Sesktop composition is missing in vista

I have recently purchased a Compaq F500 Presario Laptop and I have notived
that the desktop Composition enable option is missing. I have another of the
same and a NEC desktop that have this option.

1. What does it do
2. how do i get this option back without to much fuss.

I have done a fresh install of vista and the same result was found.

Formating partition as to remove any trace of the Previous version of
Windows Seems to have worked, however I would still like to know what
desktop Composition is.

Ben Ramsay;735040 Wrote:
> Formating partition as to remove any trace of the Previous version of
> Windows Seems to have worked, however I would still like to know what
> desktop Composition is.

Quoted directly from Microsoft at 'Desktop Window Manager'
(http://msdn.microsoft.com/en-us/library/aa969540.aspx)

> The new Windows Vista desktop composition feature fundamentally changes
> the way applications display pixels on the screen. When desktop
> composition is enabled, individual windows no longer draw directly to
> the screen or primary display device as they did in previous versions of
> Microsoft Windows. Instead, their drawing is redirected to off-screen
> surfaces in video memory, which are then rendered into a desktop image
> and presented on the display.
>
> Desktop composition is performed by the Desktop Window Manager (DWM), a
> new component of Windows Vista. Through desktop composition, DWM enables
> visual effects on the desktop as well as various features, such as glass
> window frames, 3-D window transition animations, Windows Flip and
> Windows Flip3D , and high resolution support. For more information about
> the user experience features enabled by the DWM visit the Windows Vista:
> Features User Experience Page.


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"Ben Ramsay" <> wrote in message
newsFFED07D-6EA5-4A18-BA88-...
> Formating partition as to remove any trace of the Previous version of
> Windows Seems to have worked, however I would still like to know what
> desktop Composition is.


So would I - what does it do?