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LyraBrightness is a small, fully portable utility for controlling screen brightness on Windows.
It runs from the system tray and supports:
- Hardware brightness control via DDC/CI (real monitor brightness)
- Automatic fallback to Software dimming (visual overlay) when hardware control is unavailable
- Safe minimum brightness limit to prevent full black screen
- No installation required
Important:
Not all monitors support DDC/CI (especially older models or DVI connections).
In such cases, the program switches to Software dimming, which does NOT change physical brightness.
The active mode is clearly shown in the UI.
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