Sunday 20 March 2011

The Aero Interface

The performance impact of the Aero interface has been hotly debated since the time that Windows Vista was first released. I have seen some benchmark tests that indicate that there is no noticeable performance impact associated with enabling the Aero interface. At the same time though, there are people who swear that their PCs run more efficiently without it. In either case though, there is no denying that Aero does consume a significant amount of system resources.
In the current beta of Windows 7, Setup is designed to compute the system index. Assuming that the machine has a sufficient system index score and compatible graphics hardware, aero is automatically enabled. On the other hand, aero is not automatically enabled (although the aero shake and aero peek features are enabled) if you are running Windows 7 within a virtual machine. Windows 7 is designed so that it will not compute the system index if it is running within a virtual machine, and unless a system index is calculated, the aero glass is not enabled.

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