YannUbuntu,  thanks for your reply.

Here's what's on the Acer Aspire 5253 notebook from 3.2.0-22 grub.cfg:

Ubuntu, with Linux 3.2.0-22-generic-pae
Ubuntu, with Linux 2.6.32-33-generic 
Ubuntu, with Linux 3.2.0-20-generic-pae

Now it's on my table side by side with a Thinkpad T40 which is also a
multi-boot various levels of ubuntu having problems with install.

Maybe I do get mixed up remembering what's on which partition.

Thinking about it, the problem could really be that Grub2 sometimes
isn't using the correct screen support so the screen is illegible:

VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Wrestler 
[Radeon HD 6310] 
15.6" HD LED LCD 

so I wind up with something unreadable when Grub2 boots.  So boot repair
might be restoring the grub configuration which gives me the same
unreadable display.  Super-Grub2-USB didn't do that, it just looked for
operating systems and allowed me to boot whichever regardless of what
the hd installed grub2 would do.

Is there something I could do when powering up to go into a "safe mode"
before Grub2 uses whatever display support it's doing??

I could try plugging in an external monitor when this happens - what
info would be useful if the Grub2 isn't driving the notebook's display
properly?

This problem has been going on from time to time, not always, with
Pangolin on this pc.  I got so frustrated that it might be garbaging the
multiboot with Windoze 7 that I removed that hard drive and replaced it
with a spare hard drive.  Then when my wife needs the Windoze 7 for
something she's doing on web support (proprietary software not available
on linux) I plug the original hard drive back in.

Thanks, Jerry

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https://bugs.launchpad.net/bugs/974779

Title:
  12.04 beta 2 update to 3.2.0-22 destroyed grub configuration

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