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#11
Thanks for all the replies.
The display issue happens only in Aero Theme mode. There is no issue in the Windows 7 Basic theme mode, which is what I have reverted to.
I tried running the Troubleshooting for both Aero and Display options but it didn't really detect anything. It just asked me to set the Display settings for Best Appearance. But that didnt change anything.
When I bought the laptop, it had Windows Vista 64-bit on it. I installed Windows 7 x64 Ultimate doing a clean install after formatting the OS partition.
But I checked the Device Manager and there are no missing drivers. Dell website has Windows 7 drivers for this laptop model and I downloaded and updated those as well.
Aero themes seemed really cool and I heard from many folks that Windows 7 is awesome. But my experience seems to be otherwise, unfortunately.
Please let me know if there is any other information that I can provide that can help on the diagnostics.