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Cura won’t run with 3 monitors

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Posted · Cura won’t run with 3 monitors

I have downloaded Cura 4.2 and now find that it won’t run when I have 3 monitors connected which I generally do  as the computer is used for more than just Cura.

 

it is definitely a Cura issue as when I disconnect a monitor Cura runs again, but with all 3 connected it displays the startup screen, goes to the main Cura screen but it is all white and then closes without showing the actual program.

 

what could be wrong - every other program runs correctly?

 

Windows 10 Pro 1903, 16gb 

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Posted · Cura won’t run with 3 monitors

Could you try the following:

 

In %APPDATA%\cura\4.2\Cura.cfg, in the [general] section, remove the lines starting with window_left and window_top. Then start Cura.

 

This should start Cura on the primary display.

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Posted · Cura won’t run with 3 monitors

Ok, now you should be able to move the Cura window to other monitors, but remember to move it back to the primary monitor before you close it. Or else you have to edit the config file again.

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Posted · Cura won’t run with 3 monitors

Hi @ahoeben, I've seen this fix mentioned a couple of times recently, would it make sense for Cura on closing to either detect when those lines should be deleted because there's more than one monitor or just delete them anyway?

 

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Posted · Cura won’t run with 3 monitors

Those two lines work fine on my multi monitor setup. I wouldn't know of a way to detect setups where it does not work. There could be a preference to not store the window position on exit.

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Posted · Cura won’t run with 3 monitors

As far as I know, yes.

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Posted · Cura won’t run with 3 monitors

Here is a PR that adds a preference to not restore the position and size of the window, thus keeping Cura on the primary display:

https://github.com/Ultimaker/Cura/pull/6385

Affected users would still need to be able to start Cura to reach the preferences dialog (or edit cura.cfg to add the preference once)

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