So im dual booting windows 7 and ubuntu 11.10 using wubi, and when i turn on my computer it takes me to the boot manager screen and i pick ubuntu. After that it takes me to purple screen and askes me which version i want to boot (normal or safe mode) i pick normal. After i pick normal i get another purple screen and then my screen turns off and i cant see anything. Is there a code or command i can out in to keep my screen on/
I encountered this bug several times with different Acer models (mostly Travelmate).
The information here has some good information how to fix this (if it is really this bug): https://launchpad.net/~kamalmostafa/+archive/linux-kamal-mjgbacklight
It deals with editing
For the installation I found the following workarounds (only one or a combination of both is perhaps needed):