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Start the Update Manager (System > Administration > Update Manager):



In the Update Manager, click on the Settings... button (in the lower left corner):



The Updates tab in the Software Sources window should open.
Select Normal releases in the Show new distribution releases: drop-down menu and click on Close:



Back in the Update Manager,
click on the Check button to check for new updates and distribution releases:



The Update Manager should show that a new distribution release (10.10) is available.
Click on the Upgrade button to start the distribution upgrade:



A window with the release notes for 10.10 comes up. Click on Upgrade again:



The upgrade tool is now being downloaded.
Afterwards, type in your password. The upgrade is being prepared:



Click on Start Upgrade to finally begin with the upgrade process:



The upgrade packages are now being downloaded...



... and installed. This can take some time, so please be patient.

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You might see the following message (Continue without installing GRUB?). I recommend to check the checkbox and click on Forward so that the system will continue to use the old, working GRUB. If you don't check the checkbox , the update manager will install a new GRUB and ask you on which device/partition it should be installed which can make the system unbootable if you select the wrong device/partition.



Because we had to change the Release upgrade settings in the Software Sources window,
you will see the following message. It is ok to select Keep:



At the end of the upgrade process, you should remove obsolete packages:





The system needs to be rebooted to complete the upgrade, therefore click on Restart Now:



After the reboot, you can use your new Ubuntu 10.10 desktop:



Source

Very nice and detailed tutorial here mate.
Great job, keep up the good work.

(10-12-2010, 11:01 PM)phire nuk3r Wrote: [ -> ]Very nice and detailed tutorial here mate.
Great job, keep up the good work.

Cheers, i copied it over form the source at the bottom of the op.
I just upgraded from 10.04 to 10.10 using this method, it has worked for me.

Worked like a charm, thanks!

thankz for this i needed this

Thanks a lot for the help on this

Good tutorial. Nicely guided through images.

Ubuntu 10.10 is God
The themes, wallpaper and speed...
the .deb installer integrated into the software center? GENIUS!

Ubuntu 10.10 is awesome , and your TUT is too .
Fully detailed step by step with pictures . Really good TUT .