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Search: Posts Made By: Carlo
Forum: Mac Software 10-11-2017, 12:55 PM
Replies: 81
Views: 217,429
Posted By Carlo
I'd play with different resolutions in System...

I'd play with different resolutions in System Preferences->Displays to ensure a valid resolution is selected.
If this fails, please send us the logs:...
Forum: Mac Software 10-06-2017, 07:29 AM
Replies: 81
Views: 217,429
Posted By Carlo
For a workaround, try this FAQ:...

For a workaround, try this FAQ: http://support.displaylink.com/knowledgebase/articles/1812676-macos-high-sierra-mirror-issues

For the bug itself, it would be very helpful if you could raise a...
Forum: Mac Software 10-05-2017, 06:23 AM
Replies: 2
Views: 7,424
Posted By Carlo
Most likely the kernel extension is blocked by...

Most likely the kernel extension is blocked by the new security policty.
Please follow the instructions on...
Forum: Mac Software 10-03-2017, 09:43 AM
Replies: 5
Views: 8,764
Posted By Carlo
We checked the multiple GPU theory with an...

We checked the multiple GPU theory with an external GPU (eGPU) and we can reproduce there as well. This definitely puts the issue in Apple's court so we're going to open a bug on bugreporter. We'd...
Forum: Mac Software 10-02-2017, 12:37 PM
Replies: 81
Views: 217,429
Posted By Carlo
Hi, If your device is not visible as a USB...

Hi,

If your device is not visible as a USB device then we need to analyse the HW and host controller configuration, it's not a driver matter as the driver has nothing to connect to.

We need to...
Forum: Mac Software 10-02-2017, 07:20 AM
Replies: 81
Views: 217,429
Posted By Carlo
Hi, You can find the latest drivers at...

Hi,

You can find the latest drivers at http://www.displaylink.com/downloads

Some manufacturers can take a while to update their own download page.

Regards,
Carlo
Forum: Mac Software 09-29-2017, 04:48 PM
Replies: 81
Views: 217,429
Posted By Carlo
Have you installed version 4.0 of the DisplayLink...

Have you installed version 4.0 of the DisplayLink drivers?

Carlo
Forum: Mac Software 09-28-2017, 07:49 PM
Replies: 10
Views: 32,715
Posted By Carlo
Hi, This is a known operating system bug in...

Hi,

This is a known operating system bug in High Sierra. We have investigated it and we don't think there is anything we can do about this issue apart from reporting it to Apple.

To raise the...
Forum: Mac Software 09-28-2017, 05:51 PM
Replies: 5
Views: 8,764
Posted By Carlo
We have a reproduction! Next, analysis....

We have a reproduction!

Next, analysis. Still unsure whether it's an OS bug and/or we can do something about it.
Will update as soon as we find more information.

Regards,
Carlo
Forum: Mac Software 09-28-2017, 05:43 PM
Replies: 5
Views: 10,886
Posted By Carlo
Hi All, Many thanks for your appreciation,...

Hi All,

Many thanks for your appreciation, however most of the credit goes to Apple.

We've said for many years that most of the woes on macOS were due to the limited OS programming interfaces...
Forum: Mac Software 09-27-2017, 10:18 AM
Replies: 5
Views: 8,764
Posted By Carlo
Very interesting. Yes our rendering on...

Very interesting.

Yes our rendering on recent systems with 10.13 is happening on the Intel GPU. I can't repro on a MacBook Air or your same model. Tried different monitor combinations and still...
Forum: Mac Software 09-25-2017, 09:02 AM
Replies: 1
Views: 6,743
Posted By Carlo
Definitely a hardware problem, probably there is...

Definitely a hardware problem, probably there is not enough power for the panel. You could try using an externally powered USB hub, however I'd contact the vendor to seek advice.

Regards,
Carlo
Forum: Mac Software 09-25-2017, 09:00 AM
Replies: 2
Views: 10,754
Posted By Carlo
Hi JW, Unfortunately Apple has introduced...

Hi JW,

Unfortunately Apple has introduced this issue in 10.12.4. The missing/corrupted window contents are created before we can access them so this is completely outside our control.

The good...
Forum: Mac Software 09-22-2017, 09:50 AM
Replies: 4
Views: 9,860
Posted By Carlo
Many thanks Rudolph for letting us know. ...

Many thanks Rudolph for letting us know.

With the new OS, there will be quite a few issues that are only reproducible in corner cases some of the times. Will take some time as usual to find and...
Forum: Mac Software 09-19-2017, 12:34 PM
Replies: 4
Views: 9,860
Posted By Carlo
Hi Rudolph, We haven't seen this in our...

Hi Rudolph,

We haven't seen this in our testing apart one case where the mouse pointer disappeared from the internal screen of a MacBook Pro. But was fine on the DisplayLink screens, strangely....
Forum: Mac Software 08-10-2017, 09:17 AM
Replies: 6
Views: 10,891
Posted By Carlo
Hi Justin, Yes I had a chat with James, he...

Hi Justin,

Yes I had a chat with James, he still did not know the results of the tests on 10.12.6. Unfortunately since 10.12.4 the user experience for anyone with a discrete graphics card is...
Forum: Mac Software 08-09-2017, 08:23 AM
Replies: 6
Views: 10,891
Posted By Carlo
Hi Justin, In our tests 10.12.6 behaves...

Hi Justin,

In our tests 10.12.6 behaves exactly as 10.12.5, which unfortunately means that the issues introduced in 10.12.4 are still there.
Given the major (and mostly positive) changes in 10.13...
Forum: Mac Software 08-07-2017, 06:46 AM
Replies: 1
Views: 15,111
Posted By Carlo
Hi Erika, The two most common reasons for...

Hi Erika,

The two most common reasons for this kind of product can be older drivers or not enough power for the display.
You can try the latest macOS driver from here:...
Forum: Mac Software 08-02-2017, 07:33 AM
Replies: 4
Views: 10,124
Posted By Carlo
Hi sdmachead, Being a USB to HDMI adapter a...

Hi sdmachead,

Being a USB to HDMI adapter a power issue is always the most likely, but it's strange that it would affect the other ports... You may want to look at Console and check for the...
Forum: Mac Software 07-17-2017, 12:40 PM
Replies: 1
Views: 8,557
Posted By Carlo
Hi jerzy, Unfortunately this is the current...

Hi jerzy,

Unfortunately this is the current behaviour on unaccelerated screens. We've measured very high CPU usage in this use case between Chrome, DisplayLink and macOS
The good news is that the...
Forum: Mac Software 07-14-2017, 03:37 PM
Replies: 81
Views: 217,429
Posted By Carlo
Hi, If you are logged out when connecting...

Hi,

If you are logged out when connecting the DisplayLink screen(s) then you've likely hit a macOS bug that is triggered by mirroring screens. It's probably the same issue it's currently happening...
Forum: Mac Software 06-15-2017, 08:44 AM
Replies: 81
Views: 217,429
Posted By Carlo
Some news on the bugs we have with Apple. They...

Some news on the bugs we have with Apple.
They main issues have been closed as duplicates of Apple bugs. So Apple is aware and is hopefully working on solutions.
As usual, it's useful for everyone...
Forum: Mac Software 06-07-2017, 08:47 AM
Replies: 81
Views: 217,429
Posted By Carlo
Yes no pixels, but the contents are rendered if...

Yes no pixels, but the contents are rendered if you take a screenshot. This means that we don't get updates from the OS. Analysing this now.

Another issue is the window server crashing when going...
Forum: Mac Software 06-06-2017, 11:51 AM
Replies: 1
Views: 8,131
Posted By Carlo
Hi dazey, We tested this use case and found...

Hi dazey,

We tested this use case and found no new instability on two systems. I fear that you are seeing a known instability in Yosemite and El Capitan where the Window Server would randomly...
Forum: Mac Software 06-05-2017, 08:12 AM
Replies: 38
Views: 64,630
Posted By Carlo
Thank you for the updates. Despite much...

Thank you for the updates.

Despite much insistence, we have not heard from Apple recently about this issue, we probably need to see what happens at WWDC.
On both systems we have that can...
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