Lenovo E73z User Manuals

Table of Contents

• Chapter 1. About this manual

  5
  • Important safety information

    5
• Chapter 2. Safety information

  7
  • General safety

    7
  • Electrical safety

    7
  • Safety inspection guide

    9
  • Handling electrostatic discharge-sensitive devices

    9
  • Grounding requirements

    10
  • Safety notices (multi-lingual translations)

    10
• Chapter 3. General information

  33
  • Specifications

    33
  • Lenovo programs

    33
    • Accessing Lenovo programs on the Windows 7 operating system

      34
    • Accessing Lenovo programs on the Windows 8 or Windows 8.1 operating system

      35
  • Lenovo Support Web site

    35
• Chapter 4. General checkout

  37
  • Problem determination tips

    37
• Chapter 5. Troubleshooting and diagnostics

  39
  • Basic troubleshooting

    39
  • Accessing Control Panel on the Windows 8 or Windows 8.1 operating system

    40
  • Troubleshooting procedure

    40
  • Troubleshooting

    41
    • Audio problems

      41
    • CD problems

      43
    • DVD problems

      44
    • Intermittent problems

      45
    • Hard disk drive problems

      45
    • Keyboard, mouse, or pointing device problems

      46
    • Monitor problems

      48
    • Networking problems

      50
    • Option problems

      52
    • Performance and lockup problems

      53
    • Printer problems

      55
    • Serial port problems

      55
    • Software problems

      56
    • USB problems

      57
  • Diagnostics

    57
    • Lenovo Solution Center

      58
• Chapter 6. Using the Setup Utility program

  59
  • Starting the Setup Utility program

    59
  • Viewing and changing settings

    59
  • Using passwords

    59
    • Password considerations

      60
    • Power-on password

      60
    • Administrator password

      60
    • Setting, changing, and deleting a password

      60
    • Erasing lost or forgotten passwords (clearing CMOS)

      60
  • Enabling or disabling a device

    61
  • Selecting a startup device

    61
    • Selecting a temporary startup device

      62
    • Selecting or changing the startup device sequence

      62
  • Changing the BIOS settings before installing a new operating system

    62
  • Exiting the Setup Utility program

    62
• Chapter 7. Symptom-to-FRU Index

  63
  • Hard disk drive boot error

    63
  • Power supply problems

    63
  • Beep symptoms

    63
  • POST error codes

    64
  • Miscellaneous error conditions

    65
  • Undetermined problems

    67
• Chapter 8. Locations

  69
  • Locating connectors, controls, and indicators on the front of your computer

    69
  • Locating connectors on the rear of your computer

    70
  • Locating major FRUs and CRUs

    70
  • Looking up FRU information

    73
  • Locating parts on the system board

    73
• Chapter 9. Replacing FRUs

  75
  • Removing and installing the computer stand

    75
    • Removing and reinstalling the frame stand

      75
    • Removing and installing the monitor stand

      77
  • Removing the computer cover

    79
  • Removing and reinstalling the feet stand

    79
  • Removing and installing the hard-disk-drive EMI shield

    80
  • Replacing the 3.5-inch hard disk drive or hybrid hard disk drive

    82
  • Replacing the 2.5-inch solid-state drive or hybrid hard disk drive

    84
  • Replacing the optical drive

    86
  • Removing and reinstalling the system board shield

    87
  • Replacing the rear I/O assembly

    88
  • Removing the VESA mount bracket

    90
  • Replacing the power supply

    91
  • Replacing the microprocessor fan

    92
  • Replacing the heat sink assembly

    94
  • Replacing the microprocessor

    95
  • Replacing the card reader

    98
  • Replacing the battery

    99
  • Replacing the converter board

    100
  • Installing or replacing a memory module

    101
  • Replacing the internal speakers

    103
  • Replacing the integrated camera

    104
  • Replacing the system board

    105
  • Replacing the LCD panel

    107
  • Replacing the Wi-Fi card

    111
  • Completing the parts replacement

    112
• Chapter 10. Additional service information

  115
  • Security features

    115
    • Hardware controlled passwords

      115
    • Operating system password

      115
    • Vital product data

      115
  • BIOS levels

    115
  • Flash update procedures

    115
    • Updating (flashing) the BIOS from a disc

      116
    • Updating (flashing) the BIOS from your operating system

      117
    • Recovering from a POST/BIOS update failure

      117
  • Power management

    118
    • Automatic configuration and power interface (ACPI) BIOS

      118
    • Automatic Power-on features

      118
• Appendix A. Notices

  119
  • Television output notice

    120
  • European conformance CE mark

    120
  • Trademarks

    120
• Index

  121