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Currently I am using Windows 8 in my dell N4050 machine. It has 4GB of RAM, 320GB HDD. Now I want to install ubuntu 13.04 alongside Windows. I tried several times after reading some blogs. But every time I failed.

I downloaded Ubuntu 32bit from the official site and made my pendrive into bootable device using Universal-USB-Installer-

I could not burn a DVD and boot from it because my DVD drive is not working somehow.

By the way, I did all the normal stuff what is needed for installing Ubuntu. In installation process Install ubuntu alongside windows 8 should have appeared but I just saw Replace Ubuntu with Windows 8 and Something else. Then I tried going with something else, I did not see such option where I can chose to use ubuntu alongside windows.

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marked as duplicate by Mitch, Jorge Castro, Kevin Bowen, MestreLion, Radu Rădeanu Jul 27 '13 at 5:30

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Windows 8 preinstalled? first mistake is ubuntu 32bit. for UEFI enabled systems , 64bit ISO must be used. See Installing on a Pre-Installed Windows 8 System (UEFI Supported) –  Web-E Jul 26 '13 at 11:33
Yes, I installed Windows 8 earlier. Then I tried Ubuntu 12.04 64bit. Can you lead me how to disable UEFI? –  Anwar Hussain Jul 26 '13 at 11:39
If you have installed windows 8 on your own, it doesn't called pre installed :). Only if the manufacturer has installed windows 8, then it is called preinstalled. UEFI can be disabled from UEFI/BIOS menu which generally triggered by F2 or Del in system startup. Check your laptop manual. Warning Disabling UEFI will cause windows 8 to stop working. You need to reinstall. –  Web-E Jul 26 '13 at 11:46
:o Alright. It seems I can not install Ubuntu on my machine and learn it. I am new in Linux OS. –  Anwar Hussain Jul 26 '13 at 11:50
Are you sure if I download Ubuntu 13.04 64bit and try again to install I won't face such an issue? –  Anwar Hussain Jul 26 '13 at 11:55