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Replacing the microprocessor . . . . . . .
Replacing the internal speakers . . . . . .
Replacing the thermal sensor . . . . . . .
Replacing the integrated camera . . . . . .
Replacing the Wi-Fi card . . . . . . . . .
Replacing the ambient light sensor . . . . .
Replacing the card reader . . . . . . . .
Replacing the ExpressCard . . . . . . . .
GPU . . . . . . . . . . . . . . . . .
port assembly . . . . . . . . . . . . .
Replacing the mouse . . . . . . . . . .
Replacing the keyboard . . . . . . . . .
Completing the parts replacement . . . . .
Chapter 6. Recovery information . . . 77
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 . . . . . . . . . . . . . . . . 85
Starting the Setup Utility program . . . . . . .
Viewing and changing settings . . . . . . . .
Using passwords. . . . . . . . . . . . . .
Password considerations . . . . . . . . .
Administrator Password . . . . . . . . .
Hard Disk Password. . . . . . . . . . .
CMOS) . . . . . . . . . . . . . . . .
Selecting a startup device . . . . . . . . . .
ii
ThinkCentre M93z User Guide
. . . . . . . . . .
. . . . . . . .
56
sequence . . . . . . . . . . . . . . .
59
Enabling ErP compliance mode . . . . . . . .
60
ICE performance mode . . . . . . . . . . .
62
ICE thermal alert . . . . . . . . . . . . . .
64
65
66
67
programs . . . . . . . . . . . . . . . 91
Using system programs . . . . . . . . . . .
68
70
system . . . . . . . . . . . . . . . . . .
71
74
75
Chapter 9. Preventing problems . . . 93
Keeping your computer current . . . . . . . .
computer . . . . . . . . . . . . . . .
77
Updating your operating system . . . . . .
77
Using System Update . . . . . . . . . .
78
Cleaning and maintenance . . . . . . . . . .
79
Basics . . . . . . . . . . . . . . . .
80
Cleaning your computer . . . . . . . . .
Good maintenance practices . . . . . . .
81
Moving your computer . . . . . . . . . . .
82
82
82
diagnostics . . . . . . . . . . . . . . 99
Basic troubleshooting . . . . . . . . . . . .
83
Troubleshooting procedure . . . . . . . . . .
83
Troubleshooting . . . . . . . . . . . . . .
83
Audio problems . . . . . . . . . . . .
83
CD problems . . . . . . . . . . . . .
DVD problems . . . . . . . . . . . . .
84
Intermittent problems . . . . . . . . . .
problems . . . . . . . . . . . . . . .
Monitor problems. . . . . . . . . . . .
85
Networking problems . . . . . . . . . .
85
Option problems . . . . . . . . . . . .
85
Performance and lockup problems . . . . .
86
Printer problems . . . . . . . . . . . .
86
Serial connector problems . . . . . . . .
86
Software problems . . . . . . . . . . .
86
USB problems . . . . . . . . . . . . .
86
Lenovo Solution Center . . . . . . . . . . .
87
87
and service . . . . . . . . . . . . .
88
Information resources . . . . . . . . . . . .
88
Lenovo ThinkVantage Tools . . . . . . . .
88
88
89
89
. . . . . . .
90
91
91
92
92
93
93
93
94
94
94
95
96
97
99
100
100
101
102
103
105
105
107
109
111
112
114
114
115
116
116
117
117
117
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Table of Contents
Troubleshooting
