Quick find, if the ID can't be enumerated by PNP then there won't be any vendor, device, etc ID at all. Sounds like this is the case here which points to defective interface hardware on the UPS'.
HTTP://support.microsoft.com/kb/244601 Still there could be a hack where given a known port to watch a process could reset the port until enumeration succeeded. On Nov 12, 2011 4:52 PM, "Joshua MacCraw" <[email protected]> wrote: > I'm out in about so I can't look up the guid. my guess is that's the > generic class ID for unknown devices vs the actual device ID. > > I'll look into it further when I get back home. > On Nov 12, 2011 2:43 PM, "Steve Tomporowski" <[email protected]> wrote: > >> I can't find a PNP device ID, but the hardware ID is USB\UNKNOWN. Device >> Class GUID is {36fc9e60-c465-11cf-8056-**444553540000}. Under General >> the device type is 'Universal Serial Bus controllers'. >> >> On 11/12/2011 5:29 PM, Joshua MacCraw wrote: >> >>> Try this next time it shows up as an unrecognized device: >>> >>> go into device manager and look for the device with the exclamation >>> point. >>> Right click choose properties, and note the PNP device ID listed in the >>> tab >>> then post it here. >>> On Nov 12, 2011 11:54 AM, "DSinc"<[email protected]> wrote: >>> >> >>
