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I am using Ubuntu 11.10 Oneric Ocelot. In it WiFi gets idle after some time. To get connection back I have to disconnect and reconnect. So I chose to upgrade 12.04 LTS Precise Pangolin. But the issues I am not able to complete the download. WiFi become idle after it downloads 20 or something files (out of 2,000) and I have restart PC to get the connection. I am downloading the iso in Windows. Can I upgrade from ISO without loosing my settings ? If yes, please tell me how. Thanks in advance.

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Yes, for sure you can using the 12.10 LiveCD/LiveUSB.

As for upgrading to 12.04 LTS, why not just upgrade to 12.10 or even 13.04? I'm not sure as to whether-or not the 12.04 CD has the option like 12.10 onwards.

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Update manager has option only to update to 12.04 LTS. Also I do not want to loose my software and other setting as I got lot of help in doing that. – Dilip May 29 '13 at 16:14
Yeah. Download the 12.10 or 13.04 ISO from the Ubuntu website somehow and make it into a LiveCD/LiveUSB. That will allow you to upgrade directly from the Live Medium (CD or USB) to whatever version the Live Medium is (12.10, 13.04) – RPi Awesomeness May 29 '13 at 16:17
Thanks for helping. Are you sure direct upgrade to 12.04 LTS is not possible ? – Dilip May 29 '13 at 16:28
No, I'm not totally sure, as I do not have a 12.04 LTS CD, so you can look in to it. Might be, might not, though I do know for a fact that the Ubuntu 11.10 or 11.04 (not sure which as I haven't used it in a while (: ) doesn't have that option, if you're wondering. – RPi Awesomeness May 29 '13 at 20:03
Thanks a lot. :) – Dilip May 29 '13 at 23:31

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