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please tell me where to put ubuntu-12.04.3-desktop-i386(i have downloaded it manually) i have mounted the ubuntu iso file on F:

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marked as duplicate by Warren Hill, Alaa Ali, Mateo, psusi, Eric Carvalho Sep 24 '13 at 14:21

This question was marked as an exact duplicate of an existing question.

You need to either burn the ISO to a DVD, or create a bootable USB. You can use ImgBurn for DVD, and UNetbootin for a bootable USB. – Mitch Sep 24 '13 at 10:40
any more suggestions – Venugopal Sep 24 '13 at 10:49
Did you try any of those suggestion? – Braiam Sep 24 '13 at 14:21

To install from a USB stick, just:

  1. Download Rufus
  2. Run Rufus and select your USB stick as the device
  3. Click Start
  4. Once Rufus is done, reboot to BIOS on the computer you wish to install on
  5. Change the boot order to USB first
  6. Plug in your USB if it is not still plugged in and cold reboot your computer
  7. The computer should boot straight to Ubuntu, from which you can install as if from a disk

I have tried this process and it worked for me. Also, be sure to make sure your checksums match for your iso.

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