Lenovo M4350 Desktop - Manual (Page 3)

Contents
Important safety information . . . . . iii
Service and upgrades . . . . . . . . . . . . . iii
Static electricity prevention . . . . . . . . . . . iii
Power cords and power adapters . . . . . . . . iv
Extension cords and related devices . . . . . . . iv
Plugs and outlets. . . . . . . . . . . . . . . iv
External devices . . . . . . . . . . . . . . .
v
Heat and product ventilation . . . . . . . . . . v
Operating environment . . . . . . . . . . . . vi
Modem safety information . . . . . . . . . . . vi
Laser compliance statement . . . . . . . . . . vi
Power supply statement . . . . . . . . . . .
vii
Cleaning and maintenance . . . . . . . . . . vii
Chapter 1. Product overview . . . . . . 1
Specifications . . . . . . . . . . . . . . . . 1
Locations. . . . . . . . . . . . . . . . . . 1
Locating connectors, controls, and indicators
on the front of your computer . . . . . . . .
2
Locating connectors on the rear of your
computer . . . . . . . . . . . . . . . .
3
Locating parts on the system board . . . . . 4
Chapter 2. You and your computer . . . 7
Accessibility and comfort . . . . . . . . . . . 7
Arranging your workspace . . . . . . . . . 7
Comfort . . . . . . . . . . . . . . . . 7
Glare and lighting . . . . . . . . . . . . . 8
Air circulation . . . . . . . . . . . . . . 8
Electrical outlets and cable lengths . . . . . . 8
Moving your computer to another country or
region . . . . . . . . . . . . . . . . . . .
9
Voltage-selection switch . . . . . . . . . . 9
Replacement power cords . . . . . . . . . 9
Chapter 3. Security . . . . . . . . . . 11
Locking the computer cover . . . . . . . . . 11
Attaching an integrated cable lock . . . . . . . 12
Using passwords. . . . . . . . . . . . . . 12
BIOS passwords . . . . . . . . . . . . 12
Windows passwords . . . . . . . . . . 13
Using and understanding firewalls . . . . . . . 13
Chapter 4. Recovery information . . . 15
Recovery information for the Windows 8 operating
system . . . . . . . . . . . . . . . . . .
15
Using Rescue System . . . . . . . . . . . . 16
Chapter 5. Using the Setup Utility
program . . . . . . . . . . . . . . . .
19
Starting the Setup Utility program . . . . . . . 19
Viewing and changing settings . . . . . . . . 19
Using passwords. . . . . . . . . . . . . . 19
Password considerations . . . . . . . . . 20
Power-On Password . . . . . . . . . . 20
Administrator Password . . . . . . . . . 20
Hard Disk Password. . . . . . . . . . . 20
Setting, changing, and deleting a password . 20
Enabling or disabling a device . . . . . . . . 21
Selecting a startup device . . . . . . . . . . 21
Selecting a temporary startup device . . . . 21
Selecting or changing the startup device
sequence . . . . . . . . . . . . . . .
21
Enabling ErP compliance mode . . . . . . . . 22
Exiting the Setup Utility program . . . . . . . 22
Chapter 6. Preventing problems . . . 25
Keeping your computer current . . . . . . . . 25
Getting the latest device drivers for your
computer . . . . . . . . . . . . . . .
25
Updating your operating system . . . . . . 25
Cleaning and maintenance . . . . . . . . . . 26
Basics . . . . . . . . . . . . . . . . 26
Cleaning your computer . . . . . . . . . 26
Good maintenance practices . . . . . . . 27
Moving your computer . . . . . . . . . . . 28
Chapter 7. Troubleshooting and
diagnostics . . . . . . . . . . . . . .
29
Basic troubleshooting . . . . . . . . . . . . 29
Troubleshooting procedure . . . . . . . . . . 30
Troubleshooting . . . . . . . . . . . . . . 30
Audio problems . . . . . . . . . . . . 31
CD problems . . . . . . . . . . . . . 32
DVD problems . . . . . . . . . . . . . 33
Intermittent problems . . . . . . . . . . 34
Keyboard, mouse, or pointing device
problems . . . . . . . . . . . . . . .
34
Monitor problems. . . . . . . . . . . . 35
Networking problems . . . . . . . . . . 37
Performance and lockup problems . . . . . 39
Printer problems . . . . . . . . . . . . 41
Serial port problems. . . . . . . . . . . 41
USB problems . . . . . . . . . . . . . 42
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