Chapter 9. Symptom-to-FRU Index . . 53
Hard disk drive boot error . . . . . . . . . . 53
Power Supply Problems . . . . . . . . . . . 53
Diagnostic error codes . . . . . . . . . . . 54
Beep symptoms . . . . . . . . . . . . . . 71
POST error codes . . . . . . . . . . . . . 72
Miscellaneous error messages . . . . . . . . 73
Undetermined problems . . . . . . . . . . . 75
Chapter 10. Replacing FRUs (Type
4105, 4157, 4217) . . . . . . . . . . . 77
Locating controls and connectors on the front of
your computer. . . . . . . . . . . . . . . 77
Rear connectors . . . . . . . . . . . . . . 77
Removing the cover . . . . . . . . . . . . 78
Locations. . . . . . . . . . . . . . . . . 79
Locating parts on the system board . . . . . . 81
Removing the front bezel . . . . . . . . . . 82
Replacing the power supply . . . . . . . . . 82
Replacing a memory module . . . . . . . . . 84
Replacing a PCI adapter card . . . . . . . . . 86
Replacing the heat sink . . . . . . . . . . . 90
Replacing the microprocessor . . . . . . . . 92
Replacing the system board . . . . . . . . . 94
Replacing a hard disk drive. . . . . . . . . . 97
Replacing the hard disk drive fan assembly . . . 100
Replacing an optical drive . . . . . . . . . . 101
Replacing the diskette drive or card reader . . . 102
Replacing the front and rear fan assemblies . . . 104
Replacing the front panel connectors assembly. . 105
Replacing the power switch/LED assembly . . . 106
Replacing the battery . . . . . . . . . . . . 106
Replacing the internal speaker . . . . . . . . 107
Completing the FRU replacement . . . . . . . 108
Chapter 11. Replacing FRUs (Type
4155, 4158, 4218) . . . . . . . . . . 109
Locating controls and connectors on the front of
your computer. . . . . . . . . . . . . . . 109
Rear connectors . . . . . . . . . . . . . . 109
Removing the cover . . . . . . . . . . . . 110
Locations. . . . . . . . . . . . . . . . . 111
Locating parts on the system board . . . . . . 113
Removing the front bezel . . . . . . . . . . 114
Replacing the power supply . . . . . . . . . 114
Installing or replacing a memory module . . . . 116
Replacing a PCI adapter card . . . . . . . . . 118
Replacing the heat sink . . . . . . . . . . . 121
Replacing the microprocessor . . . . . . . . 122
Replacing the system board . . . . . . . . . 124
Replacing a hard disk drive. . . . . . . . . . 127
Replacing the hard disk drive fan assembly . . . 130
Replacing an optical drive . . . . . . . . . . 131
Replacing the diskette drive or card reader . . . 132
Replacing the front and rear fan assemblies . . . 133
Replacing the front panel connectors assembly. . 134
Replacing the power switch/LED assembly . . . 135
Replacing the battery . . . . . . . . . . . . 136
Replacing the internal speaker . . . . . . . . 137
Completing the FRU replacement . . . . . . . 138
Chapter 12. FRU lists . . . . . . . . 139
Overall: MT 4105, 4157 and 4217 . . . . . . . 139
Mechanical FRUs . . . . . . . . . . . . . 153
Keyboard and Mouse . . . . . . . . . . . . 156
Adapters and miscellaneous FRUs . . . . . . . 175
Power Cords . . . . . . . . . . . . . . . 178
Recovery discs . . . . . . . . . . . . . . 182
Windows XP Professional 64 Mono Recovery
CD . . . . . . . . . . . . . . . . . 182
Windows Vista Business 32 Recovery CD . . 183
Windows Vista Business 64 Recovery CD . . 186
Windows 7 Professional 64 SP1 Recovery
CD . . . . . . . . . . . . . . . . . 190
Windows 7 Ultimate 64 SP1 Recovery CD . . 194
Overall: MT 4155, 4158, and 4218 . . . . . . . 194
Mechanical FRUs . . . . . . . . . . . . . 210
Keyboard and Mouse . . . . . . . . . . . . 212
Adapters and miscellaneous FRUs . . . . . . . 230
Power Cords . . . . . . . . . . . . . . . 234
Recovery discs . . . . . . . . . . . . . . 238
Windows XP Professional 64 Mono Recovery
CD . . . . . . . . . . . . . . . . . 238
Windows Vista Business 32 Recovery CD . . 239
Windows Vista Business 64 Recovery CD . . 242
Windows 7 Professional 64 SP1 Recovery
CD . . . . . . . . . . . . . . . . . 246
Windows 7 Ultimate 64 SP1 Recovery CD . . 249
Chapter 13. Additional Service
Information . . . . . . . . . . . . . 251
Security features . . . . . . . . . . . . . . 251
Hardware controlled Passwords . . . . . . 251
Operating system password . . . . . . . 251
Vital product data. . . . . . . . . . . . 251
BIOS levels . . . . . . . . . . . . . . . . 251
Flash update procedures . . . . . . . . . . 251
Updating (ashing) BIOS from a disc . . . . 252
Updating (ashing) BIOS from the operating
system. . . . . . . . . . . . . . . . . . 252
Recovering from a POST/BIOS update failure . . 252
Power management . . . . . . . . . . . . 253
iv ThinkStation Hardware Maintenance Manual