Lenovo 57315617, 57312695, 57315603, C440, C445, C345, C540 manual Front view of the computer

Page 7

Front view of the computer

Attention: Be careful not to block any air vents on the computer. Blocked air vents can cause overheating.

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Built-in microphone

Built-in camera

Hard disk drive indicator

Wi-Fi status indicator

Monitor On/Off indicator

Menu button

Direction button

Direction button

Monitor On/Off button

Built-in IR receiver (Only

functional on models equipped

with a IR receiver module)

Attention: The effective range of the Built-in IR Emitter is 10 feet.

2User Guide

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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 Connecting to the Internet Wired keyboard selected models onlyUsing Windows Shutting down the computer Switching between the main Windows 8 interfacesSwitching between apps Charms BarOpening other system programs Closing an appWindows Help and Support User Guide Using the Rescue System OneKey Recovery Method 1 Automatic Installation Driver and Application InstallationMethod 2 Manual Installation User Guide Troubleshooting Confirming Setup Troubleshooting Display Problems Solving ProblemsTroubleshooting Audio Problems Troubleshooting Software Problems Troubleshooting Problems with Optical Drives and Hard Disks Special considerations for troubleshooting Windows When do I need to change the boot mode? Bios setup utilityPerforming Daily Maintenance Tasks Hardware Replacement Guide Overview Safety information for replacing CRUsTools required Additional information resourcesHandling static-sensitive devices General information Replacing hardwareRemoving 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 To replace the keyboard Replacing the keyboard and mouseDeclaration AppendixTrademarks 10102/4773 10103/4751 10104/6595 10105/6596 10110/6267 Energy Star StatementEnabling ErP compliance mode