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Lenovo
E73z
User Manual
Lenovo E73z User Manual
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Contents
Chapter 1. About this manual . . . . . . 1
Important safety information . . . . . . . . . .
1
Chapter 2. Safety information . . . . . . 3
General safety . . . . . . . . . . . . . . . .
3
Electrical safety . . . . . . . . . . . . . . .
3
Safety inspection guide . . . . . . . . . . . .
5
Handling electrostatic discharge-sensitive
devices
. . . . . . . . . . . . . . . . . .
5
Grounding requirements . . . . . . . . . . . .
6
Safety notices (multi-lingual translations) . . . . .
6
Chapter 3. General information . . . .
29
Specifications . . . . . . . . . . . . . . .
29
Lenovo programs
. . . . . . . . . . . . .
29
Accessing Lenovo programs on the Windows
7 operating system . . . . . . . . . . .
30
Accessing Lenovo programs on the Windows
8 or Windows 8.1 operating system
. . . .
31
Lenovo Support Web site . . . . . . . . . .
31
Chapter 4. General checkout . . . . .
33
Problem determination tips . . . . . . . . . .
33
Chapter 5. Troubleshooting and
diagnostics . . . . . . . . . . . . . .
35
Basic troubleshooting . . . . . . . . . . . .
35
Accessing Control Panel on the Windows 8 or
Windows 8.1 operating system . . . . . . . .
36
Troubleshooting procedure . . . . . . . . . .
36
Troubleshooting . . . . . . . . . . . . . .
37
Audio problems . . . . . . . . . . . .
37
CD problems . . . . . . . . . . . . .
39
DVD problems . . . . . . . . . . . . .
40
Intermittent problems . . . . . . . . . .
41
Hard disk drive problems . . . . . . . . .
41
Keyboard, mouse, or pointing device
problems . . . . . . . . . . . . . . .
42
Monitor problems. . . . . . . . . . . .
44
Networking problems . . . . . . . . . .
46
Option problems . . . . . . . . . . . .
48
Performance and lockup problems . . . . .
49
Printer problems . . . . . . . . . . . .
51
Serial port problems. . . . . . . . . . .
51
Software problems . . . . . . . . . . .
52
USB problems . . . . . . . . . . . . .
53
Diagnostics . . . . . . . . . . . . . . . .
53
Lenovo Solution Center . . . . . . . . .
54
Chapter 6. Using the Setup Utility
program . . . . . . . . . . . . . . . .
55
Starting the Setup Utility program . . . . . . .
55
Viewing and changing settings . . . . . . . .
55
Using passwords. . . . . . . . . . . . . .
55
Password considerations . . . . . . . . .
56
Power-on password . . . . . . . . . . .
56
Administrator password . . . . . . . . .
56
Setting, changing, and deleting a password .
56
Erasing lost or forgotten passwords (clearing
CMOS) . . . . . . . . . . . . . . . .
56
Enabling or disabling a device
. . . . . . . .
57
Selecting a startup device . . . . . . . . . .
57
Selecting a temporary startup device . . . .
58
Selecting or changing the startup device
sequence . . . . . . . . . . . . . . .
58
Changing the BIOS settings before installing a new
operating system. . . . . . . . . . . . . .
58
Exiting the Setup Utility program
. . . . . . .
58
Chapter 7. Symptom-to-FRU Index . .
59
Hard disk drive boot error . . . . . . . . . .
59
Power supply problems . . . . . . . . . . .
59
Beep symptoms . . . . . . . . . . . . . .
59
POST error codes . . . . . . . . . . . . .
60
Miscellaneous error conditions . . . . . . . .
61
Undetermined problems . . . . . . . . . . .
63
Chapter 8. Locations . . . . . . . . .
65
Locating connectors, controls, and indicators on
the front of your computer . . . . . . . . . .
65
Locating connectors on the rear of your
computer . . . . . . . . . . . . . . . . .
66
Locating major FRUs and CRUs . . . . . . . .
66
Looking up FRU information . . . . . . . . .
69
Locating parts on the system board . . . . . .
69
Chapter 9. Replacing FRUs . . . . . .
71
Removing and installing the computer stand . . .
71
Removing and reinstalling the frame stand . .
71
Removing and installing the monitor stand . .
73
Removing the computer cover . . . . . . . .
75
Removing and reinstalling the feet stand . . . .
75
Removing and installing the hard-disk-drive EMI
shield . . . . . . . . . . . . . . . . . .
76
Replacing the 3.5-inch hard disk drive or hybrid
hard disk drive. . . . . . . . . . . . . . .
78
Replacing the 2.5-inch solid-state drive or hybrid
hard disk drive. . . . . . . . . . . . . . .
80
© Copyright Lenovo 2013, 2014
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