sony vaio external monitor color problem

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I have a sony vaio sz330p with go 7400 and a 20" dell 2007 ultrasharp lcd attached as a secondary monitor. When viewing this page, http://mgb.in905.com/ the grey box that is around the "logo placeholder" is visible on the laptop screen, but not on the secondary lcd. When viewed on my desktop (identical dell lcd, plus another dell lcd) the grey boxes are visible on both monitors......would anyone know what may cause this issue?

The graphics card on the laptop has the appropriate drivers as well as the dell monitor.

 

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one more thing I just found out. The laptop comes in two video modes, speed and stamina. On the stamina setting the laptop uses the intel video accelerator, and on the speed setting it uses nvidia go 7400. When using the vido accelerator, the colours display properly on the secondary monitor, it's only when under the speed mode(go 7400) that the colours on the secondary monitor are weird.