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LG UltraGear 27GS75Q HDR10 settings: Maximize HDR performance

LG UltraGear 27GS75Q HDR10 settings guide: dial in brightness, contrast, and tone mapping to unlock true HDR color and gaming clarity on PC and consoles 🎮✨

25 Oct 2025 | Quick Read | 👤 MonitorMuse
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LG UltraGear 27GS75Q HDR10 Settings — Optimize HDR

So, you've snagged the awesome LG UltraGear 27GS75Q—one of the top-tier LG monitors available in South Africa. Lekker! But when you fire up a game like Alan Wake 2, does the HDR look a bit… meh? Maybe washed out or too dark? You're not alone. The default LG UltraGear 27GS75Q HDR10 settings are a starting point, not the destination. This guide will show you how to unlock the incredible HDR performance your new screen is capable of.

Unlocking True HDR Performance

High Dynamic Range (HDR) is more than a buzzword. It's about creating a more realistic and immersive image by expanding the range between the darkest blacks and the brightest whites. When optimised correctly, it makes sunlit scenes pop and dark caves feel truly menacing. The problem? Default settings are often too conservative. To truly maximise your HDR performance, you need to dive into the settings yourself. It's the difference between seeing the game and feeling it. ✨

Pre-Flight Check: Windows & GPU First

Before you even touch your monitor's joystick, the first step to optimising your LG UltraGear 27GS75Q HDR10 settings happens in Windows. 🔧

  1. Enable HDR in Windows: Right-click your desktop, go to Display settings, select your LG monitor, and toggle "Use HDR" to on.
  2. Run the Calibration Tool: We highly recommend using the "Windows HDR Calibration" app from the Microsoft Store. It’s a free tool that helps you set the minimum and maximum luminance levels for your specific panel, creating a custom colour profile. This step is crucial for accurate HDR.
  3. Update Your Drivers: Ensure you have the latest drivers for your NVIDIA or AMD graphics card. These updates often include performance improvements and bug fixes for HDR content.

Dialling In Your LG 27GS75Q Monitor Settings

Now for the main event. Grab your monitor's OSD (On-Screen Display) joystick and let's fine-tune that picture. These settings, combined with your Windows calibration, will deliver stunning results.

Start with the Right Picture Mode

In the OSD menu, navigate to Game Mode. For HDR content, select Gamer 1 or Vivid. These modes are typically best calibrated for the wide colour gamut used in HDR. Avoid standard or sRGB modes, as they will clamp the colours and prevent you from seeing the full visual range.

Adjusting Key Game Settings

Under Game Adjust, you'll find the most impactful options for performance:

  • Adaptive-Sync: Make sure this is turned On. The 27GS75Q boasts excellent FreeSync Premium support for AMD users and is also G-Sync Compatible for Team Green. Both are built on the core Adaptive-Sync technology that prevents screen tearing. For a smooth, competitive experience, it's a feature you can't go without, which is why we'd always recommend it over models without any sync technology.
  • Black Stabilizer: In HDR, be careful with this. A setting of 50 is neutral. Pushing it higher can lift the black levels, which might help you spot enemies in shadows but can also make the image look washed out, defeating the purpose of HDR's deep blacks. We suggest leaving it at 50 or slightly lower.
  • Response Time: Set this to Fast. The "Faster" setting can sometimes introduce inverse ghosting (overshoot), so "Fast" is usually the sweet spot for a clear, crisp image without artefacts.
TIP FOR YOU

In-Game HDR Settings Are Key! 💡

Once your monitor and Windows are set, don't forget to calibrate HDR within each game! Most modern titles like Baldur's Gate 3 or Starfield have their own HDR sliders for 'Peak Brightness' and 'Paper White'. Adjust these until the image looks vibrant and detailed, using the in-game examples as your guide. This final step tailors the experience perfectly to each game's engine.

Picture Adjust

In HDR mode, settings like Brightness and Contrast are often locked, as the monitor is following the signal from your PC. This is normal! The calibration you did in Windows and in-game handles this. Your primary job is done. 🚀

That’s it! With these optimised LG UltraGear 27GS75Q HDR10 settings, you're no longer just using a great monitor… you're experiencing its full potential. Those once-dull scenes will now burst with life, giving you the competitive edge and visual immersion you deserve.

Ready to Find Your Perfect View? Dialling in your settings is key, but it all starts with a great panel. From blistering refresh rates to stunning HDR, the right monitor transforms your entire PC experience. Explore our massive range of gaming monitors and find the perfect screen to conquer your world.

Enable HDR in your OS or console, set output to HDR10, select the LG HDR picture mode, then fine-tune brightness and contrast for best results.

Use Game HDR mode, set contrast high, brightness around 250–300 cd/m², disable dynamic contrast, and enable features like black stabilizer for clarity.

Use DisplayPort 1.4 or HDMI 2.0+ high-bandwidth cables to support HDR10, 10-bit color, and higher refresh rates on the 27GS75Q.

Use a colorimeter with an HDR workflow or follow LG presets, then tweak RGB gains, color temperature, and gamma for accurate HDR10 color.

Washed HDR usually means incorrect tone mapping, wrong brightness, or OS HDR toggles; adjust tone mapping and lower peak brightness to fix it.

Yes. Set the console to HDR10 output, use a compatible HDMI cable, and enable HDR on the monitor for console HDR10 performance.

Prefer native HDR10 content for best results. Windows Auto HDR can enhance SDR but calibrate to avoid clipping and color shifts.