Lenovo C345, 57315617, 57312695, 57315603, C440, C445, C540 manual Connecting your computer

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Connecting your computer

Note: Your computer may not have all of the connectors described in this section.

Connector

Description

 

 

Microphone

Use this connector to attach a microphone to your

 

computer when you want to record sound or if you use

 

speech-recognition software.

 

 

Headphone

Use this connector to attach headphones to your

 

computer when you want to listen to music or other

 

sounds without disturbing anyone.

 

 

USB connector

Use this connector to attach a device that requires a USB

 

connection.

 

 

Ethernet connector

Use this connector to attach the computer to an Ethernet-

 

type local area network.

 

 

HDMI connector

Connects to the HDMI connector on your display or TV.

(optional)

 

 

 

TV-Tuner connector

Connects to an external antenna to view programs using

(optional)

the optional TV tuner card.

 

 

Note: If your computer is equipped with a wireless keyboard or mouse, follow the installation instructions for those devices.

User Guide 7

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Contents Lenovo C3/C4/C5 Series Important Safety Information Page Contents Hardware Replacement Guide Using the Computer Hardware Front view of the computer Left and right views of the computer Rear view of the computer Installing the computer stand Computer stand Connecting your computer Connecting the power cord Important information about using the computer Wired keyboard selected models only Connecting to the InternetUsing Windows Switching between the main Windows 8 interfaces Switching between appsCharms Bar Shutting down the computerClosing an app Opening other system programsWindows Help and Support User Guide Using the Rescue System OneKey Recovery Driver and Application Installation Method 1 Automatic InstallationMethod 2 Manual Installation User Guide Troubleshooting Confirming Setup Solving Problems Troubleshooting Display ProblemsTroubleshooting Audio Problems Troubleshooting Software Problems Troubleshooting Problems with Optical Drives and Hard Disks Special considerations for troubleshooting Windows Bios setup utility When do I need to change the boot mode?Performing Daily Maintenance Tasks Hardware Replacement Guide Safety information for replacing CRUs OverviewAdditional information resources Tools requiredHandling static-sensitive devices Replacing hardware General informationRemoving the stand base Removing the foot cover Replacing a memory module Replacing the hard disk drive User Guide Replacing the optical drive User Guide Replacing the adapter Connect the new adapter as shown Replacing the keyboard and mouse To replace the keyboardAppendix DeclarationTrademarks Energy Star Statement 10102/4773 10103/4751 10104/6595 10105/6596 10110/6267Enabling ErP compliance mode