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Lenovo ThinkCentre M62z Hardware Maintenance Manual (HMM) (July 2012) - ThinkC - Page 75

Locating parts on the system board

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Locating parts on the system board Figure 3 "Locations of the parts and connectors on the system board" on page 69 shows the locations of the parts and connectors on the system board. Figure 3. Locations of the parts and connectors on the system board 1 LCD panel connector 2 Microprocessor fan connector 3 Microprocessor fan connector 4 Inverter connector 5 Power supply connector 6 Memory slots (2) 7 Battery 8 SATA cable connector 9 SATA power connector 10 Rear I/O connector - 30 pin 11 Rear I/O connector - 40 pin 12 Mini PCI express card connector 13 Internal speaker cable connector 14 Power switch cable connector 15 Microprocessor Chapter 8. Locations 69

Section	Page
Chapter 1. About this manual	7
Important Safety Information	7
Chapter 2. Safety information	9
General safety	9
Electrical safety	9
Safety inspection guide	11
Handling electrostatic discharge-sensitive devices	11
Grounding requirements	12
Safety notices (multi-lingual translations)	12
Chapter 3. General information	35
Specifications	35
Lenovo ThinkVantage Tools	35
Lenovo Solution Center	36
Lenovo Welcome	36
SimpleTap	36
Additional information resources	36
Chapter 4. General Checkout	39
Problem determination tips	39
Chapter 5. Troubleshooting and diagnostics	41
Basic troubleshooting	41
Troubleshooting procedure	42
Troubleshooting	43
Audio problems	43
CD problems	44
DVD problems	45
Intermittent problems	47
Keyboard, mouse, or pointing device problems	47
Monitor problems	49
Networking problems	50
Option problems	53
Performance and lockup problems	54
Printer problems	55
Serial port problems	55
Software problems	56
USB problems	57
Diagnostics	57
Lenovo Solution Center	57
Chapter 6. Using the Setup Utility program	59
Starting the Setup Utility program	59
Viewing and changing settings	59
Using passwords	59
Password considerations	60
Power-On Password	60
Administrator Password	60
Hard Disk Password	60
Setting, changing, and deleting a password	60
Enabling or disabling a device	61
Selecting a startup device	61
Selecting a temporary startup device	61
Selecting or changing the startup device sequence	61
Enabling ErP compliance mode	62
Exiting the Setup Utility program	62
Chapter 7. Symptom-to-FRU Index	65
Hard disk drive boot error	65
Power Supply Problems	65
Beep symptoms	65
POST error codes	66
Miscellaneous error conditions	67
Undetermined problems	69
Chapter 8. Locations	71
Locating connectors, controls, and indicators on the front of yo	71
Locating connectors on the rear of your computer	72
Locating major FRUs and CRUs	73
Looking up FRU information	74
Locating parts on the system board	75
Chapter 9. Replacing FRUs	77
Adjusting the computer stand	77
Removing the computer stand	77
Removing the computer cover	78
Opening and closing the system board shielding	79
Opening the system board shielding	79
Closing the system board shielding	80
Replacing the rear I/O shielding	82
Removing the rear I/O shielding	82
Installing the rear I/O shielding	82
Replacing the hard disk drive	83
Removing the hard disk drive	83
Installing a hard disk drive	84
Replacing the optical drive	85
Removing the optical drive	86
Installing an optical drive	86
Replacing the memory module	87
Removing the memory module	88
Installing a memory module	88
Replacing the microprocessor fan assembly	89
Removing the microprocessor fan assembly	89
Installing a microprocessor fan assembly	91
Replacing the microprocessor and heat sink assembly	92
Removing the microprocessor and heat sink assembly	93
Installing the microprocessor and heat sink assembly	94
Replacing the system board	96
Removing the system board	96
Installing a system board	97
Replacing the internal speakers	98
Removing the internal speakers	98
Installing internal speakers	98
Replacing the rear I/O assembly	99
Removing the rear I/O assembly	99
Installing a rear I/O assembly	100
Replacing the inverter	101
Removing the inverter	102
Installing an inverter	103
Replacing the battery	104
Removing the battery	104
Installing a battery	105
Replacing the power supply assembly	105
Removing the power supply assembly	105
Installing a power supply assembly	107
Replacing the LCD panel	109
Removing the LCD panel	109
Installing an LCD panel	110
Replacing the WIFI card	111
Removing the WIFI card	111
Installing the WIFI card	112
Installing a computer wall mount	113
Completing the FRU installation	113
Installing a computer cover	114
Installing a computer stand	114
Chapter 10. Additional Service Information	117
Security features	117
Hardware controlled Passwords	117
Operating system password	117
Vital product data	117
BIOS levels	117
Flash update procedures	117
Updating (flashing) the BIOS from a disc	117
Updating (flashing) the BIOS from your operating system	118
Recovering from a POST/BIOS update failure	118
Power management	119
Automatic configuration and power interface (ACPI) BIOS	119
Automatic Power-On features	119
Appendix A. Notices	121
Television output notice	122
European conformance CE mark	122
Trademarks	122