Desktop Computer Hardware Maintenance Manual

Contents
Chapter 1. About this manual . . . . .1
Important safety information . . . . . . . . .1
Important information about replacing the RoHS
compliant FRUs . . . . . . . . . . . . .2
Chapter 2. Safety information . . . . .3
General safety . . . . . . . . . . . . . .3
Electrical safety . . . . . . . . . . . . .3
Voltage-selection switch . . . . . . . . . . .5
Safety inspection guide . . . . . . . . . . .5
Handling electrostatic discharge-sensitive devices . .6
Grounding requirements . . . . . . . . . .7
Safety notices (multi-lingual translations) . . . . .7
Chapter 3. General information . . . .39
Lenovo Care . . . . . . . . . . . . . .39
Additional information resources . . . . . . .39
Specifications . . . . . . . . . . . . . .40
For machine types: 7515, 7523, 7569, 7611, 7706,
7717, 7719, 7749, and 7774. . . . . . . . .40
For machine types: 7522, 7560, 7610, 7705, 7715,
7718, 7721, 7773, and 7799. . . . . . . . .40
For all machine types . . . . . . . . . .41
Chapter 4. General checkout . . . . .43
Problem determination tips . . . . . . . . .43
Chapter 5. Diagnostics . . . . . . . .45
Lenovo System Toolbox . . . . . . . . . .45
PC-Doctor for Windows PE . . . . . . . . .45
Running diagnostics from the Rescue and
Recovery workspace . . . . . . . . . .46
PC-Doctor for DOS . . . . . . . . . . . .46
Creating a diagnostic CD/DVD image . . . .46
Running diagnostics from the disc . . . . . .46
Navigating through the diagnostics programs . .47
Running tests . . . . . . . . . . . . .47
Viewing the test log . . . . . . . . . .48
Chapter 6. Using the Setup Utility . . .49
Starting the Setup Utility program . . . . . . .49
Viewing and changing settings . . . . . . . .49
Using passwords . . . . . . . . . . . .49
Password considerations . . . . . . . . .50
Power-On Password . . . . . . . . . .50
Privileged Access Password . . . . . . . .50
Setting, changing, and deleting a password . . .50
Enabling or disabling a device . . . . . . . .51
Selecting a startup device . . . . . . . . . .51
Selecting a temporary startup device . . . . .51
Selecting or changing the startup device sequence 52
Advanced settings . . . . . . . . . . . .52
Exiting from the Setup Utility program . . . . .52
Chapter 7. Symptom-to-FRU index . . .53
Hard disk drive boot error . . . . . . . . .53
Power supply problems . . . . . . . . . .53
Diagnostic error codes . . . . . . . . . . .54
Beep symptoms . . . . . . . . . . . . .76
POST error codes . . . . . . . . . . . .77
Miscellaneous error messages . . . . . . . .79
Undetermined problems . . . . . . . . . .80
Chapter 8. Replacing FRUs (Machine
Types: 7515, 7523, 7569, 7611, 7706,
7717, 7719, 7749, and 7774.) . . . . .83
Locating connectors on the front of your computer 84
Locating connectors on the rear of your computer 85
Removing the computer cover . . . . . . . .86
Locating components . . . . . . . . . . .88
Locating parts on the system board . . . . . .89
Removing and reinstalling the front bezel . . . .89
Installing or replacing a memory module . . . .90
Installing or replacing an adapter card . . . . .92
Replacing the battery . . . . . . . . . . .95
Replacing the power supply assembly . . . . .96
Replacing the heat sink and fan assembly . . . .98
Replacing the microprocessor . . . . . . . . 100
Replacing the system board . . . . . . . . 103
Replacing the primary hard disk drive . . . . . 105
Replacing the secondary hard disk drive . . . . 107
Replacing the optical drive . . . . . . . . .110
Replacing the diskette drive or card reader . . .112
Replacing the front fan assembly . . . . . . .113
Replacing the rear fan assembly . . . . . . .115
Replacing the internal speaker . . . . . . . .117
Replacing the front audio and USB assembly . . .119
Completing the FRU replacement . . . . . . 120
Chapter 9. Replacing FRUs (Machine
Types: 7522, 7560, 7610, 7705, 7715,
7718, 7721, 7773, and 7799.) . . . . . 123
Locating connectors on the front of the computer 124
Locating connectors on the rear of the computer 125
Opening the computer cover . . . . . . . . 126
Accessing the system board components and
drives . . . . . . . . . . . . . . . . 127
Locating components . . . . . . . . . . . 128
Locating parts on the system board . . . . . . 129
Installing or replacing a memory module . . . . 130
Installing or replacing an adapter card . . . . . 132
Replacing the battery . . . . . . . . . . . 134
Replacing the hard disk drive . . . . . . . . 136
Replacing the optical drive . . . . . . . . . 137
Replacing the power supply assembly . . . . . 140
Replacing the heat sink and fan assembly . . . . 142
Replacing the microprocessor . . . . . . . . 144
Replacing the system board . . . . . . . . 147
© Copyright Lenovo 2009 iii