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Is it possible to install multiple drivers for a single device (say, a touchpad), and then switch between them on the fly? (I.e., without a reboot.)
I'm having some trouble with the Synaptics driver of my touchpad, and like to be able to switch to a generic mouse driver on the fly with a keyboard shortcut (or something like that), so I can enjoy Synaptics' multi-touch tomfoolery one moment and a no hassle touchpad driver without oddities the next.

Edit - If What Frank Thomas said is correct, and it isn't possible to straight out swap drivers, wouldn't it be possible to write a driver that acts as a wrapper for other drivers, additionally giving the user the option to swap them through that?

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How about searching for a working driver instead? –  Baarn Nov 30 '12 at 14:52
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I mean, post the problem you actually face instead of looking for some dubious fix. –  Baarn Nov 30 '12 at 14:52
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What @Informaficker is referring to is you are asking a XY Problem. Please let us know what X is. –  Scott Chamberlain Nov 30 '12 at 15:03
    
I've already posted X on several other sites and fora. (E.g.: superuser.com/questions/504571/use-touchpad-while-typing.) This is something of a last resort effort to deal with the problem. –  Protector one Nov 30 '12 at 15:44
    
The ability to create different hardware profiles in XP was a great help, but of course this useful feature was removed from Vista+. –  Karan Nov 30 '12 at 18:49
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as a rule, no, since drivers are loaded into the kernel and are "dangerous" to unload without a shutdown in that they may cause a kernel panic once the driver is unloaded. It is possible to load drivers on the fly (USB devices for instance) but they can't be swapped out without a reboot.

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