Ubuntu 8.10 Dual Boot Error 21

Asked by Chris Hirtes

My HP pavilion had an NTFS hard drive with recovery (E) and general use (C) partitions and a Windows XP OS

Before installing Ubuntu 8.10 I defragmented C and checked for errors. On inserting the factory pressed CD I clicked the install option and fleetingly noticed an intervening screen, which I later read as “unable to load the system description tables”. The installation continued satisfactorily and I choose dual booting, a 50/50 partitioning and Automatic loading.

As expected, on boot up Grub loading stage 1.5 started immediately but this was followed by the Error 21 message from which I can go no further. As I chose Automatic Loading I cannot use Windows nor Dos and BIOS does not offer a way through. Help!

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Tom
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Best Tom (tom6) said :
#1

Hi, probably not even as bad as it looks. Don't worry.
Can you bootup with the Cd in the tray and choose options to "Try Ubutnu without installing anything"? This should get you to a proper Ubuntu desktop and we call this a "Live Cd session"

From there we can do a lot but if it doesn't work then we'll try something else.
Good luck and regards from
Tom :)

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Bhavani Shankar (bhavi) said :
#2
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Chris Hirtes (hirtes) said :
#3
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Tom (tom6) said :
#4

Ooops, please try re-posting that comment. It didn't show up properly for some reason, apols for that!

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Tom (tom6) said :
#5

Back arrow and copy & paste might get your input back then just try pasting it into the Comments section below. Hopefully it'll work better this time

Good luck with that
Regards from
Tom :)

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Chris Hirtes (hirtes) said :
#6

Fault with my PC not Ubuntu

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Chris Hirtes (hirtes) said :
#7

Taking me a while to get used to this - relied to email rather webmail. Previous message below:

Thanks Tom and BhavaniI,

 thought of that just after I posted my query but I could not get Ubuntu running. Then took drastic action and did a full recovery which came up with a configuration error - code purple. Contacted HP who said I had a faulty mother board which they will replace free of charge - they are collecting it on Tuesday and it should be returned in 7-10 days. This is good of them as the PC is four years old.

However, as my only other home based device is my wife's net book I wont be able to try an installed version of Ubuntu for a little while.

The problem was not with Ubuntu but thanks again for your prompt assistance.

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Tom (tom6) said :
#8

Have you managed to retain data? If the Ubuntu LiveCd wouldn't work then a lighter distro such as Wolvix often does the trick
http://distrowatch.com/table.php?distribution=wolvix

Cub and Hunter are the best to try for this type of thing. I wasn't too bothered about whose fault i was more interested in data-recovery and then looking at fixing.

Thanks for the reply and letting us know
Hope all is well. Good luck and regards from
Tom :)

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Tom (tom6) said :
#9

Wow, thanks for that! It is well worth physically removing your hard-drive and keep it safe and free from static shocks.

Often part of the repair process is to wipe your drive! I managed to get a usb cable for about £15 that allows me to connect a laptop drive to a usb port and supplies power to the drive too! Also a new (a much more spacious) laptop drive only cost me £40. It might be possible to boot the netbook off the "external drive" that your old drive would effectively become but probably only into Ubuntu. If not then at least you'd still have access to your data while the machine is being repaired.

Good luck and regards from
Tom :)

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Tom (tom6) said :
#10

If you're interested in trying out a few different distros then running them as LiveCd's on the netbook might be interesting. My current favourite is WolvixHunter but there's also TinyCore, AntiX, sliTaz and many others that all operate in very similar ways. Getting used to one helps you in another.
http://distrowatch.com
Compares different ones quite nicely and Readers Comments can be amusing and even interesting to read.
http://distrowatch.com/weekly.php?issue=20090323&mode=67

Hope this helps :)

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Tom (tom6) said :
#11

Hi :)

Have you been able to test the new Ubuntu 10.04 before it gets officially released?
http://www.ubuntulinux.org/testing/lucid/beta1
Trying it as a LiveCd or as an extra dual/multi-boot would be ideal. Developers and everyone are keen to try to iron out any problems before 10.04 gets officially released so you might find faster & more effective answers to your bug reports which would make 10.04 work better on your system for you

Thanks and regards from
Tom :)

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Chris Hirtes (hirtes) said :
#12

Hello Tom.

Many thanks for your e-mail.

Due to a heavy workload I didn't manage to test 10.4 before launch but
have now installed it and it is working fine apart from:

a) When booting up I get the message "The panel encountered a problem
while loading 'OAFID: Deskbar Applet' ...". I haven't deleted the
applet and the desk bar appears the same other than one additional
search applet which I never used - is this what the message refers to?
On searching help I see this may have something to do with G

b) The X _ ... keys have been moved to the left of the programme header
files and, whilst I could be used to this, it may confuse my "windows"
orientated children when they visit. Can they be moved to the right?

Your further help would be much appreciated.

Regards,

Chris

On 10/04/10 16:07, Tom wrote:
> Your question #65542 on grub in ubuntu changed:
> https://answers.edge.launchpad.net/ubuntu/+source/grub/+question/65542
>
> Tom posted a new comment:
> Hi :)
>
> Have you been able to test the new Ubuntu 10.04 before it gets officially released?
> http://www.ubuntulinux.org/testing/lucid/beta1
> Trying it as a LiveCd or as an extra dual/multi-boot would be ideal. Developers and everyone are keen to try to iron out any problems before 10.04 gets officially released so you might find faster& more effective answers to your bug reports which would make 10.04 work better on your system for you
>
> Thanks and regards from
> Tom :)
>
>

Revision history for this message
Tom (tom6) said :
#13

Hi :)

b) Yes, to get the buttons back to the Windows side rather than the Mac side just use the mouse right-click menu to copy&pate this command onto a normal command-line

gconftool-2 --set "/apps/metacity/general/button_layout" --type string "menu:minimize,maximize,close"

a) Yes, again. Just click on "Ok" about that applet & then check to see if you are missing something you wanted. Usually it's because the applet was upgraded too and you need to find the new upgraded applet. Occasionally it might be because some other alternative applet was chosen in the current release of Ubuntu. Either way just use a package manager to find which-ever functionality you need back on the deskbar/taskbar/panel. So, its fairly easy to get it back, even if its changed name.

Don't worry about not trying the beta versions! If you don't have plenty of spare time to fix things then it is usually best to avoid this sort of thing! I use various tactics to make sure i can always access my stable install in case i have a tight deadline to meet. Generally that involves using a LiveCd of the new beta without installing it until i am happy with it, even then i install it as a dual/multi-boot alongside my existing install.

Good luck and regards from
Tom :