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Replacing the WiFi units . . . . . . . . .
Replacing the keyboard . . . . . . . . .
Replacing the mouse . . . . . . . . . .
Completing the parts replacement . . . . .
Chapter 6. Recovery information . . . 75
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 . . . . . . . . . . . . . . . . 83
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 . . . . . .
ICE performance mode . . . . . . . . . . .
ICE thermal alert . . . . . . . . . . . . . .
Exiting from the Setup Utility program . . . . .
programs . . . . . . . . . . . . . . . 89
ii
ThinkCentre M73 User Guide
. . . . . . . . . .
. . . . . . . .
62
Using system programs . . . . . . . . . . .
68
69
system . . . . . . . . . . . . . . . . . .
71
72
73
Chapter 9. Preventing problems . . . 91
Keeping your computer current . . . . . . . .
computer . . . . . . . . . . . . . . .
75
Updating your operating system . . . . . .
75
Using System Update . . . . . . . . . .
76
Cleaning and maintenance . . . . . . . . . .
77
Basics . . . . . . . . . . . . . . . .
78
Cleaning your computer . . . . . . . . .
79
Good maintenance practices . . . . . . .
80
Moving your computer . . . . . . . . . . .
80
80
diagnostics . . . . . . . . . . . . . . 95
Basic troubleshooting . . . . . . . . . . . .
81
Troubleshooting procedure . . . . . . . . . .
81
Troubleshooting . . . . . . . . . . . . . .
81
Audio problems . . . . . . . . . . . .
81
CD problems . . . . . . . . . . . . .
DVD problems . . . . . . . . . . . . .
82
Intermittent problems . . . . . . . . . .
problems . . . . . . . . . . . . . . .
Monitor problems. . . . . . . . . . . .
83
Networking problems . . . . . . . . . .
83
Option problems . . . . . . . . . . . .
83
Performance and lockup problems . . . . .
84
Printer problems . . . . . . . . . . . .
84
Serial connector problems . . . . . . . .
84
Software problems . . . . . . . . . . .
84
USB problems . . . . . . . . . . . . .
84
Lenovo Solution Center . . . . . . . . . . .
85
85
and service . . . . . . . . . . . . .
86
Information resources . . . . . . . . . . . .
86
Lenovo ThinkVantage Tools . . . . . . . .
Help and Support. . . . . . . . . . . .
86
Safety and Warranty. . . . . . . . . . .
86
Lenovo Web site . . . . . . . . . . . .
87
Lenovo Support Web site. . . . . . . . .
87
Help and service . . . . . . . . . . . . . .
88
program . . . . . . . . . . . . . . .
Calling for service. . . . . . . . . . . .
113
. . . . . . . . . .
89
89
90
90
91
91
91
92
92
92
93
94
94
95
96
96
97
98
99
101
101
103
105
107
108
110
110
111
112
112
113
113
113
113
113
114
114
114
114
115
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Table of Contents
Troubleshooting
