Brightness Not Working Windows 11 | Asus Laptop

How to Fix Asus Laptop Brightness Issues on Windows 11 It is a frustrating experience when your ASUS laptop's screen is either too dim or blindingly bright and the controls simply won't respond. Whether your brightness slider is missing entirely or your function keys (Fn + F7/F8) have stopped working, these issues are common on Windows 11, often following a driver update. Here is a guide to getting your brightness controls back in working order. 1. The Quick Graphics Reset Before diving into settings, try a quick keyboard shortcut to reset your graphics driver. This often resolves minor glitches without needing a restart. Press

Press the Fn key + F4/F5 (or whichever keys have the sun icon). Sometimes the Fn Lock is toggled off, requiring you to hold Fn to activate the adjustment.

Windows 11 introduced a feature called "Content Adaptive Brightness Control" (CABC). This feature automatically dims the screen when dark content is displayed to save power, often making users think the brightness controls are broken. asus laptop brightness not working windows 11

The ASUS proprietary software "MyASUS" includes a display utility called "Splendid." If this software crashes or has a profile active, it can override Windows brightness settings.

Install any "Essential" updates, specifically those related to the or ATK Package . These control the hotkeys and power management. 6. Adjust Power Options How to Fix Asus Laptop Brightness Issues on

This guide deconstructs the issue and provides tiered solutions, ranging from quick software fixes to deep system overrides.

Sometimes the latest driver is actually the problem. Use this manual override: Press Press the Fn key + F4/F5 (or

Windows Update sometimes installs generic drivers that break brightness control. You need ASUS-specific drivers.

Run the utility and follow the prompts.