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Without the nvidia drivers I have full resolution and no issues with entering the password. After installing the drivers I see no input and even if I type the password correctly and press enter nothing happens.

After running lspci -k | grep -EA2 'VGA|3D'

I get this

02:00.0 VGA compatible controller: NVIDIA Corporation GK104 [GeForce GTX 770] (rev a1)
    Subsystem: CardExpert Technology GK104 [GeForce GTX 770]
    Kernel driver in use: nvidia
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Please edit your question and add output of lspci -k | grep -EA2 'VGA|3D' terminal command. – Pilot6 Aug 9 '16 at 9:01
    
02:00.0 VGA compatible controller: NVIDIA Corporation GK104 [GeForce GTX 770] (rev a1) Subsystem: CardExpert Technology GK104 [GeForce GTX 770] Kernel driver in use: nvidia – bregoSon Aug 11 '16 at 17:30
    
Which driver did you install? – Pilot6 Aug 11 '16 at 17:45
    
drivers version 367.35. It does not matter which version it is all have the same problem. – bregoSon Aug 12 '16 at 22:57
up vote 5 down vote accepted

I think you're having the same issue I am. You get to the disk decrypt stage but you can't type in the password to decrypt the drive. It seems to be related to the fact that the nvidia drivers need access to something on the encrypted disk. I don't have a solution yet but I can tell you if you boot into rescue mode you can enter the password to decrypt the disk and then resume the boot and you'll be able to get into the system. As for what you can do to fix the issue without going through that process, I don't have that answer yet.

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Well, what's worked for me as a workaround is to change: GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash” in the /etc/default/grub to GRUB_CMDLINE_LINUX_DEFAULT=”” and then run sudo grub-update. It gives me the old style scrolling text login where I have an option to enter my filesystem decryption password. – ksclarke Aug 8 '16 at 23:04
    
Yes that is exactly what is happening. Booting in rescue mode is such an inconvenience. How come there is no fix for this? – bregoSon Aug 11 '16 at 3:08
2  
it is sudo update-grub – bregoSon Aug 11 '16 at 17:26
    
Thanks @bregoSon my brain reversed it. If you want to follow the ticket (or vote for it as affecting you too), bugs.launchpad.net/ubuntu/+source/plymouth/+bug/1386005 or bugs.launchpad.net/ubuntu/+source/linux/+bug/1359689 – ksclarke Aug 12 '16 at 14:18

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