If I have an image for a
dell optiplex 990, can that image be used for all desktops with this brand? Or, does the hardware have to be an exact match (excluding RAM)? E.G. upgraded video card.
closed as not a real question by Diogo, Mokubai♦, Simon Sheehan, Renan, Hello71 Jul 17 '12 at 0:39
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In the case of something minor, like a different video card, the system would boot, not use the specific drivers that had been installed for the expected video card and instead use the generic Standard VGA drivers that were present. So something like a different video card wouldn't present an issue.
Now, don't extrapolate that to mean you can take an image and use it on a completely different system. Differences like... image made n a system with an AMD processor used on a system with an Intel Processor would most certainly BSOD (different chipsets).