Summary

This guide helps you troubleshoot and resolve: Screen brightness adjustment. Follow the steps below to fix the issue.

Common Causes

Screen Brightness Adjustment - Windows 11

Quick Ways to Adjust

Method 1: Keyboard Shortcuts

• Brightness Up: Fn + F5 (or just F5 on some keyboards)
• Brightness Down: Fn + F6 (or just F6 on some keyboards)
• Look for a sun icon on the function keys

Method 2: Action Center (Quickest)

1. Click the date/time in the taskbar

2. The Action Center opens

3. Find the brightness slider

4. Drag left (dimmer) or right (brighter)

Method 3: Settings App

1. Press Win + I to open Settings

2. Click Display

3. Under "Brightness," drag the slider

4. Also check "Brightness intelligence" can be toggled off

Method 4: Night Light (Even Dimmer)

1. Press Win + I > Display

2. Turn on Night light

3. Click Night light settings to adjust warmth

For External Monitors

Most monitors have buttons on the front or bottom:

1. Look for a "Menu" or "Settings" button

2. Navigate to Brightness

3. Adjust using arrow keys or slider

Using Windows for External Monitors:

1. Press Win + I > Display

2. Select your external monitor

3. Adjust brightness slider (if available)

Tips for Comfort

• Too bright at night? Lower brightness and enable Night Light
• Can't see outdoors? Increase brightness to maximum
• Eye strain? Try lowering brightness below 50% and enable Night Light

Auto-Brightness (Laptops)

Windows can adjust automatically:

1. Settings > Display

2. Turn on "Change brightness automatically when lighting changes"

Still Having Issues?