Why does my screen dim on a desktop installation of Windows 7?
- by Robert Cartaino
Periodically, while using my Windows 7 Pro desktop installation, the screen suddenly dims. The brightness is about 75% normal (estimate). It's as if I am in a power-saving mode on a laptop running on batteries. But this is a full desktop installation.
I know it is not a hardware glitch or monitor adjustment issue because the Windows cursor is…