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Just wiped out everything on my Macbook Pro Retina Early-2015 (Macbook12,1 or something) and installed Ubuntu. Had to use acpi=off and nodmraid just to get the USB stick to boot.

I wanted to have full-disk encryption, so I selected that. However, I boot up to my Ubuntu install and I cannot type my passphrase! It just prompts me to "Please unlock disk sda3_crypt". I can use the arrow keys in Grub prior to the decryption screen. What should I try? (I don't want to have an unencrypted install if at all possible)

I am using Ubuntu 15.10.

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  • Forgot to mention I'm using Ubuntu 15.10 Jan 19, 2016 at 9:15
  • Edit your question to add the infos about the ubuntu version you're using... Jan 19, 2016 at 12:06
  • Just tried an unencrypted install, cannot type in my password there either Jan 19, 2016 at 18:08
  • The next thing I'm looking into is changing the grub config of the install to include acpi=off and nodmraid, but I can only do that from the live usb and I'm having trouble running update-grub Jan 19, 2016 at 19:46
  • I am having same issues with Ubuntu 15 in a Windows Hyper-V. Feb 27, 2016 at 19:34

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I finally found an answer to this. The problem is the keyboard driver isn't loading or something, so, i found if i put the ubuntu iso in the dvd drive, then go into recovery mode from grub, then go to boot normally I can pass this issue and type in my password in the command line.

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