Last updated
Jul 11, 2021 05:41 AM
PC Couch Gaming
PC Couch Gaming
This page is a work in progress
My settings to get 4K 120 FPS HDR G-SYNC gaming on my LG C9 OLED TV and RTX 3090

What you'll need

  • PC with NVIDIA graphics card
    • e.g. RTX 3090
  • G-SYNC compatible 4K HDR TV with HDMI 2.1
    • e.g. LG C9
  • HDMI 2.1 cable
  • Gaming controller
    • e.g. Xbox Series X controller
  • Wireless keyboard and mouse

LG C9-specific settings

  • Picture > Expert Mode Controls > Dynamic Tone Mapping: HGIG

NVIDIA Control Panel settings

  • 3D Settings > Manage 3D Settings > Global Settings
    • Image Sharpening: Sharpen 0.50, ignore film grain 0.17, Scaling off
    • Low Latency Mode: Ultra
    • Max. Frame Rate: 117 FPS
    • Monitor Technology: G-SYNC Compatible
    • Power management mode: Prefer maximum performance
    • Preferred refresh rate: Highest available
    • Texture filtering - Quality: High performance
    • Vertical sync: Use the 3D application setting
  • Display > Set up G-SYNC
    • Enable G-SYNC, G-SYNC Compatible
      Enable for full screen mode
      Enable for windowed and full screen mode
      Enable settings for the selected display model

Windows settings

  • Window HD Colour settings
    • Use HDR
      Stream HDR Video

Game settings

  • Turn off vertical sync



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