I have a GTX570 Phantom, and an LG E1911S-BN monitor. Recently, I started to have very weird resolution issues: while in some games, and all programs, everything runs fine at the monitor's resolution (1366x768, 60Hz), in certain games, upon selecting 1366x768 at full screen, the monitor will switch to 1024x768 at 70Hz, making the picture blurry. Selecting windowed mode, or a lower full screen resolution, 1360x768 for an example, fixes it, but it's rather uncomfortable playing like that. I have all the latest drivers, tried various things, but the problem is still here. Any ideas on how to fix it?