While there are various prospective causes for this issue, the solutions are not far-fetched, as shown in this guide.

Why is my screen dark, but my brightness is all the way up?

There are various factors why your screen could be so dark even at full brightness on your Windows 10 laptop. Let’s look at some of the causes in detail:

Adaptive brightness setting: The adaptive brightness feature is used by Windows 10 to either increase or decrease your screen brightness in response to your environment. This feature can be why your screen is so black suddenly. You need to disable adaptive brightness if you want to keep your screen bright at all times. Outdated display driver: Your display driver can start misbehaving when it is outdated. It could be the reason for this issue and cause other problems. The quickest solution here is to update your drivers. Issues with PC power settings: In some cases, issues with your PC power settings might be the ones messing with your screen brightness. Running the Power troubleshooter should diagnose and recommend possible fixes for this.

How do I fix a screen that is too dark at full brightness?

Here’s what you should do first:

While this may not always work, you should try holding down the Fn (small n) key on your keyboard while holding the Up arrow key. This should increase the screen brightness. The reverse is the case, so pressing Fn + Down arrow will reduce brightness.

5. Roll back the display driver

If you started noticing that your Windows 10 screen becomes so dark after updating your display driver, you need to roll it back. This could be why your screen is dark on Windows 10, despite setting it to maximum brightness.

2. Run the Power troubleshooter

Minor issues with your PC power setting can affect your screen brightness, causing your screen to become so dark. In this case, you need to run the Power troubleshooter.

3. Enable and disable the display adapter

Some users have pointed out that glitches with the display adapter can cause the dark screen issue. Disabling and enabling the adapter proved to be enough to fix this. Keep in mind that updating your drivers can be a risky procedure. If you’re not careful, you can cause permanent damage to your system by downloading and installing the wrong driver versions. SPONSORED To prevent that, we strongly recommend the dedicated tool below to download all outdated drivers on your PC automatically. This solution is extremely fast and will update and repair your drivers in a single move and with fewer clicks than you would imagine. If the rollback button is greyed out or unavailable, that means there’s no driver to roll back to. Visit your computer manufacturer’s website to download the latest driver.

6. Install the latest driver in compatibility mode

Sometimes, you need to install your drivers in the compatibility mode of an older OS to make it work well. The steps above will take you through the process and hopefully fix the screen is so dark issue. If your computer screen is so dark, even at 100% brightness level, it could indicate a hardware failure. But with the fixes above, you should be able to fix it effectively. Are you facing other issues, like Windows 10 brightness slider missing? Then, check our detailed guide to fix it for good. Feel free to let us know the solution that helped you fix this issue in the comments below.

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