Now, under Windows Update, click on the Check for updates button. Press Windows key + I to open the Settings app and click on Update & Security. You can check for updates on your Windows 10 PC. And if the previous version has some issues, Microsoft rolls out a new update to fix it. The device drivers update are often included in the Windows update. The list of solutions given below can help to fix the brightness slider easily. Sometimes, the power settings can also cause the brightness slider not to work properly. The most common reason to experience issues with the brightness control slider is outdated and corrupted display drivers.
Reset the PC Solutions for Windows 10 Brightness Slider Not Working
