This is not a dark problem. It's a problem with WIN7. You won't play all the games in full screen.You first open the Registry Editor.Find the [HKEY_LOCAL_MACHINE SYSTEM Control1Set001 Control GraphicsDrivers Configuration ] item, left click the Configuration item, and select [Search].Enter: [scaling], find the parameters of [scaling] in the specific display device, and change them from the default [4] or [255] to [3]
