Lenovo C440, 57315617, 57312695, 57315603 Replacing the keyboard and mouse, To replace the keyboard

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Replacing the keyboard and mouse

Note: Your keyboard will be connected to a USB connector at either side or at the rear of the computer.

To replace the keyboard:

1.Remove any media (disks, CDs, or memory cards) from the drives, shut down the computer, and turn off all attached devices.

2.Unplug all power cords from electrical outlets.

3.Locate the connector for the keyboard. Refer to “Side view of the computer” and “Rear view of the computer”.

4.Disconnect the defective keyboard cable from the computer and connect the new keyboard cable to the same connector.

*The mouse can be replaced using the same method.

40User 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 Switching between apps Switching between the main Windows 8 interfacesCharms 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 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 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 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