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Lenovo ThinkCentre M55 User Manual - Page 35

Locating, connectors, computer

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Locating connectors on the rear of your computer The following illustration shows locations of connectors on the rear of your computer. 1 Power cord connector 2 Rope clip holes 3 Serial connector (some models) 4 Integrated cable lock 5 PCI adapter connector 6 PCI adapter connector 7 Ethernet connector 8 USB connectors (4) 9 Serial connector 10 Parallel connector 11 VGA monitor connector 12 USB connectors (4) 13 Audio line out connector 14 Audio line in connector 15 PCI Express (x16) graphics adapter connector (some models) 16 Power supply diagnostic LEDs Note: Some connectors on the rear of your computer are color-coded to help determine where to connect the cables. Chapter 3. Installing options 19

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	9
Extension cords and related devices	10
Plugs and outlets	10
Batteries	10
Heat and product ventilation	11
CD and DVD drive safety	11
Additional safety information	12
Lithium battery notice	12
Modem safety information	13
Laser compliance statement	13
Power supply statement	14
Introduction	15
Chapter 1. Arranging your workspace	17
Comfort	17
Glare and lighting	17
Air circulation	18
Electrical outlets and cable lengths	18
Chapter 2. Setting up your computer	19
Connecting your computer	19
Turning on power	24
Finishing the software installation	24
Completing important tasks	24
Updating your operating system	25
Installing other operating systems	25
Updating your antivirus software	25
Shutting down the computer	25
Chapter 3. Installing options	27
Features	27
Available options	30
Specifications	31
Supported operating positions	32
Tools required	33
Handling static-sensitive devices	33
Installing external options	34
Locating connectors on the front of your computer	34
Locating connectors on the rear of your computer	35
Obtaining device drivers	36
Opening the cover	37
Locating components	38
Identifying parts on the system board	39
Installing memory	40
Installing PCI adapters	41
Installing internal drives	43
Drive specifications	44
Installing a drive in bay 1	45
Connecting drives	46
Connecting additional serial ATA hard disk drive	47
Installing a diskette drive in bay 2	48
Security features	50
Identifying security locks	50
Rope Clip	51
Integrated cable lock	52
Password protection	52
Changing the battery	53
Erasing a lost or forgotten password (clearing CMOS)	54
Closing the cover and connecting the cables	55
Chapter 4. Recovering software	57
Creating and using product recovery discs	57
Backup and recovery	58
Using the Rescue and Recovery workspace	59
Solving recovery problems	60
Creating and using rescue media	60
Creating and using a Recovery Repair diskette	61
Recovering or installing device drivers	62
Setting a rescue device in the startup sequence	62
Chapter 5. Using the Setup Utility	65
Starting the Setup Utility program	65
Viewing and changing settings	65
Using passwords	65
Password considerations	65
User Password	66
Administrator Password	66
Setting, changing, and deleting a password	66
Selecting a startup device	66
Selecting a temporary startup device	66
Changing the startup device sequence	67
Advanced settings	67
Exiting from the Setup Utility program	67
Chapter 6. Updating system programs	69
Using system programs	69
Updating (flashing) BIOS from a diskette	69
Chapter 7. Troubleshooting and diagnostics	71
Basic troubleshooting	71
Diagnostic programs	72
PC-Doctor for Windows	73
PC-Doctor for DOS	73
Creating a diagnostic CD image	73
Creating diagnostic diskettes	73
Running diagnostics from the CD or diskettes	74
Running diagnostics from the Rescue and Recovery workspace	74
Cleaning the mouse	74
Optical mouse	75
Non-optical mouse	75
Chapter 8. Getting information, help, and service	77
Information resources	77
Online Books folder	77
ThinkVantage Productivity Center	77
Access Help	78
Warranty and safety	78
www.lenovo.com	78
Help and service	78
Using the documentation and diagnostic programs	79
Calling for service	79
Using other services	80
Purchasing additional services	80
Appendix A. Manual modem commands	81
Basic AT commands	81
Extended AT commands	83
MNP/V.42/V.42bis/V.44 commands	84
Fax Class 1 commands	85
Fax Class 2 commands	85
Voice commands	86
Appendix B. Notices	89
Television output notice	90
Trademarks	90

Match case Limit results 1 per page

Locating

connectors

the

rear

your

computer

The

following

illustration

shows

locations

connectors

the

rear

your

computer.

±1²

Power

cord

connector

±9²

Serial

connector

±2²

Rope

clip

holes

±10²

Parallel

connector

±3²

Serial

connector

(some

models)

±11²

VGA

monitor

connector

±4²

Integrated

cable

lock

±12²

USB

connectors

(4)

±5²

PCI

adapter

connector

±13²

Audio

line

out

connector

±6²

PCI

adapter

connector

±14²

Audio

line

connector

±7²

Ethernet

connector

±15²

PCI

Express

(x16)

graphics

adapter

connector

(some

models)

±8²

USB

connectors

(4)

±16²

Power

supply

diagnostic

LEDs

Note:

Some

connectors

the

rear

your

computer

are

color-coded

help

determine

where

connect

the

cables.

Chapter

Installing

options