Table Of Contents - Lenovo ThinkCentre E73 Hardware Maintenance Manual

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 . . . . . . . . . . . .
Handling electrostatic discharge-sensitive
devices . . . . . . . . . . . . . . . . . .
Grounding requirements . . . . . . . . . . . .
Safety notices (multi-lingual translations) . . . . .
Chapter 3. General information . . . . 29
Specifications . . . . . . . . . . . . . . .
For machine types: 10AS and 10AV . . . .
For machine types: 10AU, 10AW, 10BF, and
10BG . . . . . . . . . . . . . . . .
Lenovo programs . . . . . . . . . . . . .
Accessing Lenovo programs on the Windows
7 operating system . . . . . . . . . . .
Accessing Lenovo programs on the Windows
8 operating system . . . . . . . . . . .
Lenovo Support Web site . . . . . . . . . .
Chapter 4. General checkout . . . . . 33
Problem determination tips . . . . . . . . . .
Chapter 5. Troubleshooting and
diagnostics . . . . . . . . . . . . . . 35
Basic troubleshooting . . . . . . . . . . . .
Accessing Control Panel on the Windows 8
operating system. . . . . . . . . . . . . .
Troubleshooting procedure . . . . . . . . . .
Troubleshooting . . . . . . . . . . . . . .
Audio problems . . . . . . . . . . . .
CD problems . . . . . . . . . . . . .
DVD problems . . . . . . . . . . . . .
Intermittent problems . . . . . . . . . .
Hard disk drive problems . . . . . . . . .
Keyboard, mouse, or pointing device
problems . . . . . . . . . . . . . . .
Monitor problems. . . . . . . . . . . .
Networking problems . . . . . . . . . .
Option problems . . . . . . . . . . . .
Performance and lockup problems . . . . .
Printer problems . . . . . . . . . . . .
Serial port problems. . . . . . . . . . .
© Copyright Lenovo 2013
Software problems . . . . . . . . . . .
1 USB problems . . . . . . . . . . . . .
Diagnostics . . . . . . . . . . . . . . . .
Lenovo Solution Center . . . . . . . . .
3
Chapter 6. Using the Setup Utility
3
program . . . . . . . . . . . . . . . . 55
5
Starting the Setup Utility program . . . . . . .
5
Viewing and changing settings . . . . . . . .
6
Using passwords. . . . . . . . . . . . . .
6
Password considerations . . . . . . . . .
6
Power-On Password
Administrator Password . . . . . . . . .
Hard Disk Password. . . . . . . . . . .
29
Setting, changing, and deleting a password .
29
Erasing lost or forgotten passwords (clearing
CMOS) . . . . . . . . . . . . . . . .
30
Enabling or disabling a device
30
Selecting a startup device . . . . . . . . . .
Selecting a temporary startup device . . . .
30
Selecting or changing the startup device
sequence . . . . . . . . . . . . . . .
32
Enabling ErP compliance mode . . . . . . . .
32
Changing the BIOS settings before installing a new
operating system. . . . . . . . . . . . . .
Exiting the Setup Utility program
33
Chapter 7. Symptom-to-FRU index . . 61
Hard disk drive boot error . . . . . . . . . .
Power supply problems . . . . . . . . . . .
35
Beep symptoms . . . . . . . . . . . . . .
POST error codes . . . . . . . . . . . . .
36
Miscellaneous error messages . . . . . . . .
36
Undetermined problems . . . . . . . . . . .
37
37
Chapter 8. Locations . . . . . . . . . 67
39
For machine types: 10AS and 10AU . . . . . .
40
Locating connectors, controls, and indicators
41
on the front of your computer . . . . . . .
41
Locating connectors on the rear of your
computer . . . . . . . . . . . . . . .
42
Locating major FRUs and CRUs . . . . . .
44
Looking up FRU information . . . . . . .
45
Locating parts on the system board . . . .
48
Locating internal drives . . . . . . . . .
49
For machine types: 10AU, 10AW, 10BF, and
50
10BG . . . . . . . . . . . . . . . . . .
51
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