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Old 12th February 2013, 04:40 AM
shawns Offline
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Join Date: Jan 2013
Location: canada
Posts: 1
Nvidia kernel driver "Required key not available"

Hopefully I can save someone some time.

If you:

modprobe nvidia

and get:

ERROR: could not insert 'nvidia': Required key not available

This means you have secure boot turned on in your motherboard bios settings. If you want to use the nvidia driver, you will need to turn secure boot off.

Have a good day.

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Old 23rd April 2013, 01:02 AM
ndarkduck Offline
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Join Date: Jul 2010
Posts: 3
Re: Nvidia kernel driver "Required key not available"

By any chance, in any near time could be possible to boot UEFI + propietary nvidia drivers?
OK, there is a solution tested on FC18.
Download bumblebee and bumblebee-nvidia (https://fedoraproject.org/wiki/Bumblebee)

see how it fails with just the instructions (April 22, 2013). Remove the /etc/sysconfig/nvidia/*310.32run driver, download the 310.44.run in that directory

Execute the failed bumblebee service
systemctl bumblebee-nvidia start

done! =)

Last edited by ndarkduck; 23rd April 2013 at 02:48 AM.
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Old 23rd April 2013, 02:51 AM
srs5694 Offline
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Join Date: Jan 2011
Location: Woonsocket, RI
Posts: 521
Re: Nvidia kernel driver "Required key not available"

ndarkduck, the issue that shawns has identified is not with EFI/UEFI; it's with Secure Boot. The latter is an optional feature of UEFI, and as shawns has said, it can be disabled while still booting in EFI mode.

I'll add that it should be possible to sign the nvidia kernel driver with your own personal key, add that key to the Machine Owner Key (MOK) list, and then load the signed version of the driver while booted in Secure Boot mode. I've not tested this, though, so perhaps I'm mistaken and something would interfere with that plan.
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Old 29th May 2015, 07:25 PM
Phodyssey Offline
Registered User
Join Date: Apr 2010
Posts: 24
Re: Nvidia kernel driver "Required key not available"

Had this problem and found your post. Thank you for sharing your solution. :-)
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