If you have an A205-S5825 then you probably have an Intel graphics card. It also means you possibly have had some problems on Jaunty Jackalope 9.04. Read the following story and digg it if you have a Intel graphics card.
Ubuntu users can install updated driver versions for graphics hardware by Intel, AMD/ATI and other vendors, from a special repository. This may allow the owners of integrated Intel graphics hardware to solve some of the problems encountered with these chips under the current version of Ubuntu.