10-09-2019, 06:01 PM | #1 |
Junior Member
Posts: 4
Karma: 10
Join Date: Jul 2019
Device: Paperwhite
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Blank Ebook reader
Ever since I did the upgrade, when I try to view a book with the built in viewer, it shows up as blank. This is true for Epub and Mobi.
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10-09-2019, 08:27 PM | #2 |
creator of calibre
Posts: 44,380
Karma: 23766374
Join Date: Oct 2006
Location: Mumbai, India
Device: Various
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Sadly, on some old computers with Windows 7 and certain graphics cards,
Qt WebEngine, the new component calibre uses for rendering in the viewer/editor either renders blank screens or has lots of rendering artifacts. This can sometimes be fixed by updating graphics card drivers. If that does not work, you will have to remain with calibre 3.48 until you are able to update Windows. Note that Windows 7 is being End-of-lifed by Microsoft in January 2020. Old version of calibre are available from: https://download.calibre-ebook.com/ You can simply uninstall calibre 4 and install calibre 3.48 instead, all your books/settings/plugins will be unaffected. |
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reader, viewer |
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