Unable to boot installer (i686)

[Kete Foy]

Hi,
I am trying to use my old 32-bit netbook, but here is what the installer says:

Booting `GNU Guix installation 1.4.0'

error: USB Mass Storage stalled.
error: you need to load the kernel first.

Press any key to continue...

Failed to boot both default and fallback entries.

Then, the grub screen reloads, and when I try to boot, I get an additional 
error message, "error: no such device: 1970-01-01-19-33-31-83."

I tried to set a prefix, but I couldn't get anywhere. Tabbing suggested 
something like achi0, but grub said there was no something there with something 
like msdos0. Sorry, it's late, and I've shut down the computer.

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