Lenovo 57312695, 57315603, 57315617, C345, C440, C445, C540 - page 13

8User Guide

Connecting the power cord

Contents

Main Important Safety Information Page i Contents Using Windows 8 ......................................................................11 Using the Rescue System ........................................................15 Page Using the Computer Hardware 2 Front view of the computer Left and right views of the computer 4 Rear view of the computer Installing the computer stand Page Connecting your computer Page Page 10 Wired keyboard (selected models only) Connecting to the Internet Using Windows 8 12 Switching between the main Windows 8 interfaces The Charms Bar Shutting down the computer Switching between apps Closing an app Opening other system programs Windows Help and Support Page Using the Rescue System 16 Note about the service partition: OneKey Recovery Driver and Application Installation Method 1: Automatic Installation Method 2: Manual Installation Page Page 20 Solving Problems Troubleshooting Display Problems Troubleshooting Audio Problems 22 Troubleshooting Software Problems Troubleshooting Problems with Optical Drives and Hard Disks 24 Special considerations for troubleshooting Windows Windows Help and Support BIOS setup utility 26 Performing Daily Maintenance Tasks Hardware Replacement Guide 28 Overview Safety information for replacing CRUs Additional information resources Tools required 30 Handling static-sensitive devices Replacing hardware General information Pre-disassembly instructions Removing the stand base 32 Removing the foot cover Replacing a memory module 34 Replacing the hard disk drive Page 36 Replacing the optical drive Page 38 Replacing the adapter Page 40 Replacing the keyboard and mouse To replace the keyboard: Appendix. Declaration 42 Trademarks Energy Star Statement 44 Enabling ErP compliance mode