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Lenovo 81713GU User Manual - Page 24

Locating, controls, connectors, front, computer

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Locating controls and connectors on the front of your computer The following illustration shows locations of the controls and connectors on the front of your computer. 1 Cover keylock (some models) 6 USB connectors (2) 2 CD or DVD drive 7 Microphone connector (line in) 3 Hard disk drive activity indicator 8 Headphone connector (line out) 4 Power-on indicator 9 Diskette drive 5 Power button 10 User Guide

Section	Page
Contents	5
Important safety information	7
Conditions that require immediate action	7
General safety guidelines	8
Service	8
Power cords and power adapters	8
Extension cords and related devices	9
Plugs and outlets	9
Batteries	9
Heat and product ventilation	10
CD and DVD drive safety	10
Additional safety information	10
Lithium battery notice	12
Modem safety information	12
Laser compliance statement	13
Chapter 1. Overview	15
Information resources	15
Features	16
Available options	19
Specifications	20
Supported operating positions	21
Chapter 2. Installing options	23
Handling static-sensitive devices	23
Installing external options	23
Locating controls and connectors on the front of your computer	24
Locating connectors on the rear of your computer	25
Obtaining device drivers	25
Opening the cover	26
Locating components	27
Accessing system board components and drives	28
Identifying parts on the system board	29
Installing memory	30
Installing PCI adapters	31
Removing and replacing the battery	32
Removing and replacing an optical drive	33
Removing and replacing a diskette drive	34
Installing security features	34
Identifying security locks	35
Integrated security cable	35
Rope clip	37
Cover lock	37
Password protection	37
Erasing a lost or forgotten password (clearing CMOS)	38
Closing the cover and connecting the cables	38
Chapter 3. Using the IBM Setup Utility	39
Starting the IBM Setup Utility program	39
Viewing and changing settings	39
Exiting from the IBM Setup Utility program	39
Using passwords	39
Password considerations	40
User Password	40
Administrator Password	40
IDE Drive User Password	40
IDE Drive Master Password	41
Setting, changing, and deleting a password	41
Using Security Profile by Device	41
Selecting a startup device	42
Selecting a temporary startup device	42
Changing the startup device sequence	42
Advanced settings	42
Appendix A. Updating POST/BIOS	43
POST/BIOS	43
Updating (flashing) BIOS from a diskette	43
Updating (flashing) BIOS from your operating system	43
Recovering from a POST/BIOS update failure	44
Appendix B. Cleaning the mouse	45
Cleaning an optical mouse	45
Cleaning a mouse with a ball	45
Appendix C. Manual modem commands	47
Basic AT commands	47
Extended AT commands	49
MNP/V.42/V.42bis/V.44 commands	50
Fax Class 1 commands	51
Fax Class 2 commands	51
Voice commands	52
Appendix D. Notices	55
Trademarks	56