You may need to update your graphic drivers which you should be able to find on the Dell website.. Even if you have the latest drivers try re-installing them. Lastly, have you been able to run the aero desktop before or are you trying to turn it now? The reason I ask is if your graphic card is not up to spec it will not run the aero interface...

The UK site is here:
http://search.euro.dell.com/results....at=all&x=6&y=8
The US site is here:
http://search.dell.com/results.aspx?...=E1705&cat=all

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