Lenovo M4350 Desktop - Manual (Page 3)

Contents
About this manual . . . . . . . . . . . . . . iii
Chapter 1. Safety information . . . . . . 1
General safety . . . . . . . . . . . . . . . . 1
Electrical safety . . . . . . . . . . . . . . . 1
Voltage-selection switch . . . . . . . . . . . . 3
Safety inspection guide . . . . . . . . . . . . 3
Handling electrostatic discharge-sensitive
devices
. . . . . . . . . . . . . . . . . . 4
Grounding requirements . . . . . . . . . . . . 4
Safety notices (multi-lingual translations) . . . . . 4
Chapter 2. General information . . . . 27
Specifications . . . . . . . . . . . . . . . 27
Lenovo Support Web site . . . . . . . . . . 28
Chapter 3. General checkout . . . . . 29
Problem determination tips . . . . . . . . . . 29
Chapter 4. Troubleshooting and
diagnostics . . . . . . . . . . . . . .
31
Basic troubleshooting . . . . . . . . . . . . 31
Accessing Control Panel on the Windows 8
operating system. . . . . . . . . . . . . .
32
Troubleshooting procedure . . . . . . . . . . 32
Troubleshooting . . . . . . . . . . . . . . 32
Audio problems . . . . . . . . . . . . 33
CD problems . . . . . . . . . . . . . 34
DVD problems . . . . . . . . . . . . . 35
Intermittent problems . . . . . . . . . . 36
Hard disk drive problems . . . . . . . . . 37
Keyboard, mouse, or pointing device
problems . . . . . . . . . . . . . . .
37
Monitor problems. . . . . . . . . . . . 39
Networking problems . . . . . . . . . . 40
Option problems . . . . . . . . . . . . 43
Performance and lockup problems . . . . . 43
Printer problems . . . . . . . . . . . . 45
Serial port problems. . . . . . . . . . . 45
Software problems . . . . . . . . . . . 46
USB problems . . . . . . . . . . . . . 46
Diagnostics . . . . . . . . . . . . . . . . 47
Lenovo Solution Center . . . . . . . . . 47
Chapter 5. Using the Setup Utility
program . . . . . . . . . . . . . . . .
49
Starting the Setup Utility program . . . . . . . 49
Viewing and changing settings . . . . . . . . 49
Using passwords. . . . . . . . . . . . . . 49
Password considerations . . . . . . . . . 50
Power-On Password . . . . . . . . . . 50
Administrator Password . . . . . . . . . 50
Hard Disk Password. . . . . . . . . . . 50
Setting, changing, and deleting a password . 50
Erasing lost or forgotten passwords (clearing
CMOS) . . . . . . . . . . . . . . . .
51
Enabling or disabling a device . . . . . . . . 51
Selecting a startup device . . . . . . . . . . 51
Selecting a temporary startup device . . . . 52
Selecting or changing the startup device
sequence . . . . . . . . . . . . . . .
52
Enabling ErP compliance mode . . . . . . . . 52
Changing the BIOS settings before installing a new
operating system. . . . . . . . . . . . . .
53
Exiting the Setup Utility program . . . . . . . 53
Chapter 6. Symptom-to-FRU index . . 55
Hard disk drive boot error . . . . . . . . . . 55
Power supply problems . . . . . . . . . . . 55
Beep symptoms . . . . . . . . . . . . . . 55
POST error codes . . . . . . . . . . . . . 56
Miscellaneous error messages . . . . . . . . 58
Undetermined problems . . . . . . . . . . . 59
Chapter 7. Locations . . . . . . . . . 61
Locating connectors, controls, and indicators on
the front of your computer . . . . . . . . . .
61
Locating connectors on the rear of your
computer . . . . . . . . . . . . . . . . .
62
Locating major FRUs . . . . . . . . . . . . 63
Locating parts on the system board . . . . . . 66
Locating internal drives . . . . . . . . . . . 67
Chapter 8. Replacing FRUs . . . . . . 69
Handling static-sensitive devices . . . . . . . 69
Installing or replacing hardware . . . . . . . . 69
Removing the computer cover. . . . . . . 69
Removing and reinstalling the front bezel . . 70
Replacing the primary hard disk drive . . . . 72
Replacing the thermal sensor . . . . . . . 74
Replacing the front audio and USB
assembly . . . . . . . . . . . . . . .
76
Replacing the optical drive . . . . . . . . 77
Replacing the power supply assembly . . . 79
Replacing the system fan. . . . . . . . . 81
Installing or replacing a PCI card . . . . . . 82
Replacing the battery . . . . . . . . . . 85
Installing or replacing a memory module . . . 86
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