by Lenovo . . . . . . . . 4
Adobe Reader . . . . . . . . . . . . . . 6
Antivirus software. . . . . . . . . . . . . 6
Locations. . . . . . . . . . . . . . . . . . 6
Locating connectors on the front of your
computer . . . . . . . . . . . . . . . . 6
Locating connectors on the rear of your
computer . . . . . . . . . . . . . . . . 7
Locating components . . . . . . . . . . . 9
Locating parts on the system board . . . . 10
Locating internal drives . . . . . . . . . 11
Chapter 2. Installing or replacing
hardware . . . . . . . . . . . . . . . 13
Handling static-sensitive devices . . . . . . . 13
Installing or replacing hardware . . . . . . . . 13
Installing external options . . . . . . . . 13
Removing the computer cover. . . . . . . 14
Removing and reinstalling the front bezel . . 15
Installing or replacing a PCI card. . . . . . 15
Installing or replacing a memory module. . . 18
Installing or replacing the optical drive . . . 20
Replacing the battery . . . . . . . . . . 22
Replacing the power supply assembly . . . 24
Replacing the heat sink and fan assembly . . 25
Replacing the primary hard disk drive . . . . 26
Replacing the secondary hard disk drive. . . 29
Replacing the front fan assembly . . . . . 31
Replacing the rear fan assembly . . . . . . 32
Replacing the front audio and USB
assembly . . . . . . . . . . . . . . . 34
Replacing the internal speaker. . . . . . . 35
Replacing the keyboard or mouse . . . . . 37
Completing the parts replacement . . . . . 38
Installing security features . . . . . . . . . . 39
Integrated cable lock . . . . . . . . . . 39
Padlock . . . . . . . . . . . . . . . 40
Password protection . . . . . . . . . . 41
Erasing lost or forgotten passwords (clearing
CMOS) . . . . . . . . . . . . . . . . 41
Chapter 3. Recovery information. . . 43
Creating and using recovery media . . . . . . 43
Creating recovery media . . . . . . . . . 43
Using recovery media . . . . . . . . . . 44
Performing backup and recovery operations . . . 44
Performing a backup operation . . . . . . 44
Performing a recovery operation . . . . . . 45
Using the Rescue and Recovery workspace . . . 45
Creating and using a rescue medium . . . . . . 46
Creating a rescue medium . . . . . . . . 46
Using a rescue medium . . . . . . . . . 47
Installing or reinstalling device drivers . . . . . 47
Solving recovery problems . . . . . . . . . . 48
Chapter 4. Using the Setup Utility
program . . . . . . . . . . . . . . . . 49
Starting the Setup Utility program . . . . . . . 49
Viewing and changing settings . . . . . . . . 49
Using passwords. . . . . . . . . . . . . . 49
Password considerations. . . . . . . . . 49
Power-On Password . . . . . . . . . . 50
Administrator Password . . . . . . . . . 50
Hard Disk Password. . . . . . . . . . . 50
Setting, changing, and deleting a password . 50
Enabling or disabling a device . . . . . . . . 50
Selecting a startup device . . . . . . . . . . 51
Selecting a temporary startup device . . . . 51
Selecting or changing the startup device
sequence . . . . . . . . . . . . . . . 51
Exiting from the Setup Utility program . . . . . 51
Chapter 5. Updating system
programs . . . . . . . . . . . . . . . 53
Using system programs . . . . . . . . . . . 53
Updating (ashing) the BIOS from a disc . . . . 53
Updating (ashing) the BIOS from your operating
system. . . . . . . . . . . . . . . . . . 54
Recovering from a POST/BIOS update failure . . 54
Chapter 6. Troubleshooting and
diagnostics . . . . . . . . . . . . . . 55
Basic troubleshooting . . . . . . . . . . . . 55
Diagnostic programs . . . . . . . . . . . . 56
Lenovo ThinkVantage Toolbox. . . . . . . 56
PC-Doctor for Rescue and Recovery . . . . 57
PC-Doctor for DOS . . . . . . . . . . . 57
Cleaning an optical mouse . . . . . . . . . . 58
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