Quote:
Originally Posted by jonny
It appears (from my own experience) and from several post in this forum that it is not uncommon that displaylink shows a blank (black) screen although it technically supports the screen (the screen is "present" in a way).
Why the screen appears blank is unknown to me. One can see that the screen is "present" by the fact the cursor is allowed to move into the screen.
I have adopted the procedure to disconnect the DVI connector from the USB displaylink adapter before I boot the computer (the USB connector is always connected). After the machine is fully booted and logged into, I reattach the DVI connector and then the screen on the displaylink'ed monitor appears correctly.
If I boot the machine with the DVI connector attached to the adapter, the mentioned monitor will invariably appear blank. Sometimes the picture will appear if I:
-disconnect the DVI connector
-disconnect the USB connector
-connect the USB connector
-connect the DVI connector
But this latter procedure does not always solve the problem. Booting without the DVI connector plugged into the adapter always provides the screen working correctly in the end.
The very same problem seems to concern all displaylink versions
5.5
5.6
6.0.
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Yes, this can be caused by the adapter not booting properly. If you look at this thread and the details on PID_8060 at the bottom, I think you have this issue:
http://www.displaylink.org/forum/showthread.php?t=896
Wim