Lenovo 3128, 3120, 3122, 3126 manual Installing options Memory module PCI card Security features

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installing options
memory module		17
PCI card	18
security features		53
internal drives	1

internal speaker, replacing 44

K

keyboard replacing 51

L

Lenovo Customer Support Center 77
Lenovo Solution Center		70
Lenovo ThinkVantage Toolbox			71
Lenovo ThinkVantage Tools			75
Lenovo Web site	76
Lenovo Welcome	5
locating components		10

M

media, creating and using recovery media 55

memory module		1
installing, replacing			17
system board		17
microphone connector			9
microprocessor		1
replacing	41
mouse
cleaning	72
non-optical 72
optical mouse		72
replacing	51

N

non-optical mouse 72 notice, television output 80 notices 79

O

Online Books folder 75
opening computer cover 14
operations, backup and recovery	56
optical drive, installing or replacing	30
optical mouse 72

P

parts replacement, completing		52
password
considerations	62
erasing 54
lost or forgotten	54
setting, changing, deleting		62
password protection 53

PC-Doctor for DOS		71
PCI card 18
installing, replacing			18
physical specifications			4
power supply
features	2
power supply assembly
replacing	36
power-on password		62
power-onself-test (POST)				65
programs, updating system				65
protection, password			53
PS/2 keyboard connector				9
PS/2 mouse connector			9
purchasing additional services 78

R

rear connectors 7 recovering

from a POST and BIOS update failure 66

software	55
recovery
Boot-block Recovery				66
operations, backup and				56
problems, solving			59
recovery media, creating and using					55
reinstalling
device drivers		59
removing, reinstalling
front bezel 15
replacing
battery	26
hard disk drive		27
heat sink and fan assembly 33
keyboard	51
microprocessor		41
mouse	51
power supply assembly				36
Rescue and Recovery			55
workspace, Rescue and Recovery					57
Rescue and Recovery workspace 57
resources, information			75

S

safety iii
safety information		76
security
cable lock 53
enabling or disabling 62
features	2, 53
selecting
startup device		63
temporary startup device 63
serial port	9
service
and help	77
getting	75

Lenovo Customer Support Center 77

84ThinkCentre User Guide

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Contents ThinkCentre User Guide Second Edition December Copyright Lenovo Contents Index Important safety information Iv ThinkCentre User Guide Features Product overviewConnectivity Preinstalled operating system Specifications Software overviewSoftware provided with your Windows operating system Lenovo ThinkVantage Tools Lenovo Solution Center LocationsLocating connectors and parts on the rear of your computer Front connector, control, and indicator locationsConnector Description If you use speech-recognition software Locating components Locating parts on the system boardLocating internal drives System board part locationsDrive bay locations Installing or replacing hardware Installing or replacing hardwareHandling static-sensitive devices Installing external options Opening the computer coverRemoving and reinstalling the front bezel Removing the front bezelAccessing the system board components and drives What to do nextInstalling or replacing a memory module Removing a memory moduleInstalling or replacing a PCI card Opening the retaining clipsRemoving a PCI card Installing the PCI card Installing or replacing the card reader Installing the card readerInstalling the card reader Installing the screw that secures the card reader Replacing the card reader Installing the card reader Replacing the battery Removing the old battery Replacing the hard disk driveRemoving the hard disk drive Removing the hard disk drive from the bracket Installing the hard disk drive Replacing the optical drivePivoting the optical drive bay Removing the old optical drive Replacing the heat sink and fan assembly Installing a new optical driveScrews that secure the heat sink and fan assembly Removing the heat sink fan duct Replacing the power supply assembly Installing the heat sink fan ductInstalling or replacing hardware Removing the heat sink fan duct Power connectors on the system board Installing the power supply assembly Replacing the microprocessor Accessing the microprocessor Installing or replacing hardware Replacing the internal speaker Removing the front bezel Removing the cover presence switch Removing the internal speaker Installing the new internal speaker Replacing the front audio and USB assembly Reinstalling the cover presence switchRemoving the front audio and USB assembly Replacing the keyboard Replacing the mouseCompleting the parts replacement Mouse connectorsObtaining device drivers Basic security features Password protectionIntegrated cable lock Erasing a lost or forgotten password clearing Cmos Recovery information Creating and using recovery mediaCreating recovery media Using recovery media Performing backup and recovery operationsPerforming a backup operation Performing a recovery operation Using the Rescue and Recovery workspaceCreating and using a rescue medium Using a rescue mediumCreating a rescue medium Installing or reinstalling device drivers Solving recovery problemsThinkCentre User Guide Viewing or changing settings Using the Setup Utility programStarting the Setup Utility program Using passwordsAdministrator password Password considerationsPower-on password Setting, changing, or deleting a passwordSelecting a startup device Selecting a temporary startup deviceViewing or changing the startup device sequence Exiting the Setup Utility program Using system programs Updating flashing the Bios from a discUpdating system programs Updating flashing the Bios from your operating system Recovering from a Post and Bios update failureUpdating system programs ThinkCentre User Guide Troubleshooting and diagnostic programs Basic troubleshootingDiagnostic programs Lenovo Solution CenterLenovo ThinkVantage Toolbox PC-Doctor for DOSCleaning the mouse Optical mouseNon-optical mouse Troubleshooting and diagnostic programs ThinkCentre User Guide Online Books folder Getting information, help, and serviceInformation resources Lenovo ThinkVantage ToolsLenovo Welcome Access HelpSafety and warranty Lenovo Support Web siteHelp and service Using the documentation and diagnostic programsCalling for service Using other services Purchasing additional servicesAppendix A. Notices Television output notice Trademarks ThinkCentre User Guide Index CRUInstalling options Memory module PCI card Security features Set Power-On Password ThinkCentre User Guide Page 0A94223