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-   -   Macbook Pro freezing when external displays connected (https://www.displaylink.org/forum/showthread.php?t=454)

Carlo 09-28-2010 10:12 PM

Adam everything looks absolutely fine in all the logs. All the devices are associated to different screens etc.
Or we are passing wrong information to the OS or there is a bug in Mac OS.
I'll have to find at least two similar monitors to try to see the same issue and debug it.

adam 09-29-2010 11:55 AM

Strange....Do you still think that my Macbook is crashing when all 3 are connected at once because of the power issue we talked about? I found this hub which I have ordered and am hoping will resolve the power problem:
http://www.kenable.co.uk/product_inf...oducts_id=2138

Carlo 09-29-2010 02:54 PM

Yes I still think the main issue is a power problem. Might be wrong but it's the best fit!
That hub looks quite power-full. Might be a good addition to the test lab here actually, thank you for the hint.

Pawel 09-29-2010 03:58 PM

We are happy to inform that there is a new 1.6 Beta 3 driver available for download from here.

This release has fixed a GUI freeze issue when resuming from sleep on some systems.

Regards

adam 09-30-2010 09:42 AM

Great, thanks for the pointers. Just so you know Carlo, I got that hub through in the mail. Nice hub but it only outputs 2A, even though the input is 12A. I have tried it with the adaptors and still no joy, freezing and moving the arrangement around all over the place. I am starting to wonder if it is somehow overloading the bus on the Macbook itself?

If I connect each display up one at a time into the hub things seem to be a lot more stable, it's just extremely annoying.

Thanks for the link Pawel, I will try that driver.

Carlo 09-30-2010 07:30 PM

Hi Adam, if I were you I'd avoid using an underpowered hub: even a resolution change or a resume from sleep can bring the power consumption over the maximum. But now you have two hubs: connect the second hub and one adapter to the first hub and the remaining adapters to the second hub and you should be fine.

adam 09-30-2010 07:45 PM

Right, brilliant news. For whatever reason, beta 3 driver has fixed the main problem of my Macbook Pro freezing! I have all 3 adaptors connected to my original hub which is a Belkin Tunesync and they all come up fine. I have restarted and shut down and started up. Each time the hub is connected to my Macbook before it is switched on. I switch it on and after Snow Leopard has started, it thinks for a minute and all displays appear fine.

The only issue that is still present is the arrangement. The interesting thing is that if I arrange the displays correctly and then restart, my Macbook comes back fine. If I shut down though, the next time I switch my Macbook on the left and centre displays are the wrong way round.

To be honest, I am not that bothered about this issue as I am just really happy I can now connect them all to 1 hub.

An interesting thing to note also is that I ran a disk verify (not because I thought it would fix this issue, just because I like to keep my Mac in good shape). It reported that my HD was corrupt and I had to run the repair from the OS disk, which I did. I also repaired permissions on the disk. Don't know if that had anything to do with helping to fix the issue, just thought I would let you know.

Thanks so much for all your help and if you do have any ideas about the arrangement then let me know.

adam 11-05-2010 01:17 PM

Just thought I would pop a quick picture up of my current setup
http://www.facebook.com/photo.php?pi...6&id=902640386


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