Quote:
Originally Posted by wmldwilly
Upon the RAREST occasion when switching from MIRRORED to extended desktops, the external displays hosted by displaylink adapters will momentarily come to life and show the cursor, then return to black again.
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I noticed that exact same issue as well on Windows 8.1, and my laptop has Intel & NVIDIA cards (Optimus). My (temporary) fix was to download 7.4M0 and that made it work again, but 7.4M2 fails pretty much in the same manner as yours does.
Link for 7.4M0 to see if it makes a difference:
http://displaylink.com/support/sla.php?fileid=98