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Display issues on Allegro Viewer 17.4 using Virtualbox

Leandro Heck

Hello folks,

I am using Allegro Viewer 17.4 on a Virtualbox (Version 6.1.32_Ubuntu r149290) with Windows 11 as the guest OS.

For some reason Allegro Viewer is not working properly. It is not displaying the canvas/board/desing area completely. Something happens that half of the screen, inside of the program, is always black/dark, and only half or less is visible.

Does Allegro have any limitation regarding the screen resolution or something that I could check to prevent this from happening? 

Did you have experienced the same issue?

Do you know how to fix this or maybe something that I could try to improve?

Thank you all.

Best regards.

Parents
  • Leandro Heck
    0

    Ah, I found out that OpenGL is the culprit.

    Then the Allegro Viewer has a version (which is also installed by default) that is "Allegro Physical Viewer 17.4 (no OpenGL)" that does not have the related issue. This solves my issue here.

Reply
  • Leandro Heck
    0

    Ah, I found out that OpenGL is the culprit.

    Then the Allegro Viewer has a version (which is also installed by default) that is "Allegro Physical Viewer 17.4 (no OpenGL)" that does not have the related issue. This solves my issue here.

Children
  • Leandro Heck
    0 in reply to Leandro Heck

    While this works with Allegro, it does not work with OrCAD since it does not have a version without OpenGL.

    In this case, how do I fix it for OrCAD too?

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