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Replacing the rear fan assembly . . . . . . 60
Replacing the front audio and USB
assembly . . . . . . . . . . . . . . . 62
Replacing the internal speaker. . . . . . . 63
Replacing the thermal sensor . . . . . . . 65
Replacing the cover presence switch . . . . 67
Replacing the WiFi units . . . . . . . . . 69
Installing or removing the rear WiFi antenna . 75
Installing or removing the front WiFi antenna . 76
Replacing the keyboard or mouse . . . . . 78
Completing the parts replacement . . . . . 79
Chapter 6. Recovery information . . . 81
Recovery information for the Windows 7 operating
system. . . . . . . . . . . . . . . . . . 81
Creating and using recovery media . . . . . 81
Performing backup and recovery operations . 82
Using the Rescue and Recovery workspace . 83
Creating and using a rescue medium . . . . 84
Reinstalling preinstalled applications and
device drivers . . . . . . . . . . . . . 85
Reinstalling software programs . . . . . . 86
Reinstalling device drivers . . . . . . . . 86
Solving recovery problems . . . . . . . . 86
Recovery information for the Windows 8 operating
system. . . . . . . . . . . . . . . . . . 87
Chapter 7. Using the Setup Utility
program . . . . . . . . . . . . . . . . 89
Starting the Setup Utility program . . . . . . . 89
Viewing and changing settings . . . . . . . . 89
Using passwords. . . . . . . . . . . . . . 89
Password considerations. . . . . . . . . 90
Power-On Password . . . . . . . . . . 90
Administrator Password . . . . . . . . . 90
Hard Disk Password. . . . . . . . . . . 90
Setting, changing, and deleting a password . 90
Erasing lost or forgotten passwords (clearing
CMOS) . . . . . . . . . . . . . . . . 91
Enabling or disabling a device . . . . . . . . 91
Selecting a startup device . . . . . . . . . . 92
Selecting a temporary startup device . . . . 92
Selecting or changing the startup device
sequence . . . . . . . . . . . . . . . 92
Enabling ErP compliance mode . . . . . . . . 92
ICE performance mode . . . . . . . . . . . 93
ICE thermal alert . . . . . . . . . . . . . . 93
Exiting the Setup Utility program . . . . . . . 94
Chapter 8. Updating system
programs . . . . . . . . . . . . . . . 95
Using system programs . . . . . . . . . . . 95
Updating (ashing) the BIOS from a disc . . . . 95
Updating (ashing) the BIOS from your operating
system. . . . . . . . . . . . . . . . . . 96
Recovering from a POST/BIOS update failure . . 96
Chapter 9. Preventing problems . . . 97
Keeping your computer current . . . . . . . . 97
Getting the latest device drivers for your
computer . . . . . . . . . . . . . . . 97
Updating your operating system . . . . . . 97
Using System Update . . . . . . . . . . 98
Cleaning and maintenance . . . . . . . . . . 98
Basics . . . . . . . . . . . . . . . . 98
Cleaning your computer . . . . . . . . . 99
Good maintenance practices . . . . . . . 100
Moving your computer . . . . . . . . . . . 100
Chapter 10. Troubleshooting and
diagnostics . . . . . . . . . . . . . 101
Basic troubleshooting . . . . . . . . . . . . 101
Troubleshooting procedure . . . . . . . . . . 102
Troubleshooting . . . . . . . . . . . . . . 102
Audio problems . . . . . . . . . . . . 103
CD problems . . . . . . . . . . . . . 104
DVD problems . . . . . . . . . . . . . 105
Intermittent problems . . . . . . . . . . 107
Keyboard, mouse, or pointing device
problems . . . . . . . . . . . . . . . 107
Monitor problems. . . . . . . . . . . . 109
Networking problems . . . . . . . . . . 110
Option problems . . . . . . . . . . . . 113
Performance and lockup problems . . . . . 114
Printer problems . . . . . . . . . . . . 115
Serial port problems. . . . . . . . . . . 116
Software problems . . . . . . . . . . . 116
USB problems . . . . . . . . . . . . . 117
Lenovo Solution Center . . . . . . . . . . . 118
Chapter 11. Getting information, help,
and service . . . . . . . . . . . . . 119
Information resources . . . . . . . . . . . . 119
Lenovo ThinkVantage Tools . . . . . . . . 119
Lenovo Welcome . . . . . . . . . . . . 119
Help and Support. . . . . . . . . . . . 119
Safety and Warranty. . . . . . . . . . . 119
Lenovo Web site . . . . . . . . . . . . 119
Lenovo Support Web site. . . . . . . . . 120
Help and service . . . . . . . . . . . . . . 120
Using the documentation and diagnostic
program . . . . . . . . . . . . . . . 120
Calling for service. . . . . . . . . . . . 120
Using other services . . . . . . . . . . 121
ii ThinkCentre User Guide