Problem occurs under Jaunty with GRUB 1 on a Tecra M7. All
characteristics confirmed. When restarting, GRUB appears. When cold-
booting from full shutdown, GRUB menu is not displayed, though O/S
selection can be performed successfully using the arrow keys even though
the POST splash screen is stuck on the screen. I am also able to make
the GRUB menu appear by cold-booting to the frozen POST screen, then
giving the machine a hard power-off from the switch and booting again.

There is one further detail I would like to add about this bug that may
help people more familiar with GRUB's coding. When the glitch occurs and
there is no boot menu, another thing always happens. When an O/S is
selected to boot (either manually or by timeout) there is a split second
where the screen fills with garbage characters (mine look a bit like a
Greek sigma with an acute accent) and there is visible an error message
in the upper-left corner. It doesn't give a code or stage number, but
just says something generic like "GRUB Loading... ERROR" I think. It's
only there for a split second. I think this is important though, because
it seems to imply something about the way the computer is executing GRUB
is causing an error in GRUB (as opposed to GRUB causing errors in the
BIOS).

In response to aharown07's comments, I am going to try enabling GRUB 1's
background image feature to see if this causes GRUB to appear on-screen.

-- 
grub menu does not display after cold boot on Toshiba laptops
https://bugs.launchpad.net/bugs/389930
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