Sometimes a hardware fault is caused by glitchy and buggy software and more often than not it is the driver that is the main culprit. You might also like: How to Take Screenshot of Selected Area in Windows 10 Method 3: Uninstall and Reinstall Display Driver

The first and probably one of the easiest methods to fix Windows 10 low brightness problem is to disable Night light. Here’s how to disable Night light in Windows 10 operating systems:

Here we go: Method 1: Disable Night Light in Windows 10 And, we are sure one of these methods will help you fix Windows 10 display brightness is low even when set at 100% problem. How to Fix Display Brightness Too Low Even When Set at 100% on Windows 10Īlthough, there are multiple solutions to this issue (why is my laptop screen brightness so low?) of yours.