Dell UltraSharp 1701FP 17" Flat Panel LCD Monitor "gray screen shadow" Questions

...Gray # Compatibility: PC, Mac, Unix Display # Diagonal Size: 37" # Viewable Size: 35" # Max Resolution: 1280 x 1024 / 75 Hz # Colour support: 24-bit (16.7M colours) # Max Sync Rate (V x H): 120 Hz x ...

...screen! The lines range from dark gray to light gray in colour and vary in thickness. These lines seem to sometimes correspond with things onscreen (for example this text box has lines extending out ...