Lenovo ThinkCentre M72z Hardware Maintenance Manual (HMM) for ThinkCentre M72z - Page 5

Contents, Using the Setup Utility - 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 ThinkVantage Tools 29 Lenovo Welcome 30 Lenovo Solution Center 30 SimpleTap 30 Additional information resources 31 Chapter 4. General Checkout . . . . . 33 Problem determination tips 33 Chapter 5. Troubleshooting and diagnostics 35 Basic troubleshooting 35 Troubleshooting procedure 36 Troubleshooting 37 Audio problems 37 CD problems 38 DVD problems 39 Intermittent problems 41 Keyboard, mouse, or pointing device problems 41 Monitor problems 43 Networking problems 44 Option problems 47 Performance and lockup problems . . . . . 48 Printer problems 49 Serial port problems 49 Software problems 50 USB problems 51 Diagnostics 51 Lenovo Solution Center 51 Chapter 6. Using the Setup Utility program 53 Starting the Setup Utility program 53 © Copyright Lenovo 2012 Viewing and changing settings 53 Using passwords 53 Password considerations 54 Power-On Password 54 Administrator Password 54 Hard Disk Password 54 Setting, changing, and deleting a password . 54 Enabling or disabling a device 55 Selecting a startup device 55 Selecting a temporary startup device . . . . 55 Selecting or changing the startup device sequence 55 Exiting the Setup Utility program 56 Chapter 7. Symptom-to-FRU Index . . 57 Hard disk drive boot error 57 Power Supply Problems 57 Beep symptoms 57 POST error codes 58 Miscellaneous error conditions 59 Undetermined problems 60 Chapter 8. Locations 63 Locating connectors, controls, and indicators on the front of your computer 63 Locating connectors on the rear of your computer 64 Locating major FRUs and CRUs 66 Looking up FRU information 69 System board parts and connectors 70 Chapter 9. Replacing FRUs 71 Removing and reinstalling the system stand hinge cover 71 Removing and reinstalling the system stand . . . 73 Removing and reinstalling the monitor stand . . . 75 Removing and reinstalling the frame stand. . . . 76 Removing the computer cover 79 Replacing the hard disk drive 79 Replacing the optical drive 82 Removing the VESA mount bracket 83 Replacing the rear I/O assembly 84 Removing and reinstalling the system board shield 86 Replacing the power supply 87 Replacing the microprocessor fan 88 Replacing the heat sink assembly 89 Replacing the microprocessor 91 iii

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Contents
Chapter 1. About this manual
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1
Important Safety Information
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Chapter 2. Safety information
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3
General safety
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3
Electrical safety
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Safety inspection guide
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5
Handling electrostatic discharge-sensitive
devices
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Grounding requirements
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Safety notices (multi-lingual translations)
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Chapter 3. General information
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29
Specifications
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Lenovo ThinkVantage Tools
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Lenovo Welcome
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Lenovo Solution Center
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SimpleTap
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Additional information resources
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Chapter 4. General Checkout
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Problem determination tips
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33
Chapter 5. Troubleshooting and
diagnostics
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Basic troubleshooting
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Troubleshooting procedure
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Troubleshooting
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Audio problems
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CD problems
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DVD problems
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Intermittent problems
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41
Keyboard, mouse, or pointing device
problems
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Monitor problems
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43
Networking problems
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44
Option problems
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47
Performance and lockup problems
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Printer problems
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49
Serial port problems
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49
Software problems
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USB problems
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Diagnostics
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51
Lenovo Solution Center
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51
Chapter 6. Using the Setup Utility
program
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53
Starting the Setup Utility program
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53
Viewing and changing settings
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53
Using passwords
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53
Password considerations
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54
Power-On Password
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Administrator Password
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54
Hard Disk Password
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54
Setting, changing, and deleting a password
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54
Enabling or disabling a device
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55
Selecting a startup device
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55
Selecting a temporary startup device
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55
Selecting or changing the startup device
sequence
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55
Exiting the Setup Utility program
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56
Chapter 7. Symptom-to-FRU Index . .
57
Hard disk drive boot error
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57
Power Supply Problems
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57
Beep symptoms
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57
POST error codes
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58
Miscellaneous error conditions
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59
Undetermined problems
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60
Chapter 8. Locations
.........
63
Locating connectors, controls, and indicators on
the front of your computer
.
.
.
.
.
.
.
.
.
.
63
Locating connectors on the rear of your
computer
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
64
Locating major FRUs and CRUs
.
.
.
.
.
.
.
.
66
Looking up FRU information
.
.
.
.
.
.
.
.
.
69
System board parts and connectors
.
.
.
.
.
.
70
Chapter 9. Replacing FRUs
......
71
Removing and reinstalling the system stand hinge
cover
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
71
Removing and reinstalling the system stand .
.
.
73
Removing and reinstalling the monitor stand .
.
.
75
Removing and reinstalling the frame stand
.
.
.
.
76
Removing the computer cover
.
.
.
.
.
.
.
.
79
Replacing the hard disk drive
.
.
.
.
.
.
.
.
.
79
Replacing the optical drive
.
.
.
.
.
.
.
.
.
.
82
Removing the VESA mount bracket
.
.
.
.
.
.
83
Replacing the rear I/O assembly
.
.
.
.
.
.
.
.
84
Removing and reinstalling the system board
shield
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
86
Replacing the power supply
.
.
.
.
.
.
.
.
.
87
Replacing the microprocessor fan
.
.
.
.
.
.
.
88
Replacing the heat sink assembly
.
.
.
.
.
.
.
89
Replacing the microprocessor
.
.
.
.
.
.
.
.
91
© Copyright Lenovo 2012
iii