I'm excited that I just bought a new Dell XPS M1330 laptop and got what I feel is a really good deal on the unit. Problem is, when I plug the laptop into the wall, it's super-bright and the screen looks great, crisp and colorful. Pull the plug and even though I crank the brightness all the way up and sidestep all the battery saving display settings, it's still so faint that I can barely...

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