New
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Windows 10 Upgrade 1903 64 bit Soundblaster drivers disappeared
I finished installing version 1903 on Windows 10 64bit machines. All original Windows 10 (not upgrades).
1) Soundblaster card drivers had to be reinstalled after upgrade.
Not nice for an OS upgrade. I went to the soundcard website, and reloaded the drivers. At that point, sound worked again.