Can't see my screen with windows 7 on macbook pro.

So I wanted to install windows 7 ultimate on my macbook pro. Once I'm done I decide to lower the brightness on windows 7 using the adjust brightness slider thing. Anyway, when I bring it too low I can't see anything, so i lost where the slider was... Now I can't get it back up. I've restarted my mac, and ran windows 7 and I do see the starting windows, but once in the loggin screen the brightness goes back to the bad way it was. So if there's like a rest vram pram, like on the mac... because when you do that the brightness goes back to default.
I know this is a rare problem, but any help will be appreciated.

nevermind anyone... I've already found out how. Once i remembered that taking out the battery resets a couple of things I did just that and my brightness is now back to the way it used to be.

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@mkultraviolent,
Thanks for the quick reply.
That seems to be a useful workaround, but I do not find the option mentioned in Display/ Nvidia control panel. However, I find an option in the "Power Options" which has a "Do Nothing" option in the combo box to select what "Closing the Lid" does. Is that what u are referring to?
Also, one problem in this approach is, if we do not sleep when the display is closed, that will keep the internal display (laptop's display) running in clamshell mode even after the lid is closed? (which will heat up the laptop badly).
The exact option I am looking for is, while the laptop is in sleep & lid closed state, connecting the external keyboard/mouse/monitor and pressing a key in the keyboard or moving the mouse should wake the computer from sleep. If this happens, the internal display won't be running. I am able to achieve this in OS-X.
In Windows7, I have a workaround by which I can almost achieve this result, wherein, while the laptop is in lid-closed, sleeping state, after connecting the external devices (keyboard/mouse/monitor), I open the laptop's lid for a fraction of second, quickly move my finger over the touchpad & close the lid again. This wakes up the laptop, & while it is waking up, Windows realizes that the lid is closed and that external devices are connected and gets into clamshell mode (I have verified that in this state, the internal display is not running).
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If my question is not clear, this video kind of explains what I want to achieve:
http://www.youtube.com/watch?v=YOKu9uwdwZI&feature=player_embedded
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nevermind anyone... I've already found out how. Once i remembered that taking out the battery resets a couple of things I did just that and my brightness is now back to the way it used to be.

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Can't see my screen with windows 7 on macbook pro.

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