Updating the BIOS from your operating
system . . . . . . . . . . . . . . . .
70
Recovering from a BIOS update failure . . .
70
Chapter 7. Preventing problems . . .
73
Keeping your computer current . . . . . . . .
73
Getting the latest device drivers for your
computer . . . . . . . . . . . . . . .
73
Updating your operating system . . . . . .
73
Using the System Update program . . . . .
74
Cleaning and maintenance . . . . . . . . . .
74
Basics . . . . . . . . . . . . . . . .
74
Cleaning your computer . . . . . . . . .
74
Good maintenance practices . . . . . . .
75
Moving your computer
. . . . . . . . . . .
76
Chapter 8. Troubleshooting and
diagnostics . . . . . . . . . . . . . .
77
Basic troubleshooting . . . . . . . . . . . .
77
Troubleshooting procedure . . . . . . . . . .
78
Troubleshooting . . . . . . . . . . . . . .
78
Audio problems . . . . . . . . . . . .
79
CD problems . . . . . . . . . . . . .
79
DVD problems . . . . . . . . . . . . .
80
Intermittent problems . . . . . . . . . .
81
Hard disk drive problems . . . . . . . . .
81
Problems with the keyboard or mouse
. . .
82
Monitor problems. . . . . . . . . . . .
83
Networking problems . . . . . . . . . .
84
I have connected an option to my computer,
but it does not work . . . . . . . . . . .
86
Performance and lockup problems . . . . .
86
The printer does not work . . . . . . . .
87
Serial connector cannot be accessed . . . .
87
Software problems . . . . . . . . . . .
87
My USB connectors cannot be accessed . .
88
Diagnostics . . . . . . . . . . . . . . . .
88
Lenovo Solution Center . . . . . . . . .
88
UEFI diagnostic program . . . . . . . . .
89
Chapter 9. Service checkout and
symptom-to-FRU index . . . . . . . .
91
Service checkout. . . . . . . . . . . . . .
91
Problem determination tips . . . . . . . .
91
Symptom-to-FRU index . . . . . . . . . . .
92
Hard disk drive boot error . . . . . . . .
92
Power supply problems . . . . . . . . .
93
Beep symptoms . . . . . . . . . . . .
93
POST error codes. . . . . . . . . . . .
93
Miscellaneous error conditions . . . . . .
94
Undetermined problems . . . . . . . . .
96
Chapter 10. Recovery information . .
97
Recovery information for the Windows 7 operating
system . . . . . . . . . . . . . . . . . .
97
Creating and using recovery media . . . . .
97
Performing backup and recovery operations .
98
Creating and using a rescue medium . . . .
100
Reinstalling programs and device drivers . .
100
Solving recovery problems . . . . . . . .
102
Recovery information for the Windows 8.1
operating system. . . . . . . . . . . . . .
102
Refreshing your computer . . . . . . . .
102
Resetting your computer to the factory-default
settings. . . . . . . . . . . . . . . .
102
Using the advanced startup options . . . .
103
Recovering your operating system if Windows
8.1 fails to start. . . . . . . . . . . . .
103
Chapter 11. Installing or replacing
hardware . . . . . . . . . . . . . .
105
Handling static-sensitive devices . . . . . . .
105
Installing or replacing hardware . . . . . . . .
105
Installing external options
. . . . . . . .
105
Removing the computer cover. . . . . . .
105
Removing and reinstalling the front bezel . .
106
Accessing the system board components and
drives . . . . . . . . . . . . . . . .
108
Installing or replacing a memory module . . .
109
Installing or replacing a PCI card . . . . . .
111
Replacing the battery . . . . . . . . . .
113
Replacing the hard disk drive . . . . . . .
114
Replacing the solid-state drive
. . . . . .
116
Installing or replacing the optical drive
. . .
121
Replacing the slim card reader
. . . . . .
124
Replacing the heat sink and fan assembly . .
126
Replacing the power supply assembly
. . .
129
Replacing the microprocessor . . . . . . .
132
Replacing the system board
. . . . . . .
135
Replacing the front audio and USB
assembly . . . . . . . . . . . . . . .
137
Replacing the system fan assembly
. . . .
138
Replacing the thermal sensor . . . . . . .
140
Installing or removing the front Wi-Fi
antenna
. . . . . . . . . . . . . . .
142
Installing or removing the rear Wi-Fi
antenna
. . . . . . . . . . . . . . .
144
Replacing the Wi-Fi units . . . . . . . . .
146
Replacing the keyboard or mouse . . . . .
150
Completing the parts replacement . . . . .
151
Chapter 12. Getting information, help,
and service . . . . . . . . . . . . .
153
Information resources . . . . . . . . . . . .
153
ii
ThinkCentre M79 Hardware Maintenance Manual
Содержание ThinkCentre M79
Страница 1: ...ThinkCentre M79 Hardware Maintenance Manual Machine Types 10CT 10CU 10CV and 10CW ...
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Страница 16: ... 18 kg 37 lb 32 kg 70 5 lb 55 kg 121 2 lb 8 ThinkCentre M79 Hardware Maintenance Manual ...
Страница 19: ...1 2 Chapter 1 Read this first Important safety information 11 ...
Страница 20: ...1 2 12 ThinkCentre M79 Hardware Maintenance Manual ...
Страница 21: ...Chapter 1 Read this first Important safety information 13 ...
Страница 27: ...Chapter 1 Read this first Important safety information 19 ...
Страница 31: ...Chapter 1 Read this first Important safety information 23 ...
Страница 40: ...Figure 4 Component locations 32 ThinkCentre M79 Hardware Maintenance Manual ...
Страница 68: ...Figure 8 Installing a padlock 60 ThinkCentre M79 Hardware Maintenance Manual ...
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Страница 175: ...Appendix D China Energy Label Copyright Lenovo 2014 167 ...
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