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Lenovo ThinkCentre A85 Hardware Maintenance Manual for ThinkCentre A85 - Page 231

MT 7539: A1B A3A A2B A3B A4B A5B A6B A7B A8B A9B B1B C3A C4A C7B

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Power Cords --secondary Line Cord -LA (High Voltage) Argentina, Paraguay, Uruguay • MT 0104: • MT 0154: • MT 7539: • MT 7548: Line Cord -ANZ • MT 0104: • MT 0154: • MT 7539: • MT 7548: Line Cord -Korea • MT 0104: • MT 0154: • MT 7539: • MT 7548: Line Cord -Hong Kong, Singapore, Malaysia, Brunei, UK, Ireland • MT 0104: A1B A2A A4G A5G A6A A7A • MT 0154: A3G A4G A5G A6G A7G A8G A9G A1G A2G B1G B2G B3G B4G B5G • MT 7539: A1B A3A A2B A3B A4B A5B A6B A7B A8B A9B B1B C3A C4A C7B C8B C9B D1B D2B D3B D4B D5B D6B D5A D8A D9B E1A F1B F2A F3A F4A F5A F6A • MT 7548: A1G A2G A3G A4G Line Cord -Taiwan • MT 0104: • MT 0154: • MT 7539: B2V B3V B4V • MT 7548: Line Cord -Italy • MT 0104: A4G A5G • MT 0154: A3G A4G A5G A6G A7G A8G A9G A1G A2G B1G B2G B3G B4G B5G • MT 7539: • MT 7548: A1G A2G A3G A4G Line Cord -A model Indonesia, Laos, Cambodia, Vietnam, Austria, Belgium, Croatia, Czechoslovakia, Finland, France, Germany, Hungary, Netherlands, Norway, Poland, Portugal, Romania, Spain, Sweden • MT 0104: A2A A6A A7A • MT 0154: • MT 7539: A3A C3A C4A D5A D8A E1A F2A F3A F4A F5A F6A • MT 7548: # 41R3177 41R3197 41R3261 41R3225 41R3279 41R3233 41R3209 CRU 1 1 1 1 1 1 1 Chapter 10. FRU lists 223

Section	Page
Chapter 1. About this manual	9
Important safety information	9
Important information about replacing RoHS compliant FRUs	9
Chapter 2. Safety information	11
General safety	11
Electrical safety	11
Voltage-selection switch	13
Safety inspection guide	13
Handling electrostatic discharge-sensitive devices	14
Grounding requirements	14
Safety notices (multi-lingual translations)	14
Chapter 3. General information	37
Lenovo ThinkVantage Tools	37
Lenovo Welcome	37
Lenovo Solution Center	37
SimpleTap	37
Information resources	37
Specifications	37
Specifications: 0041, 0107, 0163, and 7543	38
Specifications: 0104, 0154, 7539, and 7548	39
Chapter 4. General checkout	41
Problem determination tips	41
Chapter 5. Diagnostic programs	43
Lenovo ThinkVantage Toolbox	43
Lenovo Solution Center	43
PC-Doctor for DOS	44
Creating a diagnostic disc	44
Running the diagnostic program from the diagnostic disc	44
Navigating through the diagnostic programs	44
Running tests	44
Viewing the test log	46
Chapter 6. Using the Setup Utility program	47
Starting the Setup Utility program	47
Viewing or changing settings	47
Using passwords	47
Password considerations	48
Power-on password	48
Administrator password	48
Setting, changing, or deleting a password	48
Enabling or disabling a device	48
Selecting a startup device	49
Selecting a temporary startup device	49
Viewing or changing the startup device sequence	49
Exiting the Setup Utility program	50
Chapter 7. Symptom-to-FRU index	51
Hard disk drive boot error	51
Power Supply Problems	51
Diagnostic error codes	51
Beep symptoms	69
POST error codes	69
Miscellaneous error messages	70
Undetermined problems	72
Chapter 8. Installing or replacing hardware: 0041, 0107, 0163, and 7543	75
Locations	75
Locating connectors, controls, and indicators on the front of your computer	75
Locating connectors and parts on the rear of your computer	76
Locating components	77
Locating parts on the system board	78
Locating internal drives	79
Handling static-sensitive devices	80
Installing or replacing hardware	80
Installing external options	80
Removing the computer cover	80
Removing and reinstalling the front bezel	81
Installing or replacing a PCI card	83
Installing or replacing a memory module	86
Replacing the battery	88
Replacing the power supply assembly	89
Replacing the heat sink and fan assembly	92
Replacing the microprocessor	94
Replacing the optical drive	95
Replacing the hard disk drive	97
Replacing the card reader	100
Replacing the front audio and USB assembly	101
Replacing the rear fan assembly	102
Replacing the system board	103
Completing the parts replacement	106
Chapter 9. Installing or replacing hardware: 0104, 0154, 7539, and 7548	109
Locations	109
Locating connectors, controls, and indicators on the front of your computer	109
Locating connectors and parts on the rear of your computer	110
Locating components	111
Locating parts on the system board	112
Locating internal drives	113
Handling static-sensitive devices	114
Installing or replacing hardware	114
Installing external options	114
Removing the computer cover	115
Removing and reinstalling the front bezel	116
Accessing the system board components and drives	117
Installing or replacing a PCI card	118
Installing or replacing a memory module	121
Replacing the battery	123
Replacing the heat sink and fan assembly	124
Replacing the microprocessor	127
Replacing the power supply assembly	129
Replacing the optical drive	133
Replacing the hard disk drive	136
Replacing the card reader	139
Replacing the front fan assembly	140
Replacing the system board	142
Completing the parts replacement	146
Chapter 10. FRU lists	149
Overall: MT 0041, 0107, 0163, and 7543	149
Mechanical FRUs	154
Keyboard and Mouse	157
Adapters and miscellaneous FRUs	179
Power Cords	181
Recovery discs	186
Windows 7 Starter SP1 Recovery CD	186
Windows 7 Home Basic SP1 Recovery CD	187
Windows 7 Home Premium 32 SP1 Recovery CD	188
Windows 7 Home Premium 64 SP1 Recovery CD	189
Windows 7 Professional 32 SP1 Recovery CD	190
Windows 7 Professional 64 SP1 Recovery CD	191
Windows 7 Ultimate 32 SP1 Recovery CD	193
Windows 7 Ultimate 64 SP1 Recovery CD	194
Windows XP Professional 32 Recovery CD	194
Windows Vista Business 32 Recovery CD	195
Overall: MT 0104, 0154, 7539, and 7548	196
Mechanical FRUs	201
Keyboard and Mouse	204
Adapters and miscellaneous FRUs	226
Power Cords	227
Recovery discs	233
Windows 7 Starter SP1 Recovery CD	233
Windows 7 Home Basic 32 SP1 Recovery CD	234
Windows 7 Home Premium 32 SP1 Recovery CD	235
Windows 7 Home Premium 64 SP1 Recovery CD	236
Windows 7 Professional 32 SP1 Recovery CD	237
Windows 7 Professional 64 SP1 Recovery CD	238
Windows 7 Ultimate 32 SP1 Recovery CD	240
Windows 7 Ultimate 64 SP1 Recovery CD	241
Windows XP Professional 32 Recovery CD	241
Windows Vista Business 32 Recovery CD	242
Chapter 11. Additional service information	245
Security features	245
Hardware-controlled passwords	245
Operating system password	245
Vital Product Data	245
BIOS levels	245
Updating (flashing) the BIOS from a disc	245
Updating (flashing) the BIOS from your operating system	246
Recovering from a POST and BIOS update failure	246
Power management	247
Advanced Configuration and Power Interface (ACPI) BIOS	247
Automatic Power-On features	247
Chapter 12. Getting information, help, and service	249
Information resources	249
Lenovo ThinkVantage Tools	249
Lenovo Welcome	249
Access Help	249
Safety and warranty	249
Lenovo Web site (http://www.lenovo.com)	250
Help and service	250
Using the documentation and diagnostic programs	250
Calling for service	250
Using other services	251
Purchasing additional services	251
Appendix A. Notices	253
Television output notice	254
European conformance CE mark	254
Trademarks	254