Table Of Contents - Lenovo ThinkCentre M77 Hardware Maintenance Manual
Hardware maintenance manual (hmm) - thinkcentre m77
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Also See for ThinkCentre M77:
- (150 pages) ,
- Benutzerhandbuch (148 pages) ,
- Ghidul utilizatorului (144 pages)
Table of Contents
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Contents
Chapter 1. About this manual . . . . . . 1
Important safety information . . . . . . . . . .
Chapter 2. Safety information . . . . . . 3
General safety . . . . . . . . . . . . . . . .
Electrical safety . . . . . . . . . . . . . . .
Voltage-selection switch . . . . . . . . . . . .
Safety inspection guide . . . . . . . . . . . .
devices . . . . . . . . . . . . . . . . . .
Grounding requirements . . . . . . . . . . . .
Chapter 3. General information . . . . 33
Lenovo Welcome. . . . . . . . . . . . . .
SimpleTap . . . . . . . . . . . . . . . .
Lenovo Solution Center . . . . . . . . . . .
Specifications . . . . . . . . . . . . . . .
Chapter 4. General checkout . . . . . 37
Problem determination tips . . . . . . . . . .
Chapter 5. Diagnostic programs . . . 39
Lenovo ThinkVantage Toolbox . . . . . . . .
Lenovo Solution Center . . . . . . . . . . .
PC-Doctor for DOS . . . . . . . . . . . . .
Creating a diagnostic disc . . . . . . . .
diagnostic disc . . . . . . . . . . . . .
Running tests . . . . . . . . . . . . .
Viewing the test log . . . . . . . . . . .
program . . . . . . . . . . . . . . . . 43
Starting the Setup Utility program . . . . . . .
Viewing and changing settings . . . . . . . .
Using passwords. . . . . . . . . . . . . .
Password considerations . . . . . . . . .
Administrator Password . . . . . . . . .
Hard Disk Password. . . . . . . . . . .
© Copyright Lenovo 2011, 2012
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1
CMOS) . . . . . . . . . . . . . . . .
3
Selecting a startup device . . . . . . . . . .
3
5
sequence . . . . . . . . . . . . . . .
5
Enabling ErP compliance mode . . . . . . . .
6
6
6
Hard disk drive boot error . . . . . . . . . .
Power supply problems . . . . . . . . . . .
33
Diagnostic error codes . . . . . . . . . . .
33
Beep symptoms . . . . . . . . . . . . . .
33
POST error codes . . . . . . . . . . . . .
34
Miscellaneous error messages . . . . . . . .
34
Undetermined problems . . . . . . . . . . .
34
35
36
Locations. . . . . . . . . . . . . . . . .
on the front of your computer . . . . . . .
37
computer . . . . . . . . . . . . . . .
Locating components . . . . . . . . . .
39
39
Locating internal drives . . . . . . . . .
40
Handling static-sensitive devices . . . . . . .
40
Installing or replacing hardware . . . . . . . .
Removing the computer cover. . . . . . .
40
40
Installing or replacing a PCI card . . . . . .
40
42
Replacing the battery . . . . . . . . . .
43
43
Replacing the microprocessor . . . . . . .
43
44
44
44
Replacing the rear fan . . . . . . . . . .
44
44
45
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45
46
46
46
46
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47
49
49
49
67
67
69
71
73
74
75
76
77
78
78
79
79
80
81
84
. . .
86
88
92
93
95
97
99
101
. . . . .
103
105
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