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Replacing the keyboard or mouse . . . . .
Completing the parts replacement . . . . .
Chapter 6. Recovery information . . . 79
system . . . . . . . . . . . . . . . . . .
Creating and using recovery media . . . . .
device drivers . . . . . . . . . . . . .
Reinstalling software programs . . . . . .
Reinstalling device drivers . . . . . . . .
Solving recovery problems . . . . . . . .
Windows 8.1 operating system . . . . . . . .
Refreshing your computer . . . . . . . .
settings. . . . . . . . . . . . . . . .
8 or Windows 8.1 fails to start . . . . . . .
program . . . . . . . . . . . . . . . . 87
Starting the Setup Utility program . . . . . . .
Viewing and changing settings . . . . . . . .
Using passwords. . . . . . . . . . . . . .
Password considerations . . . . . . . . .
Administrator Password . . . . . . . . .
Hard Disk Password. . . . . . . . . . .
CMOS) . . . . . . . . . . . . . . . .
Selecting a startup device . . . . . . . . . .
sequence . . . . . . . . . . . . . . .
Enabling ErP LPS compliance mode . . . . . .
programs . . . . . . . . . . . . . . . 93
Using system programs . . . . . . . . . . .
system . . . . . . . . . . . . . . . . . .
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ThinkCentre E73 User Guide
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. . . . . . . .
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Chapter 9. Preventing problems . . . 95
71
73
Keeping your computer current . . . . . . . .
75
computer . . . . . . . . . . . . . . .
76
Updating your operating system . . . . . .
Using System Update . . . . . . . . . .
Cleaning and maintenance . . . . . . . . . .
79
Basics . . . . . . . . . . . . . . . .
79
Cleaning your computer . . . . . . . . .
80
Good maintenance practices . . . . . . .
81
Moving your computer . . . . . . . . . . .
82
83
diagnostics . . . . . . . . . . . . .
84
Basic troubleshooting . . . . . . . . . . . .
84
Troubleshooting procedure . . . . . . . . . .
84
Troubleshooting . . . . . . . . . . . . . .
Audio problems . . . . . . . . . . . .
85
CD problems . . . . . . . . . . . . .
85
DVD problems . . . . . . . . . . . . .
Intermittent problems . . . . . . . . . .
85
85
problems . . . . . . . . . . . . . . .
Monitor problems. . . . . . . . . . . .
86
Networking problems . . . . . . . . . .
Option problems . . . . . . . . . . . .
Performance and lockup problems . . . . .
Printer problems . . . . . . . . . . . .
87
Serial connector problems . . . . . . . .
87
Software problems . . . . . . . . . . .
87
USB problems . . . . . . . . . . . . .
88
Diagnostic programs . . . . . . . . . . . .
88
Lenovo Solution Center . . . . . . . . .
88
Lenovo ThinkVantage Toolbox . . . . . . .
88
PC-Doctor for DOS . . . . . . . . . . .
88
89
and service . . . . . . . . . . . . .
89
Information resources . . . . . . . . . . . .
90
Lenovo ThinkVantage Tools . . . . . . . .
90
Help and Support. . . . . . . . . . . .
90
Safety and Warranty. . . . . . . . . . .
90
Lenovo Web site . . . . . . . . . . . .
91
Lenovo Support Web site. . . . . . . . .
Help and service . . . . . . . . . . . . . .
programs . . . . . . . . . . . . . . .
93
Calling for service. . . . . . . . . . . .
93
94
94
101
121
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95
95
95
96
96
96
97
98
98
101
102
102
103
104
105
107
107
109
111
113
114
116
116
117
118
118
119
119
119
121
121
121
121
121
122
122
122
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Table of Contents
Troubleshooting
