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Replacing the WiFi card module . . . . . . 64
Installing or removing the rear WiFi antenna . 66
Installing or removing two rear WiFi
antennas . . . . . . . . . . . . . . . 67
Replacing the system fan. . . . . . . . . 69
Replacing the internal speaker. . . . . . . 72
Replacing the keyboard or mouse . . . . . 74
Completing the parts replacement . . . . . 75
Chapter 6. Recovery information . . . 79
Recovery information for the Windows 7 operating
system. . . . . . . . . . . . . . . . . . 79
Creating and using recovery media . . . . . 79
Performing backup and recovery operations . 80
Using the Rescue and Recovery workspace . 81
Creating and using a rescue medium . . . . 82
Reinstalling preinstalled applications and
device drivers . . . . . . . . . . . . . 83
Reinstalling software programs . . . . . . 84
Reinstalling device drivers . . . . . . . . 84
Solving recovery problems . . . . . . . . 84
Recovery information for the Windows 8 operating
system. . . . . . . . . . . . . . . . . . 85
Chapter 7. Using the Setup Utility
program . . . . . . . . . . . . . . . . 87
Starting the Setup Utility program . . . . . . . 87
Viewing and changing settings . . . . . . . . 87
Using passwords. . . . . . . . . . . . . . 87
Password considerations. . . . . . . . . 88
Power-On Password . . . . . . . . . . 88
Administrator Password . . . . . . . . . 88
Hard Disk Password. . . . . . . . . . . 88
Setting, changing, and deleting a password . 88
Erasing lost or forgotten passwords (clearing
CMOS) . . . . . . . . . . . . . . . . 89
Enabling or disabling a device . . . . . . . . 89
Selecting a startup device . . . . . . . . . . 90
Selecting a temporary startup device . . . . 90
Selecting or changing the startup device
sequence . . . . . . . . . . . . . . . 90
Enabling ErP compliance mode . . . . . . . . 90
Exiting the Setup Utility program . . . . . . . 91
Chapter 8. Updating system
programs . . . . . . . . . . . . . . . 93
Using system programs . . . . . . . . . . . 93
Updating (ashing) the BIOS from a disc . . . . 93
Updating (ashing) the BIOS from your operating
system. . . . . . . . . . . . . . . . . . 94
Recovering from a POST/BIOS update failure . . 94
Chapter 9. Preventing problems . . . 95
Keeping your computer current . . . . . . . . 95
Getting the latest device drivers for your
computer . . . . . . . . . . . . . . . 95
Updating your operating system . . . . . . 95
Using System Update . . . . . . . . . . 96
Cleaning and maintenance . . . . . . . . . . 96
Basics . . . . . . . . . . . . . . . . 96
Cleaning your computer . . . . . . . . . 97
Good maintenance practices . . . . . . . 98
Moving your computer . . . . . . . . . . . 98
Chapter 10. Troubleshooting and
diagnostics . . . . . . . . . . . . . . 99
Basic troubleshooting . . . . . . . . . . . . 99
Troubleshooting procedure . . . . . . . . . . 100
Troubleshooting . . . . . . . . . . . . . . 100
Audio problems . . . . . . . . . . . . 101
CD problems . . . . . . . . . . . . . 102
DVD problems . . . . . . . . . . . . . 103
Intermittent problems . . . . . . . . . . 105
Keyboard, mouse, or pointing device
problems . . . . . . . . . . . . . . . 105
Monitor problems. . . . . . . . . . . . 107
Networking problems . . . . . . . . . . 108
Option problems . . . . . . . . . . . . 111
Performance and lockup problems . . . . . 112
Printer problems . . . . . . . . . . . . 113
Serial port problems. . . . . . . . . . . 114
Software problems . . . . . . . . . . . 114
USB problems . . . . . . . . . . . . . 115
Lenovo Solution Center . . . . . . . . . . . 116
Chapter 11. Getting information, help,
and service . . . . . . . . . . . . . 117
Information resources . . . . . . . . . . . . 117
Lenovo ThinkVantage Tools . . . . . . . . 117
Lenovo Welcome . . . . . . . . . . . . 117
Help and Support. . . . . . . . . . . . 117
Safety and Warranty. . . . . . . . . . . 117
Lenovo Web site . . . . . . . . . . . . 117
Lenovo Support Web site. . . . . . . . . 118
Help and service . . . . . . . . . . . . . . 118
Using the documentation and diagnostic
program . . . . . . . . . . . . . . . 118
Calling for service. . . . . . . . . . . . 118
Using other services . . . . . . . . . . 119
Purchasing additional services . . . . . . 119
Appendix A. Notices. . . . . . . . . 121
Trademarks . . . . . . . . . . . . . . . . 122
ii ThinkCentre User Guide