No OS noted.

by R. Proffitt Moderator - 4/21/12 10:20 AM

In Reply to: Dell inspiron 1525 by harrydog100

But Vista and 7 have a control panel with an adjustment for brightness while on battery power. You didn't reveal if you pushed it up there.

And no, it may not go as bright as on AC. This is BURNED INTO THE DESIGN!
Bob