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Old 11-27-2024, 02:35 AM   #16
txvoodoo
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Mine no longer starts up as well, since the most recent update.

My video card is NVIDIA GeForce RTX 2070 SUPER, updated drivers.
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Old 11-27-2024, 02:55 AM   #17
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Then try the version of the drivers that shipped with the video card.

One of the main reasons manufacturers release new versions of hardware drivers is to accommodate the whiz-bang features of their latest hardware… which by definition old hardware won't have.

BR

Last edited by BetterRed; 11-27-2024 at 02:57 AM. Reason: typo
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Old 11-29-2024, 07:47 PM   #18
Spacehorse12
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Calibre will not launch!

I updated Calibre to 7.22.0 today, 11/29/24, and now I can't get the program to start. I am using a Lenovo Yoga 6 laptop with Windows 11. Any suggestions out there?

Last edited by Spacehorse12; 11-29-2024 at 07:49 PM. Reason: add more info
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Old 11-29-2024, 08:23 PM   #19
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Quote:
Originally Posted by txvoodoo View Post
Mine no longer starts up as well, since the most recent update.

My video card is NVIDIA GeForce RTX 2070 SUPER, updated drivers.
Quote:
Originally Posted by Spacehorse12 View Post
I updated Calibre to 7.22.0 today, 11/29/24, and now I can't get the program to start. I am using a Lenovo Yoga 6 laptop with Windows 11. Any suggestions out there?
Are you using a laptop with dual video chipsets? If so, set calibre to run with the other video chipset.

If the first suggestion is no good, try adding the following environment variable.

Code:
QTWEBENGINE_CHROMIUM_FLAGS="--disable-gpu"
That will disable the video card for calibre and hopefully allow it to work.
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Old 11-29-2024, 08:32 PM   #20
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Quote:
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I am using a Lenovo Yoga 6 laptop with Windows 11.
Quote:
Originally Posted by JSWolf View Post
Are you using a laptop with dual video chipsets? If so, set calibre to run with the other video chipset.
Wouldn't be a Lenovo Yoga 6 of it had dual video chipsets.

BR
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Old Yesterday, 05:24 PM   #21
gadesfit
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Angry I'm totally agree

Quote:
Originally Posted by fireffox View Post
I have the same problem. I think there is a conflict between Calibre and display graphic card driver. Nobody has a solution for now...
I had installed a graphic card Nvidia GT 730, Calibre run good but I stopped updating in 7.16 because issue with viewer and new QT feature. But I changed to graphic card Nvidia Geforce RTX 3050. And it was impossible get Calibre run. I did all people say but nothing work. Of course, I installed studio version of Nvida drivers
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