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Microsoft loves Aurora's in Windows Vista. They hide an amazing boot screen that can easily be enabled. And they provide a tool for 3D benchmarks that uses aurora animation.
Windows Aurora? Enjoy!
1. 3D benchmarks a. In the start menu search box, type "winsat aurora"
2. Hidden Aurora Boot Screen
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a. Type msconfig into the start menu search box, and press enter.
b. Go to the Boot Tab and check the "No GUI boot" checkbox option.
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Choose OK and reboot your computer. Now, you will see the Aurora boot screen while starting.