i have just purchased acer travelmate 5730 laptop it came with windows vista pre installed so i had to install ubuntu. installation of ubuntu 9.04 went alright. every thing works fine except the touchpad and keyboard. they behave strangely, writing has become impossible as the cursor keeps moving to previous lines, it also switches workspaces and opens menus and i don't know whats wrong. they keyboard and touchpad work fine in vista and i can write perfectly on windows. is this a known issue can it be fixed?