computer freezing since upgrade

Asked by sally-ann barbera on 2012-05-03

Since downloading the new Ubuntu 12.04 LTS my computer keeps freezing. I cannot 'unfreeze' any of it and havew to turn off and reboot. Any ideas as to why?

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Did you upgrade from Oneiric, or did you clean install?

Please press shift at boot and choose to boot by chhosing previous kernel, it works ?

I already had Ubuntu 11. something installed, I upgraded when I got the upgrade notification so all I did was click the upgrade button!
Not sure what you mean by that macroba. I am not very good at this, bit of a point and click girl only!

Barry Drake (b-drake) said : #4

You must have clicked the 'upgrade' button on the update manager? Your upgrade has failed and left you with this problem. Is there any way you can back up all of your data while you are in this state? If so, do it soon.

Now, what macobra means is to press the left shift key while the system is booting. If you ge this right, it will give you what ae know as the 'gub screen'. This might give you achoice of kernels. If it does, choose an earlier one ove the first offere. Does this work?

BenginM (sary) said : #5

Hi Y'll ,

this might by related to the graphic card driver .. if you can pass GRUB and it freezes there you might be able to fix the upgrading process from there .. so switch to a real console (tty1) by pressing CTRL+ALT+F1 , then login in with your username and password .

sudo apt-get clean
sudo apt-get autoclean
sudo apt-get --purge autoremove
sudo apt-get update
sudo dpkg --configure -a
sudo apt-get -f install
sudo apt-get --fix-missing install
sudo apt-get update && sudo apt-get dist-upgrade

now reboot by pressing Ctrl+Alt+Del , and see how it goes .

# on a side note .. you can pass to the desktop by setting a kernel boot option in GRUB .


Sorry for not replying, I have been o/s for a few weeks. Anyway, my laptop still has the same problem. I did click on the upgrade button when prompted and thats how I got the 12.04 version. I am still getting the freezing problem. At least 6 times in a 2 hour session, you simply turn the computer off and reboot but it's bloody annoying :( I had someone look at this whilst i was I the UK (a technition who uses Ubuntu himself) and he said it's merely a fault with 12.04 and that future upgrades may fix this.In the meantime, maybe I should re-install the 11. whatever-it-was version? This is really rubbish.
The other thing thathas happened is I know longer seem to get update reminders.

I suggest a clean install of Precise if you are going that way. Personally I always clean install, it avoids a lot of issues.

How do I go about doing this? Sorry, but I really need this in basic language, I have no idea what most of you are talking about. :(
I googled Precise Ubuntu and found some websites, how do I do a clean install?

Precise is Ubuntu 12.04. If you plan to clean install then use the latest version rather than something else. Often upgrading can cause issues.

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