Berikut adalah artikel blog tentang solusi untuk masalah kecerahan yang tidak berfungsi pada Windows 8.1:
Brightness Not Working on Windows 8.1? Here's The Complete Fix
The inability to adjust your screen brightness can be incredibly frustrating, especially when working in different lighting conditions. If your Windows 8.1 brightness controls aren't responding, don't worry! This comprehensive guide will walk you through several troubleshooting steps to get your screen shining bright again. We'll cover various solutions, from simple tweaks to more advanced fixes, ensuring you find a resolution that works for you.
Understanding the Problem: Why Brightness Might Fail
Before diving into the solutions, let's briefly explore why your brightness might be malfunctioning. The issue could stem from various sources:
- Driver Problems: Outdated, corrupted, or missing display drivers are a common culprit.
- Power Plan Issues: Incorrect power settings can prevent brightness adjustments.
- Hardware Malfunctions: Although less frequent, a faulty LCD screen or hardware component can cause the problem.
- Software Glitches: Bugs within the operating system can interfere with brightness control.
Troubleshooting Steps: Solutions for a Dim Display
Let's tackle these issues head-on with proven solutions:
1. Restart Your Computer:
Sounds simple, right? A simple restart can often resolve temporary software glitches affecting the brightness controls. Try this first before moving to more advanced steps.
2. Update Your Display Drivers:
Outdated or corrupted display drivers are a primary cause of brightness problems. Here's how to update them:
- Device Manager: Open Device Manager (search for it in the Start menu), expand "Display adapters," right-click on your graphics card, select "Update driver," and follow the on-screen instructions.
- Manufacturer's Website: Visit the website of your graphics card manufacturer (e.g., NVIDIA, AMD, Intel) and download the latest drivers for your specific model.
3. Check Your Power Plan Settings:
Windows power plans can influence brightness. Ensure that the current power plan allows for brightness adjustments:
- Power Options: Open Power Options (search for it in the Start menu).
- Change Plan Settings: Click on "Change plan settings" for your active power plan.
- Change advanced power settings: Click on "Change advanced power settings," locate "Display," and adjust the brightness settings for both "On battery" and "Plugged in" modes.
4. Run the Hardware and Devices Troubleshooter:
Windows 8.1 has a built-in troubleshooter that can detect and automatically fix problems with hardware and devices:
- Settings: Open the Settings app (search for it in the Start menu).
- Troubleshooting: Click on "Troubleshooting," then "Hardware and Devices."
- Run the Troubleshooter: Follow the on-screen prompts to run the troubleshooter and allow it to make necessary repairs.
5. Adjust Brightness from the System Tray (If Possible):
Check if the brightness control is visible in the system tray (bottom-right corner of your screen). If present, try using the slider to adjust the brightness.
6. Check External Brightness Controls:
Some laptops and external monitors have physical buttons or dials for brightness adjustments. Make sure these are not accidentally turned down.
7. System File Checker (SFC) Scan:
This powerful utility can repair corrupted system files that might be causing your brightness issue:
- Command Prompt (Admin): Open Command Prompt as administrator (search for "cmd," right-click, and select "Run as administrator").
- Run SFC: Type
sfc /scannowand press Enter. Let the process complete.
When to Seek Professional Help:
If none of these steps resolve your brightness problem, it might be indicative of a hardware issue. In this case, it's best to consult a computer repair professional or the manufacturer of your laptop or monitor.
By following these troubleshooting steps, you are significantly increasing your chances of resolving the brightness issue on your Windows 8.1 device. Remember to try each step carefully and methodically, and hopefully, your screen will soon be back to its optimal brightness!
