https://community.acer.com/en/discussion/556792/acer-aspire-x1400-monitor-desktop-windows-10-arrows-not-working-to-change-brightness
Acer Aspire X1400 monitor - desktop - Windows 10 - arrows not working to change brightness - Acer...
Acer Aspire X1400 monitorDesktop computer running Windows 10Arrows do not work when I try to adjust brightness. Suggestions? Also, I saw something called Acer...