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Lenovo ThinkCentre M58e Hardware Maintenance Manual - Page 75

Removing the computer cover

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1 Microprocessor 2 Microprocessor fan connector 3 Memory slots (2) 4 Thermal sensor connector 5 Diskette drive connector 6 24-pin power connector 7 Battery 8 Cover presence (Intrusion) switch connector 9 SATA connectors (4) 10 Clear CMOS (Complementary Metal Oxide Semiconductor)/Recovery jumper 11 Power fan connector 12 Front panel connector 13 Front USB connectors (2) 14 Serial (COM 2) connector 15 Front audio connector 16 Internal speaker connector 17 PCI adapter card slots (2) 18 PCI Express x1 adapter card slot 19 PCI Express x16 graphics adapter card slot 20 System fan connector 21 4-pin power connector Removing the computer cover CAUTION: The heat sink and microprocessor might be very hot. Turn off the computer and wait three to five minutes to let the computer cool before opening the computer cover. This section provides instructions on how to remove the computer cover. To remove the computer cover: 1. Remove any media from the drives, shut down your operating system, and turn off all attached devices and the computer. 2. Unplug all power cords from electrical outlets. Chapter 8. Replacing FRUs (Types 7258, 7260, 7268, 7270, 7280, 7296, 7298, 7304, 7307,7413, 7491, and 7508) 69

Section	Page
Chapter 1. About this manual	7
Important Safety Information	7
Important information about replacing RoHS compliant FRUs	7
Turkish statement of compliance	8
Chapter 2. Safety information	9
General safety	9
Electrical safety	9
Voltage-selection switch	11
Safety inspection guide	11
Handling electrostatic discharge-sensitive devices	12
Grounding requirements	12
Safety notices (multi-lingual translations)	12
Chapter 3. General information	35
The ThinkVantage Productivity Center program	35
Additional information resources	35
Specifications	35
Types 7258, 7260, 7268, 7270, 7280, 7296, 7298, 7304, 7307,7413, 7491, and 7508	36
Types 7259, 7267, 7269, 7279, 7297, 7303, 7306, 7487, 7506, and 7514	36
Chapter 4. General Checkout	39
Problem determination tips	39
Chapter 5. Diagnostics	41
Lenovo System Toolbox	41
PC-Doctor for Windows PE	41
Running diagnostics from the Rescue and Recovery workspace	41
PC-Doctor for DOS	42
Creating a diagnostic CD/DVD image	42
Running diagnostics from the disc	42
Navigating through the diagnostics programs	42
Running tests	42
Viewing the test log	44
Chapter 6. Using the Setup Utility	45
Starting the Setup Utility program	45
Viewing and changing settings	45
Using passwords	45
Password considerations	45
Power-On Password	46
Privileged Access Password	46
Setting, changing, and deleting a password	46
Enabling or disabling a device	46
Selecting a startup device	47
Selecting a temporary startup device	47
Selecting or changing the startup device sequence	47
Advanced settings	47
Exiting from the Setup Utility program	47
Chapter 7. Symptom-to-FRU Index	49
Hard disk drive boot error	49
Power Supply Problems	49
Diagnostic error codes	50
Beep symptoms	67
POST error codes	68
Miscellaneous error messages	69
Undetermined problems	71
Chapter 8. Replacing FRUs (Types 7258, 7260, 7268, 7270, 7280, 7296, 7298, 7304, 7307,7413, 7491, and 7508)	73
Locations	73
Rear connectors	73
Computer components	74
System board connectors	74
Removing the computer cover	75
Removing and installing the front bezel	76
Replacing the power supply assembly	77
Replacing the system board	78
Replacing the heat sink and fan assembly	80
Replacing the microprocessor	81
Replacing a memory module	85
Installing or replacing an adapter card	86
Replacing the primary hard disk drive	88
Replacing the secondary hard disk drive	91
Replacing an optical drive	94
Replacing the diskette drive or card reader	94
Replacing the front fan assembly	96
Replacing the rear fan assembly	97
Replacing the front audio/USB assembly	99
Replacing the power switch/LED assembly	99
Replacing the CMOS battery	100
Replacing the Internal speaker	101
Completing the FRU replacement	101
Chapter 9. Replacing FRUs (Types 7259, 7267, 7269, 7279, 7290, 7297, 7303, 7306, 7408, 7487, 7506 and 7514)	103
Locations	103
Rear connectors	103
Computer components	104
System board connectors	104
Opening the cover	105
Accessing system board components and drives	106
Replacing a memory module	106
Replacing the battery	107
Replacing the power supply	108
Replacing the system board	110
Replacing the microprocessor	113
Replacing the heat sink and fan assembly	115
Replacing the hard disk drive	116
Replacing the optical drive	118
Replacing the internal speaker	120
Replacing the power switch/LED assembly	121
Replacing the card reader	122
Installing or replacing an adapter card	122
Completing the FRU replacement	124
Chapter 10. FRU lists	127
Overall: MT 7258, 7260, 7268, 7270, 7280, 7296, 7298, 7304, 7307,7413, 7491, and 7508	127
Mechanical FRUs	153
Keyboard and Mouse	164
Adapters and miscellaneous FRUs	207
Power Cords	215
Recovery discs	227
Overall: MT 7259, 7267, 7269, 7279, 7297, 7303, 7306, 7487, 7506, and 7514	323
Mechanical FRUs	353
Keyboard and Mouse	365
Adapters and miscellaneous FRUs	407
Power Cords	416
Recovery discs	428
Chapter 11. Additional Service Information	527
Security features	527
Hardware controlled Passwords	527
Operating system password	527
Vital product data	527
BIOS levels	527
Flash update procedures	527
Updating (flashing) BIOS from a disc	528
Updating (flashing) BIOS from your operating system	528
Recovering from a POST/BIOS update failure	528
Power management	529
Automatic configuration and power interface (ACPI) BIOS	529
Automatic Power-On features	529
Appendix A. Notices	531
Television output notice	532
Trademarks	532