Has anyone successfully run 12.10 on an Acer aspire one D255 (I have upgraded to 2GB ram)? 12.10 kept crashing after 2 to 5 minutes on mine, so I reloaded 12.04 which works great.
If you managed to install 12.04, you may try to upgrade to 12.10 instead of installing from scratch.
Your machine is supported. See the Hardware support wiki.
Now 12.04 is a Long-Term Support (LTS) release and therefore by default it will offer you to upgrade only for the next LTS version. So do the following: