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Old 03-09-2010, 02:33 PM   #1
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Ubuntu fails to reboot after updates, gets stuck in grub

Just installed Ubuntu a month ago (installed within windows), and for the 2nd time it has gotten stuck in grub upon restart after doing an automatic update.
Last time, I reinstalled from the CD, but I can't do that every time.
Learning how to start up from grub would probably be worth learning so I don't have to use the CD. But fixing the problem is most important.
It makes me wonder if it was a mistake to install Ubuntu from within Windows (does this mean I have "wubu"?).
I did find a webpage on booting Ubuntu from grub, but I could not get the kernel to load, regardless of if I used the instructions for wubu or not.
Old 03-09-2010, 02:54 PM   #2
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It makes me wonder if it was a mistake to install Ubuntu from within Windows (does this mean I have "wubu"?).
I'd regard it as a "mistake". It just adds another layer of complexity. Which makes for a depressing "finding out how all this works" experience. It should be fun.

Use win to defrag the win drive. Backup your important personal files to an external disk as things can go wrong.

Install linux-whatever, and have it shrink the windows partition to make space for linux. Install linux to the spare space. Let it install grub on the MBR.

At next reboot, choose your OS of choice (linux!), and then let it apply the updates after it has found your network connection (so please do this with a wired connection, wireless you can always fix later, but you'll need the updates first as these will probably fix why your wireless (maybe) isn't working in the first place). Reboot after the upgrades (because you'll probably have had a kernel-upgrade) to linux.

Then customise things as you like them.

BTW I believe it is wubi, not "wubu".

Note: The 'buntus >= 9.10 use grub2 as the default bootloader, this is still in "Beta" and buggy, and may not yet work reliably with a "wubi install".


Last edited by tredegar; 03-09-2010 at 02:55 PM.
Old 03-09-2010, 07:13 PM   #3
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I worry that to reinstall Windows I would need the CD, but my Emachines computer came without a WinXP disk. Can I just copy the Windows files to and back from from my external disk, or must I have the windows CD to do that?

The other reason I'm resisting reinstalling Ubuntu is that it was a lot of trouble to get the Netgear USB wireless to work under Linux, but now it works great in Ubuntu even though it quit working in Windows. I'm unhappy with Netgear, given how under Windows XP that wireless is not working under the Netgear software but I couldn't get Windows to see it after uninstalling it.

I'm going through all of this trouble to run IDL which has to be licensed, and I don't want to mess with anything that will invalidate the license.
Old 03-09-2010, 09:25 PM   #4
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You shouldn't need to re-install XP, but it is a possibility.
What do you mean by "and for the 2nd time it has gotten stuck in grub upon restart" - exactly what do you see ?.
I also think wubi is a mistake - and I believe Ubuntu are dropping it in the next release; largely because of grub2 issues.
I would suggest you fix grub (reinstall again if necessary), and use the normal uninstall in Windows to get rid of wubi. That should put the Windows boot-loader back. Then do a normal Linux install as suggested above. If the installer can't shrink the partition, it'll just abort, leaving you no worse off.

Hopefully ...


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