![]() ![]() When monitor drivers are outdated, there is a chance the drivers are not working or functioning correctly with the system. Outdated monitor drivers are another reason for the missing brightness slider on laptops or tablets. Quickly check out our latest fix for Bluetooth Toggle Missing On Windows 11 3. When the monitor driver’s core files are corrupted by one of these culprits, the drivers are not functioning correctly and create various issues like brightness sliders not working. Viruses, bugs, or glitches are among the main culprits that corrupt the drivers or software files. Corrupted Monitor DriversĪnother possible reason to create the brightness slider not working on Windows 11 laptops or tablets is a corrupted driver for your monitor. Third-party applications such as TeamViewer and Malware detected software conflict with the monitor driver and created this issue. ![]() Third-party applications are one of the major reasons for missing or not working the brightness slider on Windows 11 laptops or tablets. Here are the possible reason for missing the brightness slider on Windows 11: 1. I will try to find out the possible reasons for this issue, and now, I will discuss these issues.Ĭheck out our expert-recommended guide on how to Enable Telnet On Windows 11. There are some possible reasons to face the slider for brightness not working in Windows 11. In these circumstances, users are annoyed and frustrated when they need to control the brightness of their laptop or tablet devices. In Windows 11, users suddenly face the brightness slider is grayed out, which means the brightness slider is not working or disabled. Also, modifying or changing the Windows Registry value or Group Policy settings occurs the brightness slider missing issue. The brightness slider is missing on Windows 11 because of third-party applications, a corrupted or outdated monitor driver, or the monitor driver may be outdated or disabled on your device. Why Is Brightness Slider Not Working in Windows 11? How to Fix Brightness Slider Missing in Windows 11?.Why Is Brightness Slider Not Working in Windows 11?.
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