question

Clair A avatar image
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Clair A asked Logan Gold commented

FlexSim is not responding when opening a model on a 2nd screen

One of our customers reported an issue to us, that I am not able to reproduce. So I post it here, in case someone in the community experiments the same issue or finds a way to replicate that issue.

A new feature has been introduced in 23.0:

Added an option to remember the application's window placement when opening.

https://docs.flexsim.com/en/23.1/Reference/ReleaseNotesAndHistory/ReleaseNotesAndHistory.html#23-0-0

For example if you have 2 screens and double click on a model in your file explorer, Flexsim will open on your main screen, or on your 2nd screen, based on where the application saved the previous window placement.

Here are the steps reported by our user, with a test model Modèle 5 (robot, ascenseur, transtockeur, pont roulant).fsm.

When he double clicks on the model file and FlexSim opens on his main screen, it loads correctly.

When he double clicks on the model file and FlexSim opens on his 2nd screen, it does not load the 3D view correctly and he gets a message that FlexSim 2023 is not responding:

1680080300163.png

So he needs to end the FlexSim process to close the program.

If he opens FlexSim first (without double clicking on a model file) on his 2nd screen, and then opens the model file, it loads correctly.

Here is his graphics configuration:

1680081011902.png

Nvidia 528.49 driver was released in February. Since then Nvidia has released new drivers, so I will ask to this user to update his drivers to see if this fixes this issue.

As I was not able to replicate this issue on my computer (with an older Nvidia driver) and multiple screens, in the meantime I told this user to uncheck this feature in his global preferences:

image.png

FlexSim 23.0.5
external display
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1 Answer

Joerg Vogel avatar image
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Joerg Vogel answered Sebastien commented

We had a similar problem with a disconnected screen. MS Windows remembers, where a program was closed. I think, it stores a screen ID. But this ID must not be the same if a screen gets disconnected and connected again. Physically everything seems unchanged, but from ms windows system view the screen is missing. You cannot interact on a closed or not present screen.
This can happen if you close a program, switch off your computer, disconnect the cable in off state, start your system. Then you do some work, switch off your machine again. You connect the screen again in off state and in some cases ms Windows recognizes this screen as a new device, when you turn your computer on again. You start FlexSim. You think physical has nothing changed. But in fact the second screen is still missing for the system settings.

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