Ubuntu 12.10 and dual Boot with Windows 8 uefi on Sony VAIO SVS1512

view story

http://askubuntu.com – I've spent the whole day trying to get windows 8 to dual boot with ubuntu on my Sony Vaio SVS1512Z9EB. I tried boot-repair as mentioned in many other threads but it still only boots Windows 8. You can view my URL here Is there anything to do to get the dual boot? thanks (HowTos)