OK, finally to the bottom of this.
Setting GRUB_GFXMODE to 640x480 worked. I had previously tried with no
setting for this variable or with 1920*1080, the preferred 16x9 aspect
ratio of my monitor. Neither worked. No 16x9 aspect ratios are
supported by vbeinfo.
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What settings should I look for?
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https://bugs.launchpad.net/bugs/1245022
Title:
Grub screen cuts off to the left since upgrade from Ubuntu 10.04
To manage notifications about this
See the GRUB_GFXMODE setting in /etc/default/grub.
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https://bugs.launchpad.net/bugs/1245022
Title:
Grub screen cuts off to the left since upgrade from Ubuntu 10.04
To manage
actually, I could not. No setting made the problem go away. One
setting used less of the screen, but that didn't matter. I STILL saw
the same cutoff screen only further to the right with empty space to the
left.
What's so special about GRUB? Why can't it use the same monitor
settings that
The bios chooses the exact signal timings. Some monitors don't give
enough range on their adjustments to make the signal fit the screen, but
there's nothing grub can do about it, short of asking the bios for a
different video mode. You may want to configure grub to use another
mode and see if
Ok, then this is just a design defect with VGA signals. Either switch
to a DVI/HDMI connection, or you need to use the knobs on the monitor to
adjust the position.
** Changed in: grub2 (Ubuntu)
Status: Incomplete = Invalid
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Why then is there no problem with whatever is booted to out of GRUB?
Switching the DVI or HDMI is not an option. I don't think that either
the computer or monitor support those options.
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Grub is probably using a different video mode than the rest of the
system. Each different video mode requires vga monitors to be adjusted
for that mode. Play with the buttons on the monitor and you should be
able to fix it.
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Is your monitor connected with DVI or HDMI or an old SVGA cable?
** Changed in: grub2 (Ubuntu)
Status: New = Incomplete
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https://bugs.launchpad.net/bugs/1245022
Title:
Grub
It's an old-style VGA cable.
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https://bugs.launchpad.net/bugs/1245022
Title:
Grub screen cuts off to the left since upgrade from Ubuntu 10.04
To manage notifications about this bug go
or SVGA, I don' t really know the difference. But definitely not DVI or
HDMI
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Title:
Grub screen cuts off to the left since upgrade from Ubuntu
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