10.10.3 Blank Screen after update from 10.10.2
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My system was working fine until an Apple update in late March or early April. Now my Displaylink monitor is blank. The screen maps in my system settings, and I can move my mouse to the screen (although I can't see the mouse)
I uninstalled and reinstalled the 2.4.1b software, but still not working. My DisplayLink device works because I tested it on another of my MacBook Pros. I attached the log file. Hopefully I used it correctly to gather the needed info. thx |
Hi Kevin,
We have spotted a possible problem on this specific system: you have a kernel extension called vhhcd.kext that has created similar issues for a different user. It seems to be connected with a SW called VirtualHere. Could you try uninstalling the vhhcd.kext kernel extension and check if the issue is still there? Best regards, Carlo |
That fixed it
Works after removing the kext file.
Now the question is whether the issue is DisplayLink or VirtualHere. Any thoughts? I will contact VirtualHere as well. thx. |
@Carlo: Im a developer from virtualhere. if you know the conflict with your driver let me know and ill make a fix to my driver if its something to do with vhhcd. I suspect you are polling the system for all USB Host Controllers and are only expecting Apple ones and your system then stops the polling...just a guess...Michael
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Quote:
Yes that's the kind of issue we would have expected but it is much more weird than that! We'll contact you directly. Cheers, Carlo |
OK this is now confirmed fixed in 2.9.5 of the virtualhere client.
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Thank you Michael,
This was a fast workaround! Cheers, Carlo |
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