Thread: Calibri suddenly showing empty ebooks
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Old 07-09-2023, 11:07 PM   #3
kovidgoyal
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This is most likely the usual viewer blank/black screen caused by GPU driver incompatibility with Qt WebEngine. Try updating your GPU drivers if that doesnt work try turning off hardware acceleration in the viewer via the environment variable as described here: https://doc.qt.io/qt-6/qtwebengine-debugging.html
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