Definitely not a Compiz issue. Most likely a bug in the BIOS that affects Linux, but Windows has a workaround in place for. I will put this in the Linux kernel category and if someone there wants to change, they will.
** Package changed: compiz (Ubuntu) => linux (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1455654 Title: Using battery power even when plugged in To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1455654/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs