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Lenovo ThinkCentre M72e (English) User Guide - Page 23

Locating parts on the system board - sata power

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Locating parts on the system board Figure 4 "System board part locations" on page 11 shows the locations of the parts on the system board. Figure 4. System board part locations 1 4-pin power connector 2 Microprocessor 3 Microprocessor fan connector 4 Memory slot 1 (DIMM1) 5 Memory slot 2 (DIMM2) 6 Thermal sensor connector 7 24-pin power connector 8 Power fan connector 9 Parallel connector 10 Front panel connector (for connecting LED indicators and power switch) 11 Front USB connector 1 (for connecting USB ports 1 and 2 on the front bezel) 12 SATA connectors (3) 13 Front USB connector 2 (for connecting additional USB devices) 14 Clear CMOS (Complementary Metal Oxide Semiconductor) /Recovery jumper 15 Battery 16 Cover presence switch connector (Intrusion switch connector) 17 Serial (COM2) connector 18 Front audio connector 19 Internal speaker connector 20 PCI Express x1 card slots (2) 21 PCI Express x16 graphics card slot 22 System fan connector Chapter 1. Product overview 11

Section	Page
Important safety information	7
Service and upgrades	7
Static electricity prevention	7
Power cords and power adapters	8
Extension cords and related devices	8
Plugs and outlets	9
External devices	9
Heat and product ventilation	9
Operating environment	10
Modem safety information	10
Laser compliance statement	11
Power supply statement	11
Cleaning and maintenance	11
Chapter 1. Product overview	13
Features	13
Specifications	16
Software overview	16
Software provided by Lenovo	16
Adobe Reader	19
Antivirus software	19
Locations	19
Locating connectors, controls, and indicators on the front of yo	20
Locating connectors on the rear of your computer	21
Locating components	22
Locating parts on the system board	23
Locating internal drives	24
Machine type and model label	25
Chapter 2. Using your computer	27
Frequently asked questions	27
Using the keyboard	27
Using Windows shortcut keys	27
Using a fingerprint reader	28
Using the wheel mouse	28
Adjusting audio	28
About your computer audio	28
Setting the volume from the desktop	29
Setting the volume from Control Panel	29
Using CDs and DVDs	29
Handling and storing CD and DVD media	30
Playing a CD or DVD	30
Recording a CD or DVD	30
Chapter 3. You and your computer	33
Accessibility and comfort	33
Arranging your workspace	33
Comfort	33
Glare and lighting	34
Air circulation	34
Electrical outlets and cable lengths	34
Registering your computer	35
Moving your computer to another country or region	35
Voltage-selection switch	35
Replacement power cords	36
Chapter 4. Security	37
Security features	37
Locking the computer cover	38
Attaching an integrated cable lock	39
Using passwords	39
BIOS passwords	39
Windows passwords	40
Configuring the fingerprint reader	40
Using and understanding firewalls	40
Protecting data against viruses	40
Chapter 5. Installing or replacing hardware	43
Handling static-sensitive devices	43
Installing or replacing hardware	43
Installing external options	43
Removing the computer cover	44
Removing and reinstalling the front bezel	44
Accessing the system board components and drives	46
Installing or replacing a memory module	47
Installing or replacing a PCI card	49
Replacing the battery	51
Installing the solid state drive	52
Replacing the hard disk drive	53
Installing or replacing the optical drive	55
Replacing the heat sink and fan assembly	59
Replacing the power supply assembly	62
Replacing the microprocessor	66
Replacing the front audio and USB assembly	69
Replacing the system fan assembly	70
Replacing the WiFi units	72
Installing or removing the rear WiFi antenna	76
Installing or removing the front WiFi antenna	78
Replacing the keyboard	80
Replacing the mouse	81
Completing the parts replacement	82
Chapter 6. Recovery information	85
Creating and using recovery media	85
Creating recovery media	85
Using recovery media	86
Performing backup and recovery operations	86
Performing a backup operation	86
Performing a recovery operation	87
Using the Rescue and Recovery workspace	87
Creating and using a rescue medium	88
Creating a rescue medium	88
Using a rescue medium	89
Reinstalling preinstalled applications and device drivers	89
Reinstalling software programs	90
Reinstalling device drivers	91
Solving recovery problems	91
Chapter 7. Using the Setup Utility program	93
Starting the Setup Utility program	93
Viewing and changing settings	93
Using passwords	93
Password considerations	94
Power-On Password	94
Administrator Password	94
Hard Disk Password	94
Setting, changing, and deleting a password	94
Erasing lost or forgotten passwords (clearing CMOS)	95
Enabling or disabling a device	95
Selecting a startup device	96
Selecting a temporary startup device	96
Selecting or changing the startup device sequence	96
Enabling ErP compliance mode	96
Exiting from the Setup Utility program	97
Chapter 8. Updating system programs	99
Using system programs	99
Updating (flashing) the BIOS from a disc	99
Updating (flashing) the BIOS from your operating system	100
Recovering from a POST/BIOS update failure	100
Chapter 9. Preventing problems	103
Keeping your computer current	103
Getting the latest device drivers for your computer	103
Updating your operating system	103
Using System Update	104
Cleaning and maintenance	104
Basics	104
Cleaning your computer	105
Good maintenance practices	106
Moving your computer	106
Chapter 10. Troubleshooting and diagnostics	109
Basic troubleshooting	109
Troubleshooting procedure	110
Troubleshooting	110
Audio problems	111
CD problems	112
DVD problems	113
Intermittent problems	115
Keyboard, mouse, or pointing device problems	115
Monitor problems	117
Networking problems	118
Option problems	121
Performance and lockup problems	122
Printer problems	124
Serial port problems	125
Software problems	125
USB problems	126
Diagnostic programs	126
Lenovo Solution Center	127
Lenovo ThinkVantage Toolbox	127
PC-Doctor for DOS	127
Chapter 11. Getting information, help, and service	129
Information resources	129
Lenovo ThinkVantage Tools	129
Lenovo Welcome	129
Help and Support	129
Safety and Warranty	129
Lenovo Web site (http://www.lenovo.com)	129
Lenovo Support Web site	130
Help and service	130
Using the documentation and diagnostic programs	130
Calling for service	130
Using other services	131
Purchasing additional services	131
Appendix A. Notices	133
Trademarks	134
Appendix B. Regulatory information	135
Export classification notice	135
Television output notice	135
Electronic emissions notices	135
Federal Communications Commission Declaration of Conformity	135
Additional regulatory information	137
Appendix C. WEEE and recycling statements	139
Important WEEE Information	139
Recycling information	139
Recycling information for Brazil	140
Battery recycling information for Taiwan	140
Battery recycling information for the European Union	141
Appendix D. Restriction of Hazardous Substances Directive (RoHS)	143
China RoHS	143
Turkish RoHS	143
Ukraine RoHS	143
India RoHS	144
Appendix E. Ek Bilgiler	145
Appendix F. Servis istasyonlari	147