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Lenovo ThinkCentre M91p (English) User Guide - Page 17

Input/Output I/O features, Expansion, Power supply, Security features, Preinstalled software programs

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Input/Output (I/O) features • Eight Universal Serial Bus (USB) connectors (two on the front panel and six on the rear panel) • Ethernet connector • One DisplayPort connector • One 9-pin serial port (optional) • One Personal System/2 (PS/2) keyboard connector (optional) • One PS/2 mouse connector (optional) • One VGA monitor connector • Three audio connectors on the rear panel (audio line-in connector, audio line-out connector, and microphone connector) • Two audio connectors on the front panel (microphone connector and headphone connector) For more information, see "Locating connectors, controls, and indicators on the front of your computer" on page 7 and "Locating connectors on the rear of your computer" on page 8. Expansion • One hard disk drive bay • One optical drive bay • One PCI card slot Power supply Your computer comes with 150-watt automatic voltage-sensing power supply. Security features • Computrace Agent software embedded in firmware • Cover presence switch (also called intrusion switch) • Ability to enable or disable a device • Ability to enable and disable USB connectors individually • Keyboard with fingerprint reader (shipped with some models) • Power-on password (POP), administrator password, and hard disk drive password to deter unauthorized use of your computer • Startup sequence control • Startup without keyboard or mouse • Support for an integrated cable lock (Kensington lock) • Trusted Platform Module (TPM) For more information, see Chapter 4 "Security" on page 23. Preinstalled software programs Your computer is preinstalled with software programs to help you work more easily and securely. For more information, see "Software overview" on page 5. Preinstalled operating system Your computer is preinstalled with one of the following operating systems: Chapter 1. Product overview 3

Section	Page
Important safety information	9
Service and upgrades	9
Static electricity prevention	9
Power cords and power adapters	10
Extension cords and related devices	10
Plugs and outlets	11
External devices	11
Heat and product ventilation	11
Operating environment	12
Modem safety information	12
Laser compliance statement	13
Power supply statement	13
Cleaning and maintenance	13
Chapter 1. Product overview	15
Features	15
Specifications	18
Software overview	19
Software provided by Lenovo	19
Adobe Reader	21
Antivirus software	21
Locations	21
Locating connectors, controls, and indicators on the front of yo	21
Locating connectors on the rear of your computer	22
Locating components	24
Locating parts on the system board	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
Register your computer with Lenovo	35
Moving your computer to another country or region	35
Voltage-selection switch	35
Replacement power cords	35
Chapter 4. Security	37
Security features	37
Attaching an integrated cable lock	38
Using passwords	38
BIOS passwords	38
Windows passwords	39
Setting up the integrated Security Chip	39
Setting the Security Chip	39
Using and understanding firewalls	40
Protecting data against viruses	40
Chapter 5. Installing or replacing hardware	41
Handling static-sensitive devices	41
Installing or replacing hardware	41
Installing external options	41
Opening the computer cover	42
Removing and reinstalling the front bezel	42
Installing or replacing a memory module	43
Installing or replacing the PCI card	44
Installing the solid state drive	46
Replacing the hard disk drive	47
Replacing the optical drive	49
Replacing the battery	50
Replacing the heat sink	51
Replacing the microprocessor	53
Replacing the system fan assembly	56
Replacing the internal speaker	58
Replacing the front audio and USB assembly	59
Replacing the ac power adapter	61
Replacing the ac power adapter bracket	62
Replacing the keyboard or mouse	65
Completing the parts replacement	65
Chapter 6. Recovery information	67
Creating and using recovery media	67
Creating recovery media	67
Using recovery media	68
Performing backup and recovery operations	68
Performing a backup operation	68
Performing a recovery operation	69
Using the Rescue and Recovery workspace	69
Creating and using a rescue medium	70
Creating a rescue medium	70
Using a rescue medium	71
Reinstalling preinstalled applications and device drivers	71
Reinstalling software programs	72
Reinstalling device drivers	73
Solving recovery problems	73
Chapter 7. Using the Setup Utility program	75
Starting the Setup Utility program	75
Viewing and changing settings	75
Using passwords	75
Password considerations	76
Power-On Password	76
Administrator Password	76
Hard Disk Password	76
Setting, changing, and deleting a password	76
Erasing lost or forgotten passwords (clearing CMOS)	77
Enabling or disabling a device	77
Selecting a startup device	78
Selecting a temporary startup device	78
Selecting or changing the startup device sequence	78
Enabling ErP compliance mode	78
Smart performance choices	79
Exiting from the Setup Utility program	79
Chapter 8. Updating system programs	81
Using system programs	81
Updating (flashing) the BIOS from a disc	81
Updating (flashing) the BIOS from your operating system	82
Recovering from a POST/BIOS update failure	82
Chapter 9. Preventing problems	83
Keeping your computer current	83
Getting the latest device drivers for your computer	83
Updating your operating system	83
Using System Update	83
Cleaning and maintenance	84
Basics	84
Cleaning your computer	85
Good maintenance practices	86
Moving your computer	86
Chapter 10. Troubleshooting and diagnostics	89
Basic troubleshooting	89
Troubleshooting procedure	90
Troubleshooting	90
Audio problems	91
CD problems	92
DVD problems	93
Intermittent problems	95
Keyboard, mouse, or pointing device problems	95
Monitor problems	97
Networking problems	98
Option problems	101
Performance and lockup problems	102
Printer problems	104
Serial port problems	105
Software problems	105
USB problems	106
Diagnostic programs	106
Lenovo Solution Center	107
Lenovo ThinkVantage Toolbox	107
PC-Doctor for DOS	107
Chapter 11. Getting information, help, and service	109
Information resources	109
Lenovo ThinkVantage Tools	109
ThinkVantage Productivity Center	109
Lenovo Welcome	109
Help and Support	109
Safety and Warranty	110
Lenovo Web site (http://www.lenovo.com)	110
Lenovo Support Web site	110
Help and service	110
Using the documentation and diagnostic programs	110
Calling for service	111
Using other services	111
Purchasing additional services	112
Appendix A. Notices	113
Trademarks	114
Appendix B. Regulatory information	115
Export classification notice	115
Television output notice	115
Electronic emissions notices	115
Federal Communications Commission Declaration of Conformity	115
Additional regulatory information	117
Appendix C. WEEE and recycling information	119
Important WEEE Information	119
Recycling information	119
Recycling information for Brazil	120
Battery recycling information for Taiwan	120
Battery recycling information for the European Union	121
Appendix D. Restriction of Hazardous Substances Directive (RoHS)	123
China RoHS	123
Turkish RoHS	123
Ukraine RoHS	123
India RoHS	124