Lenovo 10121/90A1 [K450 ES] User Manuals

Table of Contents

• Important Safety Information

  2
• Using the Computer Hardware

  6
  • Front view of the chassis

    7
  • Rear view of the chassis

    8
  • Connecting your computer

    13
  • 5.1 Audio configuration instructions

    14
  • 7.1 Audio configuration instructions

    15
  • Connecting the power cord

    16
  • Display connecting instructions when playing Blu-ray Discs

    17
  • Connecting to the Internet

    17
  • Wired keyboard (selected models only)

    18
  • Hot-swappable hard disk (selected models only)

    19
  • Power Control Switch (selected models only)

    21
• Using Windows 8

  26
  • Switching between the main Windows 8 interfaces

    27
  • The Charms Bar

    27
  • Shutting down the computer

    27
  • Switching between apps

    28
  • Closing an app

    28
  • Opening other system programs

    28
  • Windows Help and Support

    28
• Using the Rescue System

  30
  • OneKey Recovery

    31
  • Driver and Application Installation

    32
• Using the Software

  34
  • Lenovo Support

    35
• Troubleshooting and Confirming Setup

  36
  • Troubleshooting Display Problems

    37
  • Troubleshooting Audio Problems

    38
  • Troubleshooting Software Problems

    39
  • Troubleshooting Problems with Optical Drives and Hard Disks

    39
  • Special considerations for troubleshooting Windows

    40
  • Windows Help and Support

    41
  • BIOS setup utility

    41
  • Performing Daily Maintenance Tasks

    42
• Hardware Replacement Guide

  44
  • Locations

    48
  • Replacing hardware

    53
• Appendix.

  66
  • Declaration

    66
  • Trademarks

    67
  • Energy Star Statement

    68
  • Enabling ErP compliance mode

    69