
Contents
Chapter 1. About this manual .....1
Important safety information .........1
Important information about replacing 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
ThinkVantage Productivity Center .......39
Additional information resources .......39
Specifications ..............40
Chapter 4. General checkout .....41
Checking for power problems ........42
Problem determination tips .........42
Chapter 5. Diagnostics ........45
Lenovo System Toolbox ..........45
PC-Doctor for Windows PE .........46
Running diagnostics from the Rescue and
Recovery workspace ..........46
PC-Doctor for DOS ............46
Creating adiagnostic 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
Administrator Password .........50
Hard Disk User Password ........50
Setting, changing, and deleting apassword...50
Enabling or disabling adevice ........51
Selecting astartup device..........51
Selecting atemporary startup device .....51
Selecting or changing the startup device sequence 52
Exiting from the Setup Utility program .....52
Chapter 7. Symptom-to-FRU index ...53
Hard disk drive boot error .........53
Diagnostic error codes ...........54
Beep symptoms .............73
POST error codes ............74
Miscellaneous error messages ........76
Undetermined problems ..........77
Chapter 8. Replacing FRUs ......79
Locations ...............80
Locating connectors on the front of the computer 80
Locating connectors on the rear of the computer 81
Locating components ..........82
Locating parts on the system board .....83
Opening the computer cover ........84
Replacing the battery ...........85
Replacing amemory module ........86
Replacing the adapter card .........88
Replacing the front audio and USB assembly ...90
Replacing the heat sink ..........91
Replacing the microprocessor ........93
Replacing the system board .........96
Replacing the system fan ..........99
Replacing the hard disk drive ........ 101
Replacing the optical drive ......... 103
Replacing the internal speaker........ 105
Completing the FRU replacement ...... 106
Chapter 9. FRU lists ........ 109
Machine Type 6136 ........... 109
Machine Type 6139 ........... 122
Machine Type 7187 ........... 135
Machine Type 7345 ........... 149
Machine Type 7348 ........... 165
Machine Type 7356 ........... 179
Machine Type 7359 ........... 193
Machine Type 7479 ........... 207
Machine Type 7626 ........... 221
Machine Type 7629 ........... 241
Machine Type 7637 ........... 261
Machine Type 8820 ........... 281
Machine Type 9961 ........... 294
Chapter 10. Additional service
information ............ 309
Security features ............ 309
Hardware controlled passwords ...... 309
Operating system password ....... 309
Vital Product Data........... 309
Secure Managed Client ......... 309
BIOS levels .............. 309
Updating (flashing) BIOS from adisc ..... 310
Recovering from aPOST/BIOS update failure .. 310
Power management ...........311
Automatic configuration and power interface
(ACPI) BIOS.............311
Automatic Power-On features .......311
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