Lenovo Legion Y520 Tower Hardware Maintenance Manual Series Y520T 25ICZ Desktop (Lenovo) Type 90JB Hmm 201711

2017-12-12

• Chapter 1. About this manual
  • Important Safety Information
• Chapter 2. Safety information
  • General safety
  • Electrical safety
  • Safety inspection guide
  • Handling electrostatic discharge-sensitive devices
  • Grounding requirements
  • Safety notices
• Chapter 3. General information
  • Specifications
• Chapter 4. General Checkout
• Chapter 5. Using the Setup Utility
  • Starting the Lenovo BIOS Setup Utility program
  • Viewing and changing settings
  • Using passwords
  • Enabling or disabling a device
  • Selecting a startup device
  • Exiting the Lenovo BIOS Setup Utility program
• Chapter 6. Symptom-to-FRU Index
  • Hard disk drive boot error
  • Power Supply Problems
  • POST error codes
  • Undetermined problems
• Chapter 7. Locating connectors, controls and components
• Chapter 8. Replacing hardware
  • General information
  • Replacing the keyboard and mouse
  • Removing the computer cover
  • Removing the top bezel
  • Removing the front bezel
  • Replacing the power supply assemby
  • Replacing an optical drive
  • Replacing the M.2 storage drive
  • Replacing the 3.5-inch storage drive
  • Replacing the graphic card
  • Replacing a memory module
  • Replacing the Wi-Fi card
  • Replacing the Wi-Fi antenna
  • Replacing the heat-sink and fan assembly
  • Replacing the microprocessor
  • Replacing the front fan
  • Replacing the rear fan
  • Replacing the motherboard
• Chapter 9. FRU lists
• Chapter 10. General information
  • Additional Service Information