That's why many products have installation instructions telling you not toPaul said:The OS has a certain number of "USB Class" drivers, which
are standardized against the standards of USB.org. And that's
how a lot of stuff is supported, without usage of a separate
driver CD. However, it's still possible for a hardware
designer to design custom hardware, set the class to indicate
"Custom", in which case Windows should back off, until the
driver CD is used.
connect the USB device to your computer until after you run its installation
program. USB drivers are selected in order of increasing general
applicability, first looking (simplified) for a match on class+model+rev,
then class+model, then class. Thus, if you have a USB memory stick that
doubles as a hand warmer [*] it will be default get the generic memory
device driver, but if you run its software installer first you'll get the
driver that also offers a thermostat.
[*] On the reference to a "hand-warmer" option: it's not a deliberate
feature with a device driver-provided thermostat...but the new 32 GB USB3
stick from Kingston (model "DT Ultimate") that's intended to support Windows
To Go on WIN8 does get quite toasty. Kingston's been made aware of the
problem and is reportedly working on a fix.