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I'm trying to install ubuntu (64bit amd) alongside windows 7, From Bootable sandisc usb flash , but when i am trying to choose 'try ubuntu' or 'install ubuntu' its stoped on black screen with hide and show horizontal cursor and do nothing. I tried 13.10 , 14.04 but the same problem. Please reply to me soon with the soluition. Thanks in advance.

Ps: My laptop ram was 3GB but i increased it to 4GB.

My laptop: Asus: model x61s , 4GB Ram , windows 7 64bit , processor intel(R).

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Have you tried booting using nomodest ? –  Antaraz May 25 '14 at 12:00
    
Yes its not work for me. –  user2036241 May 25 '14 at 12:01
    
apci=off, what about this ? –  Antaraz May 25 '14 at 12:03
    
I jsut tried it , the same problem. –  user2036241 May 25 '14 at 12:17
    
i tried the boot on another laptop it works fine. –  user2036241 May 25 '14 at 12:17

1 Answer 1

My machine is an Asus x60s and the following helped:

Open your BIOS settings Navigate to Security > I/O Interface security Change New interface card to LOCKED and save the settings. Voilá! You can boot without nolapic and you can see all your cores.

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