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that depends. if you mean a virtural computer on the harddrive. it is casued by the different levels of the pc, the IO might need to go by the main OS to actualy do things. like using the cpu or the ram. if it is on a usp too it will slow it down even more cause of less dedicated IO space, since the USB is conected different than a SATA.

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9y ago
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9y ago

Of course because virtual drives don't have full capabilities that of full-on PC's do. Virtual drives are simply like a miniature version of an operating system!

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Because your VD is running the 2nd OS, while the direct PC OS is also running.

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Q: Why might and operating system on a virtual drive run slower than one installed directly on a PC?
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