Cannot Instal Ubuntu 12.04 on ASUS A43S

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http://askubuntu.com – I'm newbie here. I've searched many web for my problem. I've tried several times to install Ubuntu. I used Wubi, and the result is always black screen after go trough the Boot manager and choose ubuntu. I also tried using disc image so i can boot from disc. It's not start to install. just black screen and my DVD driver still working at the black screen. Any idea why? I'm sorry for my bad english. Thank you very much. (HowTos)