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Lenovo ThinkCentre M72e (English) User Guide - Page 21

Locating connectors on the rear of your computer, connect the cables on your computer.

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Locating connectors on the rear of your computer Figure 2 "Rear connector locations" on page 9 shows the locations of the connectors on the rear of your computer. Some connectors on the rear of your computer are color-coded to help you determine where to connect the cables on your computer. Figure 2. Rear connector locations 1 Voltage-selection switch (available on some models) 2 Power cord connector 3 PS/2 keyboard connector 4 DVI monitor connector 5 VGA monitor connector 6 USB connectors (USB ports 3 to 6) 7 Microphone connector 8 Audio line-out connector 9 Audio line-in connector 10 PCI Express x16 graphics card slot 11 PCI Express x1 card slots (2) 12 Integrated cable lock (Kingston lock) slot 13 Padlock loop 14 Optional serial port (Serial port 2) 15 Ethernet connector 16 Serial port (Serial port 1) 17 PS/2 mouse connector Connector Audio line-in connector Audio line-out connector Description Used to receive audio signals from an external audio device, such as a stereo system. When you attach an external audio device, a cable is connected between the audio line-out connector of the device and the audio line-in connector of the computer. Used to send audio signals from the computer to external devices, such as powered stereo speakers (speakers with built-in amplifiers), headphones, multimedia keyboards, or the audio line-in connector on a stereo system or other external recording device. Chapter 1. Product overview 9

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	17
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	23
Locating parts on the system board	23
Locating internal drives	26
Machine type and model label	27
Chapter 2. Using your computer	29
Frequently asked questions	29
Using the keyboard	29
Using Windows shortcut keys	29
Using a fingerprint reader	30
Using the wheel mouse	30
Adjusting audio	30
About your computer audio	30
Setting the volume from the desktop	31
Setting the volume from Control Panel	31
Using CDs and DVDs	31
Handling and storing CD and DVD media	32
Playing a CD or DVD	32
Recording a CD or DVD	32
Chapter 3. You and your computer	35
Accessibility and comfort	35
Arranging your workspace	35
Comfort	35
Glare and lighting	36
Air circulation	36
Electrical outlets and cable lengths	36
Registering your computer	37
Moving your computer to another country or region	37
Voltage-selection switch	37
Replacement power cords	38
Chapter 4. Security	39
Security features	39
Locking the computer cover	40
Attaching an integrated cable lock	41
Using passwords	41
BIOS passwords	41
Windows passwords	42
Configuring the fingerprint reader	42
Using and understanding firewalls	42
Protecting data against viruses	42
Chapter 5. Installing or replacing hardware	45
Handling static-sensitive devices	45
Installing or replacing hardware	45
Installing external options	45
Removing the computer cover	46
Removing and reinstalling the front bezel	47
Installing or replacing a PCI card	48
Installing or replacing a memory module	51
Installing or replacing the optical drive	53
Replacing the battery	55
Replacing the heat sink and fan assembly	56
Replacing the power supply assembly	58
Replacing the microprocessor	59
Installing the solid state drive	62
Replacing the primary hard disk drive	63
Replacing the rear fan assembly	65
Replacing the front audio and USB assembly	67
Replacing the WiFi units	68
Installing or removing the rear WiFi antenna	74
Installing or removing the front WiFi antenna	75
Replacing the keyboard	77
Replacing the mouse	78
Completing the parts replacement	79
Chapter 6. Recovery information	81
Creating and using recovery media	81
Creating recovery media	81
Using recovery media	82
Performing backup and recovery operations	82
Performing a backup operation	82
Performing a recovery operation	83
Using the Rescue and Recovery workspace	83
Creating and using a rescue medium	84
Creating a rescue medium	84
Using a rescue medium	85
Reinstalling preinstalled applications and device drivers	85
Reinstalling software programs	86
Reinstalling device drivers	87
Solving recovery problems	87
Chapter 7. Using the Setup Utility program	89
Starting the Setup Utility program	89
Viewing and changing settings	89
Using passwords	89
Password considerations	90
Power-On Password	90
Administrator Password	90
Hard Disk Password	90
Setting, changing, and deleting a password	90
Erasing lost or forgotten passwords (clearing CMOS)	91
Enabling or disabling a device	91
Selecting a startup device	92
Selecting a temporary startup device	92
Selecting or changing the startup device sequence	92
Enabling ErP compliance mode	92
Exiting from the Setup Utility program	93
Chapter 8. Updating system programs	95
Using system programs	95
Updating (flashing) the BIOS from a disc	95
Updating (flashing) the BIOS from your operating system	96
Recovering from a POST/BIOS update failure	96
Chapter 9. Preventing problems	99
Keeping your computer current	99
Getting the latest device drivers for your computer	99
Updating your operating system	99
Using System Update	100
Cleaning and maintenance	100
Basics	100
Cleaning your computer	101
Good maintenance practices	102
Moving your computer	102
Chapter 10. Troubleshooting and diagnostics	105
Basic troubleshooting	105
Troubleshooting procedure	106
Troubleshooting	106
Audio problems	107
CD problems	108
DVD problems	109
Intermittent problems	111
Keyboard, mouse, or pointing device problems	111
Monitor problems	113
Networking problems	114
Option problems	117
Performance and lockup problems	118
Printer problems	120
Serial port problems	121
Software problems	121
USB problems	122
Diagnostic programs	122
Lenovo Solution Center	123
Lenovo ThinkVantage Toolbox	123
PC-Doctor for DOS	123
Chapter 11. Getting information, help, and service	125
Information resources	125
Lenovo ThinkVantage Tools	125
Lenovo Welcome	125
Help and Support	125
Safety and Warranty	125
Lenovo Web site (http://www.lenovo.com)	125
Lenovo Support Web site	126
Help and service	126
Using the documentation and diagnostic programs	126
Calling for service	126
Using other services	127
Purchasing additional services	127
Appendix A. Notices	129
Trademarks	130
Appendix B. Regulatory information	131
Export classification notice	131
Television output notice	131
Electronic emissions notices	131
Federal Communications Commission Declaration of Conformity	131
Additional regulatory information	133
Appendix C. WEEE and recycling statements	135
Important WEEE Information	135
Recycling information	135
Recycling information for Brazil	136
Battery recycling information for Taiwan	136
Battery recycling information for the European Union	137
Appendix D. Restriction of Hazardous Substances Directive (RoHS)	139
China RoHS	139
Turkish RoHS	139
Ukraine RoHS	139
India RoHS	140
Appendix E. Ek Bilgiler	141
Appendix F. Servis istasyonlari	143