power failure - no keyboard in grub menu

[Omer Zak]

Missing information/Things to try:
- How is the keyboard connected to the PC - USB, legacy, builtin(as in a
laptop)?
- If it is a laptop, did you try to connect another keyboard via USB?
- What happens when you try to boot from a LiveCD or DiskOnKey?
(Note to myself: is it possible to boot a Secure Boot protected PC from
such sources, as necessary to diagnose boot problems?)
- Anything "funny" in the BIOS settings?
- Can you login, after booting, via ssh?  If yes, can you re-install the
boot sector by re-running grub-install?  Maybe re-install the entire
grub package in case its files got corrupted?

--- Omer


On Wed, 2013-04-24 at 10:03 +0300, Gabor Szabo wrote:
> hi
> 
> after a power failure when I try to boot my Ubuntu 12.04 machine it
> displays the Grub menu but it
> does not react to any keyboard combination I tried.
> 
> 
> If I press Del earlier, it does get in the BIOS and there I can use
> the keyboard, so it does not seem to be a hardware issue, but in the
> GRUB menu no reaction.
> So this things seems to be stuck.
> 
> Any idea what could I do?

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