It is now working, but when calibre is launched from the CLI I get the followinng:
Code:
ron@localhost:~ $ calibre
FATAL: Error inserting nvidia340 (/lib/modules/4.18.11-pclos1/kernel/drivers/char/drm/nvidia340.ko): Operation not permitted
FATAL: Error running install command for nvidia
FATAL: Error inserting nvidia340 (/lib/modules/4.18.11-pclos1/kernel/drivers/char/drm/nvidia340.ko): Operation not permitted
FATAL: Error running install command for nvidia
QXcbIntegration: Cannot create platform OpenGL context, neither GLX nor EGL are enabled
Falling back to using screens root_visual.
qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 1721, resource id: 17304482, major code: 40 (TranslateCoords), minor code: 0
Restarting with: /opt/calibre/bin/calibre
ron@localhost:~ $ FATAL: Error inserting nvidia340 (/lib/modules/4.18.11-pclos1/kernel/drivers/char/drm/nvidia340.ko): Operation not permitted
FATAL: Error running install command for nvidia
FATAL: Error inserting nvidia340 (/lib/modules/4.18.11-pclos1/kernel/drivers/char/drm/nvidia340.ko): Operation not permitted
FATAL: Error running install command for nvidia
QXcbIntegration: Cannot create platform OpenGL context, neither GLX nor EGL are enabled
Falling back to using screens root_visual.
qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 1898, resource id: 17305815, major code: 40 (TranslateCoords), minor code: 0
I have now ordered a more modern graphics card, hoping it will sole the problem.