Windows – Missing “Disk options (advanced)” on Windows 7 installation

formattinginstallationwindows 7

I wanted to install Windows 7 and format the disk partition while doing so. My problem is that advanced disk options are missing. Here is a screen shot:
Here is my installation screenshot
And here is how it should look:
here is how it should look
I probably missed something.

Best Answer

Boot from windows DVD and you'll be able to format it. You screenshot shows that "To make change to partition, restart windows from installation disc"

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