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Then "pnputil /enum-drivers", and in the output look for Prolific drivers other than the ones from the previous step.
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It will add the two driver packages to the driver store and tell you what oemXY.inf files it has assigned to them.
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What I did is this:įirst install the downloaded driver by unpacking the zip file and "pnputil /add-driver *.inf /subdirs /install" (the /install is probably not necessary) from the extracted "Win11_DCHU" directory. Getting it installed is a bit tricky, it seems. There is a working driver at, a bit down the page listed as "DCHU (for PC Vendors)".
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