On Fri, Sep 08, 2017 at 03:03:24PM +0200, David Seaward wrote:
> Hi all,
> 
> I am trying to run Guix SD from a live USB on two machines. On machine
> A this works: I can select "linux-libre" from GRUB and the startup
> process runs, ending with a prompt on TTY 1 and documentation on TTY 2.
> 
> On machine B, the startup process runs but towards the end (ssh-
> keygen... ncsd...) the screen goes black and I can't switch between
> TTYs.
> 
> How can I diagnose the cause of this problem? Even enough to report an
> error message.
> 
> Regards,
> David
> 
> P.S. Cross-posted on Stack Exchange if you like that kind of thing:
> 
> https://unix.stackexchange.com/questions/391156
> 
> 

Without knowing anything about your machines, did you try the nomodeset
grub parameter? I find that normally helps with graphics issues.

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