If your computer screen remains dim at full brightness, the problem may be with your display driver or BIOS. Here are fixes that can help you.

If your screen dims when playing games whether in Full Screen or not in Windows 11/10, then follow this post to troubleshoot this issue.

New lawsuit that seeks class action says Apple's 2009 to 2011 iMacs have an issue that causes one half of the screen to go dark, and that's not covered under warranty.