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Replacing the WiFi units . . . . . . . . . 57
Installing or removing the rear WiFi antenna . 62
Installing or removing the front WiFi antenna . 64
Replacing the keyboard or mouse . . . . . 66
Completing the parts replacement . . . . . 67
Chapter 6. Recovery information . . . 69
Recovery information for the Windows 7 operating
system. . . . . . . . . . . . . . . . . . 69
Creating and using recovery media . . . . . 69
Performing backup and recovery operations . 70
Using the Rescue and Recovery workspace . 71
Creating and using a rescue medium . . . . 72
Reinstalling preinstalled applications and
device drivers . . . . . . . . . . . . . 73
Reinstalling software programs . . . . . . 74
Reinstalling device drivers . . . . . . . . 74
Solving recovery problems . . . . . . . . 74
Recovery information for the Windows 8 operating
system. . . . . . . . . . . . . . . . . . 75
Chapter 7. Using the Setup Utility
program . . . . . . . . . . . . . . . . 77
Starting the Setup Utility program . . . . . . . 77
Viewing and changing settings . . . . . . . . 77
Using passwords. . . . . . . . . . . . . . 77
Password considerations. . . . . . . . . 78
Power-On Password . . . . . . . . . . 78
Administrator Password . . . . . . . . . 78
Hard Disk Password. . . . . . . . . . . 78
Setting, changing, and deleting a password . 78
Erasing lost or forgotten passwords (clearing
CMOS) . . . . . . . . . . . . . . . . 79
Enabling or disabling a device . . . . . . . . 79
Selecting a startup device . . . . . . . . . . 80
Selecting a temporary startup device . . . . 80
Selecting or changing the startup device
sequence . . . . . . . . . . . . . . . 80
Enabling ErP compliance mode . . . . . . . . 80
Exiting the Setup Utility program . . . . . . . 81
Chapter 8. Updating system
programs . . . . . . . . . . . . . . . 83
Using system programs . . . . . . . . . . . 83
Updating (ashing) the BIOS from a disc . . . . 83
Updating (ashing) the BIOS from your operating
system. . . . . . . . . . . . . . . . . . 84
Recovering from a POST/BIOS update failure . . 84
Chapter 9. Preventing problems . . . 85
Keeping your computer current . . . . . . . . 85
Getting the latest device drivers for your
computer . . . . . . . . . . . . . . . 85
Updating your operating system . . . . . . 85
Using System Update . . . . . . . . . . 86
Cleaning and maintenance . . . . . . . . . . 86
Basics . . . . . . . . . . . . . . . . 86
Cleaning your computer . . . . . . . . . 87
Good maintenance practices . . . . . . . 88
Moving your computer . . . . . . . . . . . 88
Chapter 10. Troubleshooting and
diagnostics . . . . . . . . . . . . . . 91
Basic troubleshooting . . . . . . . . . . . . 91
Troubleshooting procedure . . . . . . . . . . 92
Troubleshooting . . . . . . . . . . . . . . 92
Audio problems . . . . . . . . . . . . 93
CD problems . . . . . . . . . . . . . 94
DVD problems . . . . . . . . . . . . . 95
Intermittent problems . . . . . . . . . . 97
Keyboard, mouse, or pointing device
problems . . . . . . . . . . . . . . . 97
Monitor problems. . . . . . . . . . . . 99
Networking problems . . . . . . . . . . 101
Option problems . . . . . . . . . . . . 103
Performance and lockup problems . . . . . 104
Printer problems . . . . . . . . . . . . 106
Serial port problems. . . . . . . . . . . 106
Software problems . . . . . . . . . . . 107
USB problems . . . . . . . . . . . . . 108
Diagnostic programs . . . . . . . . . . . . 108
Lenovo Solution Center . . . . . . . . . 108
Lenovo ThinkVantage Toolbox. . . . . . . 109
PC-Doctor for DOS . . . . . . . . . . . 109
Chapter 11. Getting information, help,
and service . . . . . . . . . . . . . 111
Information resources . . . . . . . . . . . . 111
Lenovo ThinkVantage Tools . . . . . . . . 111
Lenovo Welcome . . . . . . . . . . . . 111
Help and Support. . . . . . . . . . . . 111
Safety and Warranty. . . . . . . . . . . 111
Lenovo Web site . . . . . . . . . . . . 111
Lenovo Support Web site. . . . . . . . . 112
Help and service . . . . . . . . . . . . . . 112
Using the documentation and diagnostic
programs . . . . . . . . . . . . . . . 112
Calling for service. . . . . . . . . . . . 112
Using other services . . . . . . . . . . 113
Purchasing additional services . . . . . . 113
Appendix A. Notices. . . . . . . . . 115
Trademarks . . . . . . . . . . . . . . . . 116
ii ThinkCentre User Guide