Enable Legacy Boot Mode | Windows 8

Environment

• Microsoft Windows 8

Content
To enable legacy boot support, set:

• Legacy Support (On / Off or Enabled / Disabled)
  
  
• Boot Device Control
  
  
• Legacy CSM (On / Off or Enabled / Disabled)
  
  
• Launch CSM (On / Off or Enabled / Disabled)
  
  
• CSM (On / Off or Enabled / Disabled)
  
  
• UEFI / Legacy Boot (Both / Legacy Only / UEFI Only)
  
  
• Boot Mode (Legacy Support)
  
  
• Boot Option Filter (UEFI and Legacy / UEFI First / Legacy First / Legacy Only / UEFI Only)
  
  
• UEFI / Legacy Boot Priority (UEFI First / Legacy First / Legacy Only / UEFI Only)
  
  

For example, it was ThinkCentre M83, my colleagues' new computer.

CSM Enabled

Boot Mode Auto

Boot Priority UEFI First

Reference

• Enable Legacy Boot Mode

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