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Obsolete Akai LPK25 for Windows 8.1?

LPK25 became obsolete now on Windows 8.1 64-bit? Plug-and-play doesn't work, so doesn't recognize it too. "USB Device Unknown" it's the only message that appears when I plug the keyboard. If isn't the outdated drive, what can be?
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  • Hello Philipe,

    Thanks for posting!

    Microsoft has made several behind the scenes updates to the USB 2.0 and USB 3.0 driver implementation as well as USB/MIDI driver functionality with some Windows 8.1 automatic updates (occurring around April 2014).

    They only seem to affect a very small number of users, possibly related to an incompatibility that may be due to a particular computer manufacturer's hardware.

    To best confirm this is a Microsoft issue, test the LPK25 on a Windows 8.0 or 7 computer. This will ensure the LPK25 hardware itself is still working properly.
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