Replacing the cover presence switch . . . .
70
Replacing the internal speaker. . . . . . .
72
Replacing the front audio and USB
assembly . . . . . . . . . . . . . . .
74
Replacing the WiFi units . . . . . . . . .
76
Installing or removing the rear WiFi antenna .
80
Installing or removing the front WiFi antenna .
82
Replacing the keyboard or mouse . . . . .
85
Completing the parts replacement . . . . .
85
Chapter 6. Recovery information . . .
87
Recovery information for the Windows 7 operating
system . . . . . . . . . . . . . . . . . .
87
Creating and using recovery media . . . . .
87
Performing backup and recovery operations .
88
Using the Rescue and Recovery workspace .
89
Creating and using a rescue medium . . . .
90
Reinstalling preinstalled applications and
device drivers . . . . . . . . . . . . .
91
Reinstalling software programs . . . . . .
92
Reinstalling device drivers . . . . . . . .
92
Solving recovery problems . . . . . . . .
92
Recovery information for the Windows 8 operating
system . . . . . . . . . . . . . . . . . .
93
Chapter 7. Using the Setup Utility
program . . . . . . . . . . . . . . . .
95
Starting the Setup Utility program . . . . . . .
95
Viewing and changing settings . . . . . . . .
95
Using passwords. . . . . . . . . . . . . .
95
Password considerations . . . . . . . . .
96
Power-On Password
. . . . . . . . . .
96
Administrator Password . . . . . . . . .
96
Hard Disk Password. . . . . . . . . . .
96
Setting, changing, and deleting a password .
96
Erasing lost or forgotten passwords (clearing
CMOS) . . . . . . . . . . . . . . . .
97
Enabling or disabling a device
. . . . . . . .
97
Selecting a startup device . . . . . . . . . .
98
Selecting a temporary startup device . . . .
98
Selecting or changing the startup device
sequence . . . . . . . . . . . . . . .
98
Enabling ErP compliance mode . . . . . . . .
98
ICE performance mode . . . . . . . . . . .
99
ICE thermal alert . . . . . . . . . . . . . .
99
Exiting the Setup Utility program
. . . . . . .
100
Chapter 8. Updating system
programs . . . . . . . . . . . . . .
101
Using system programs . . . . . . . . . . .
101
Updating (flashing) the BIOS from a disc . . . .
101
Updating (flashing) the BIOS from your operating
system . . . . . . . . . . . . . . . . . .
102
Recovering from a POST/BIOS update failure . .
102
Chapter 9. Preventing problems . .
103
Keeping your computer current . . . . . . . .
103
Getting the latest device drivers for your
computer . . . . . . . . . . . . . . .
103
Updating your operating system . . . . . .
103
Using System Update . . . . . . . . . .
104
Cleaning and maintenance . . . . . . . . . .
104
Basics . . . . . . . . . . . . . . . .
104
Cleaning your computer . . . . . . . . .
105
Good maintenance practices . . . . . . .
106
Moving your computer
. . . . . . . . . . .
106
Chapter 10. Troubleshooting and
diagnostics . . . . . . . . . . . . .
107
Basic troubleshooting . . . . . . . . . . . .
107
Troubleshooting procedure . . . . . . . . . .
108
Troubleshooting . . . . . . . . . . . . . .
108
Audio problems . . . . . . . . . . . .
109
CD problems . . . . . . . . . . . . .
110
DVD problems . . . . . . . . . . . . .
111
Intermittent problems . . . . . . . . . .
113
Keyboard, mouse, or pointing device
problems . . . . . . . . . . . . . . .
113
Monitor problems. . . . . . . . . . . .
115
Networking problems . . . . . . . . . .
116
Option problems . . . . . . . . . . . .
119
Performance and lockup problems . . . . .
120
Printer problems . . . . . . . . . . . .
122
Serial port problems. . . . . . . . . . .
122
Software problems . . . . . . . . . . .
123
USB problems . . . . . . . . . . . . .
124
Lenovo Solution Center . . . . . . . . . . .
124
Chapter 11. Getting information, help,
and service . . . . . . . . . . . . .
125
Information resources . . . . . . . . . . . .
125
Lenovo ThinkVantage Tools . . . . . . . .
125
Lenovo Welcome . . . . . . . . . . . .
125
Help and Support. . . . . . . . . . . .
125
Safety and Warranty. . . . . . . . . . .
125
Lenovo Web site . . . . . . . . . . . .
125
Lenovo Support Web site. . . . . . . . .
126
Help and service . . . . . . . . . . . . . .
126
Using the documentation and diagnostic
program . . . . . . . . . . . . . . .
126
Calling for service. . . . . . . . . . . .
126
Using other services
. . . . . . . . . .
127
Purchasing additional services
. . . . . .
127
ii
ThinkCentre User Guide
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