screen noise patterns

[imtek]

At random times, screen will fill with odd geometrical patterns sometimes over the entire screen. This occurs both with the Android and HTML clients using the latest server software. Thanks in advance for any help. John

[spacedesk Lea]

Hi @imtek,
Could you please send us the screenshot of this issue?

[imtek]

Here is one example of the problem. Thanks in advance for your help. John

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[spacedesk Lea]

Hi @imtek,
Thanks for sending the screenshot. It’s the first time we saw this kind of issue.
Could you please send us the following info:
Primary Machine
– operating system (Windows 8.1/10)?
– graphics adapter (AMD/Intel/Nvidia)
– network connection type (wired/wireless/USB tethering/WiFi Direct)

Secondary Machine
– Viewer type (Android/iOS/Windows/HTML5)
– network connection type (wired/wireless/USB tethering/WiFi Direct)

Could you also please run dxdiag.exe on your primary machine, click „Save All Information“, then attach the output file (dxdiag.txt) on your next reply.

• Diese Antwort wurde geändert vor 3 Jahren, 3 Monaten von spacedesk Lea.

[imtek]

The graphics hardware is an intel UHD Graphics 600

Secondary machine 1: Linux over ethernet
Secondary machine 2: Android over wifi

dxdiag.txt file is attached.

Many thanks for your help.

John

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[spacedesk Lea]

Hi @imtek,

Could you please try to update your Intel(R) UHD Graphics 600 graphics driver from their website.
Or via Intel Support Assistant

If the issue still persist after GPU update, please download the spacedesk diagnostic script here, then extract it.
https://www.dropbox.com/s/z8h5llgi8c2ig3g/2021_spacedeskDiagnosticTool.zip?dl=0

Inside you will find spacedeskDiagnosticTool.cmd, just right-click it then run as administrator.
This script will start a debug view app to capture spacedesk debug traces.
On step 5 it will prompt you to reproduce the issue (by connecting the viewer app and wait the viewer to show the image issue), make sure to do this before pressing any key to continue.
After the script is done, a folder will be created on the same folder as the script file which contains various log files that we need for analysis.
Please right-click it -> Send to -> Compressed (zipped) folder, then attach the *.zip file on your next reply.

[imtek]

Video driver is current and the diagnostic output is attached. Thanks for your help. John

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[imtek]

Ha there been any progress on this? Thanks!

[spacedesk Lea]

Hi @imtek,
Apologies for delayed feedback.
We are still analyzing what could be the cause of this issue.
This is the first time we have seen it.

Based on the screenshot you sent, only the portion where the task bar does not have this black and white pattern.
The diagnostic logs does not show any indicators that causes this pattern over the screen.

We suspect that there’s a third party app on your machine that is messing up with the connected spacedesk display.
We would like to request for the following:
– take a screenshot of your whole primary machine displays (together with attached spacedesk displays showing the black and white pattern issue) via PrintScreen(PrtSc) key on your keyboard, then paste it on Microsoft Paint app save it and send it to us.
– screenshot of you display settings window while spacedesk is connected and showing the black and white pattern issue

[imtek]

Thanks for getting back to me. No doubt that software product development can be very difficult. I did a screen capture but am very confused about the result. The android tablet is rotated 90 degrees and is all black. There was a noise pattern present but nothing showed in the capture. Please me know what I need to do to show the problem. Many thanks for your help. John

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[spacedesk Lea]

Hi @imtek,
Thanks for sending the requested files.
Based on your screenshot, it seems that the spacedesk display is detached.
Could you please click the grayed out display (#1), then attach it by selecting „Extend these displays“ on the Multiple displays dropdown menu below.

[imtek]

Here are two grabs, one where there was a noise pattern and one normal screen. I have not been able to get the noise pattern to show up in the screen grab. BTW, corruption often occurs when a when a window is moved rapidly on the screen. Sooner or later a refresh will clear up the problem.

Many thanks for your help!

John

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[spacedesk Lea]

Hi @imtek,

It seems that this noisy pattern is happening outside spacedesk screen image processing.
Even the Window’s print screen cannot capture it too..
We are now convinced that there’s a third party app on your machine that is messing up with the connected spacedesk screen.

Can you tell us some of your software (e.g. 3D apps) currently running while connecting a spacedesk viewer?
We also noticed you have a third party app for your Start menu button, can you tell us what software it is?

[Autor]

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