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I'm new to Linux and faced a problem which is really serious for me.

I downloaded Ubuntu 12.04 ISO file and used Unetbootin to make a usb stick. I had installed Windows 8 that moment, unfortunately I couldn't install Ubuntu alongside Win8 so I erased my disk and installed Windows 7. Sadly I can't have "installing Ubuntu alongside with windows " option now too. I tried other version of Linux or even Ubuntu 13.04, but still the answer was NO.

I have: Asus K55v 6G RAm, 750G HDD, core i7.

My disk is MBR with:

1)100 Mb System reserve 

2)C:126G primary 

3)D:244G Logical 

4)E:284G Logical 

5)43G Unallocated

I can't install Ubuntu manually because it can't see my partitions or Unallocated space,it just sees my whole hard disk entirely, I tried it and it erased whole of my hard disk.

I don't want to use Wubi. BTW all that I was talking Here was about _64 bit OSes. Few month ago I had no problem of installing win7 and Ubuntu alongside!

I'm getting worry about maybe my laptop has physical or some kind of problem. enter image description here

share|improve this question
Can you boot from LiveCD, and add the output of sudo fdisk -l – Mitch Jun 10 '13 at 20:23
Upload an image, add the link, and I'll add it for you. – Mitch Jun 10 '13 at 20:45 – omid Jun 10 '13 at 20:51
Wow, I think I'm gonna love this askubuntu site. Thanks. – omid Jun 10 '13 at 21:04
Have you tried to "test Ubuntu" option via the live cd and then installing Ubuntu via the live cd? – Alvar Jun 11 '13 at 11:50

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