On my previous blog posts, I covered the installation of VirtualBox 2.1 and I went over the step-by-steps to create a virtual machine to host Windows 7.
I will now go over the details of fixing the sound, video and network adapter.
If you go to Start > Right-click on My Computer > Manage (or run mmc), then you will get the content management window. You should notice that two devices are not properly installed (Base System Device, Ethernet Controller).
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