Why is the brightness on my computer not working?

Often, the brightness setting in Windows 10 stops working due to a software bug. These can result from faulty Windows 10 updates, buggy display drivers, and/or wrong power management settings. Hardware issues can also affect the brightness setting on Windows 10, especially on desktop computers with dedicated GPUs.
Aug 29, 2022

It is incredibly frustrating when your computer isn’t working as it should. One of the most common issues is when the brightness settings will not adjust, leaving you with a dark, dim screen. While this issue is generally easy to fix, its presence can be irritating and a real hindrance to your work. In this blog post, we will explore why your computer brightness isn’t working, and how it can be fixed. We’ll also provide some tips on preventing this issue from happening in the future. Whether you’re a newbie to computers or an experienced user, this post offers insight and assistance that can ensure your computer is working properly and you are able to get the most out of your machine.

How To Fix Screen Brightness Won’t Change | Fix Brightness Problem In Windows 10


Why is my brightness not working Windows 10
If your screen brightness is not working on Windows 10, there are a few potential causes. The first is a problem with your monitor or display adapter, which can often be fixed by restarting the device or updating your display driver. Another potential cause is an incompatibility with your operating system, which can often be fixed by updating to the latest version of Windows 10 or reinstalling the current version. Additionally, there might be an issue with the system power settings, as incorrect settings can lead to brightness issues; in this case, restoring the default power settings or manually adjusting the display brightness may help. Finally, hardware issues can also cause brightness problems, so it is a good idea to check any cables or adapters you may be using to make
Why is my brightness not working iPhone
If you are experiencing issues with the brightness on your iPhone not functioning properly, there are a few potential causes you may want to investigate. First, you should check to make sure that the brightness settings are adjusted correctly within the Settings app of your iPhone. You may need to toggle the Auto-Brightness option off and then adjust the brightness manually. Additionally, check to see if the Lock/Unlock button, located on the right side of your phone, is stuck in the Up position. If it is, press and hold the button until you hear a click, indicating the button is back in the Down position. If the issue persists, you may need to back up your phone and perform a full Restore through the iTunes app. If all
Why is my brightness not working Windows 11
If your brightness settings are not functioning properly on Windows 11, there are several potential reasons for this issue. Firstly, it is important to ensure that the relevant brightness settings are enabled in the operating system. This can be done by navigating to the Settings menu, selecting Display, and then locating the Brightness menu item. Additionally, it is important to check that the relevant drivers for the display adapter are up to date. This can be done by navigating to the Device Manager in the System Control Panel, locating the display adapter, and then selecting ‘Update Driver’. If these steps do not resolve the issue, you may need to check the display cable or adapter. If the issue persists, it is recommended that you seek assistance from a qualified technical expert
How do I fix the brightness on my computer?

Select “System” and “Display” from your Start menu or Start screen to open the Settings app. To modify the brightness level, click or tap the “Adjust brightness level” slider. If you use Windows 7 or 8 and lack the Settings app, you can use this option in the Control Panel.

Why is that my Fn keys brightness is not working?

Most likely, there is a function lock or key that is activated or stuck. Look for the fn key in the lower left corner of the keyboard. Try pressing and holding that to see if the brightness will activate.

Why brightness key is not working in laptop?

Your computer’s GPU display driver may be the cause of your inability to change the brightness settings in Windows 10. Most of the time, updating the GPU drivers will fix the Windows 10 brightness issue. So, perform the following actions: Launch Start Menu, then type Device Manager and launch it.

Why is brightness not working on my computer?

Windows 10’s brightness setting frequently stops functioning as a result of a software bug. These could be brought on by problematic Windows 10 updates, problematic display drivers, or improper power management settings. Windows 10’s brightness setting can be impacted by hardware issues, particularly on desktops with dedicated GPUs.

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