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Replacing the front audio and USB
assembly . . . . . . . . . . . . . . . 68
Replacing the internal speaker. . . . . . . 69
Replacing the thermal sensor . . . . . . . 71
Replacing the cover presence switch . . . . 73
Replacing the WiFi units . . . . . . . . . 75
Installing or removing the rear WiFi antenna . 82
Installing or removing the front WiFi antenna . 83
Replacing the keyboard or mouse . . . . . 85
Completing the parts replacement . . . . . 86
Chapter 6. Recovery information . . . 89
Creating and using recovery media . . . . . . 89
Creating recovery media . . . . . . . . . 89
Using recovery media . . . . . . . . . . 90
Performing backup and recovery operations . . . 90
Performing a backup operation . . . . . . 90
Performing a recovery operation . . . . . . 91
Using the Rescue and Recovery workspace . . . 91
Creating and using a rescue medium . . . . . . 92
Creating a rescue medium . . . . . . . . 92
Using a rescue medium . . . . . . . . . 92
Reinstalling preinstalled applications and device
drivers . . . . . . . . . . . . . . . . . . 93
Reinstalling software programs . . . . . . . . 94
Reinstalling device drivers . . . . . . . . . . 94
Solving recovery problems . . . . . . . . . . 94
Chapter 7. Using the Setup Utility
program . . . . . . . . . . . . . . . . 97
Starting the Setup Utility program . . . . . . . 97
Viewing and changing settings . . . . . . . . 97
Using passwords. . . . . . . . . . . . . . 97
Password considerations. . . . . . . . . 98
Power-On Password . . . . . . . . . . 98
Administrator Password . . . . . . . . . 98
Hard Disk Password. . . . . . . . . . . 98
Setting, changing, and deleting a password . 98
Erasing lost or forgotten passwords (clearing
CMOS) . . . . . . . . . . . . . . . . 99
Enabling or disabling a device . . . . . . . . 99
Selecting a startup device . . . . . . . . . . 100
Selecting a temporary startup device . . . . 100
Selecting or changing the startup device
sequence . . . . . . . . . . . . . . . 100
Enabling ErP compliance mode . . . . . . . . 100
ICE performance mode . . . . . . . . . . . 101
ICE thermal alert . . . . . . . . . . . . . . 101
Exiting the Setup Utility program . . . . . . . 102
Chapter 8. Updating system
programs . . . . . . . . . . . . . . 103
Using system programs . . . . . . . . . . . 103
Updating (ashing) the BIOS from a disc . . . . 103
Updating (ashing) the BIOS from your operating
system. . . . . . . . . . . . . . . . . . 104
Recovering from a POST/BIOS update failure . . 104
Chapter 9. Preventing problems . . 105
Keeping your computer current . . . . . . . . 105
Getting the latest device drivers for your
computer . . . . . . . . . . . . . . . 105
Updating your operating system . . . . . . 105
Using System Update . . . . . . . . . . 106
Cleaning and maintenance . . . . . . . . . . 106
Basics . . . . . . . . . . . . . . . . 106
Cleaning your computer . . . . . . . . . 107
Good maintenance practices . . . . . . . 108
Moving your computer . . . . . . . . . . . 108
Chapter 10. Troubleshooting and
diagnostics . . . . . . . . . . . . . 109
Basic troubleshooting . . . . . . . . . . . . 109
Troubleshooting procedure . . . . . . . . . . 110
Troubleshooting . . . . . . . . . . . . . . 110
Audio problems . . . . . . . . . . . . 111
CD problems . . . . . . . . . . . . . 112
DVD problems . . . . . . . . . . . . . 113
Intermittent problems . . . . . . . . . . 115
Keyboard, mouse, or pointing device
problems . . . . . . . . . . . . . . . 115
Monitor problems. . . . . . . . . . . . 116
Networking problems . . . . . . . . . . 118
Option problems . . . . . . . . . . . . 121
Performance and lockup problems . . . . . 122
Printer problems . . . . . . . . . . . . 123
Serial port problems. . . . . . . . . . . 123
Software problems . . . . . . . . . . . 124
USB problems . . . . . . . . . . . . . 125
Lenovo Solution Center . . . . . . . . . . . 125
Chapter 11. Getting information, help,
and service . . . . . . . . . . . . . 127
Information resources . . . . . . . . . . . . 127
Lenovo ThinkVantage Tools . . . . . . . . 127
Lenovo Welcome . . . . . . . . . . . . 127
Help and Support. . . . . . . . . . . . 127
Safety and Warranty. . . . . . . . . . . 127
Lenovo Web site (http://www.lenovo.com) . . 127
Lenovo Support Web site. . . . . . . . . 128
Help and service . . . . . . . . . . . . . . 128
Using the documentation and diagnostic
program . . . . . . . . . . . . . . . 128
Calling for service. . . . . . . . . . . . 128
ii ThinkCentre User Guide