How To Fix Windows 11 Screen Brightness Issues - Tutorial

Introduction

Adjusting screen brightness to your comfort is essential for a pleasant computing experience. However, the upgrade to Windows 11 has brought some users face-to-face with stubborn screen brightness issues. This tutorial aims to guide you through various troubleshooting steps to regain control over your screen's luminance. Whether it's a driver hiccup or system glitches, we've got you covered to ensure a well-lit, strain-free visual journey on your Windows 11 machine.

Reinstalling Monitor Driver

A common root of screen brightness issues could be the monitor driver. Here’s a simple way to reinstall it:

1. Right-click on the Start icon and pick Device Manager.

2. Under Monitors, right-click on Monitor and select Uninstall device.

3. A confirmation box pops up, click Uninstall.

4. Restart your PC and Windows will automatically reinstall the monitor driver.

Device Manager > Monitors > Uninstall Device

Updating Graphics Card Driver

An outdated graphics card driver might be the culprit. Ensure it's updated:

1. Open Device Manager again, find Display adapters, and double-click.

2. Right-click on your graphics adapter, choose Update driver.

3. Select Search automatically for drivers.

4. If no updates are found, check Windows Updates or download the latest driver from the manufacturer’s website. For NVIDIA or AMD GPU users, using applications like GeForce Experience is also a great option for updating drivers.

Device Manager > Display Adapters > Update Driver

Utilizing Windows Troubleshooter

Windows Troubleshooter is a handy tool for identifying and fixing common system glitches:

1. Open Windows settings.

2. Navigate to System > Troubleshoot > Additional troubleshooters.

3. Run the Windows Store Apps, Windows Update, and Power troubleshooters one by one. They'll scan for common issues and attempt to fix them, ensuring your screen brightness controls are unhindered.

System Settings > Troubleshoot > Other Troubleshooters

Updating Windows

1. Navigate to Settings and select the Windows Update section.

2. Click Check for Updates to find and install the latest updates for your PC, which may include crucial driver updates that can resolve brightness issues. A restart might be needed to complete the installation.

Windows Settings > Windows Update

Adjusting Power Mode

1. In Settings, go to the System section, and then Power & Battery.

2. Click on Power Mode and ensure it’s set to a mode that allows full screen brightness, like High Performance.

Windows Settings > System > Power & Battery

Scanning for Corrupt System Files

1. Open Command Prompt by typing it in the search bar, right-click on it, and choose Run as administrator.

2. Type sfc /scannow and press Enter. This command will scan and fix any corrupt system files that might be affecting screen brightness.

Restoring Previous System State

1. If the brightness issue continues, reverting to a previous system state might help.

2. Type Create a restore point in the search bar, click on System Restore, and follow the prompts to choose a restore point before the brightness issue began.

Seeking Further Assistance

1. If the brightness problem persists, consider reaching out to your PC or graphics card manufacturer's support for additional help.

2. By following these steps diligently, you’re on the right path to resolving the brightness slider issue on your Windows 11 PC. Keeping your system and drivers updated is crucial for avoiding such problems.

Admin Command Prompt > sfc /scannow

• Why is my screen brightness not changing on Windows 11?

  Screen brightness issues on Windows 11 can arise due to outdated or corrupt drivers, incorrect power settings, or system file discrepancies. Following the steps in this tutorial can help diagnose and fix these issues.

• How can updating drivers fix brightness issues on Windows 11?

  Drivers are essential for hardware-software communication. Updating your graphics and monitor drivers ensures they're compatible with Windows 11, potentially resolving any brightness control issues.

• What role do power settings play in screen brightness on Windows 11?

  Power settings on Windows 11 can limit screen brightness to save energy. Ensuring your power mode is set to a high-performance setting can enable full-screen brightness control.

• How can system restore help in fixing brightness issues on Windows 11?

  System Restore can revert your system settings to a point where the brightness control was functioning correctly, thus fixing any recent discrepancies causing the issue.

• What should I do if none of the steps resolve the brightness issue on Windows 11?

  If the outlined steps don't resolve the brightness issue, it's advisable to contact your PC or graphics card manufacturer's support for further assistance.