I have installed Ubuntu using a Secure Boot option on UEFI. Since then I have disabled secure boot, and now I want to install NVidia drivers. But the Additional Drivers section of the Settings panel is still empty. How do I change that?
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What video do you have? Are you running dual video? Post this: lspci -nnk | grep -iA3 vga – oldfred Aug 02 '13 at 18:02
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Installing nvidia-current manually worked. No doubt it will fail miserably if I ever reenable Secure Boot, though.
Alexei Averchenko
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With secure boot enabled you would get a black screen because no video driver is loaded (see [this](https://askubuntu.com/questions/760780/nvidia-proprietary-driver-does-not-load-when-using-shimx64-since-xenial)). – Stéphane Tréboux Jul 29 '16 at 18:25