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Thread: Cannot run Ubuntu 12.04 64bit Live USB

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  1. #1
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    Exclamation Cannot run Ubuntu 12.04 64bit Live USB

    Yesterday I downloaded the official Ubuntu 12.04.2 LTS Version because i wanted to reinstall Ubuntu because of some new partitions and i made a bootable USB using "Unetbootin" "Startup Disc Creator" and from many other bootable USB creator softwares and none off them worked and some of them showed this error http://paste.ubuntu.com/5749088/

    Then i thought that there must be some problem in my iso so i redownloaded it and still it is giving me the same error.

    When i start the USB it asks for options like "Run Ubuntu without Installation" "Install Ubuntu" and some more options. But none of them can let me boot the USB.

    And when i use the Live USB made by Unetbootin then the error shows something like "Corrupt or Invalid Kernel Image".

    How is all that possible. I downladed both times from the official site and i used torrent which is very less likely to change the file and also i checked the MDA5 sum and it is exactly the same. Then what is the problem?

    Please guys help me i cannnot reinstall Ubuntu and i have to do some homework on "Javascript" . Please guys help me.

    Any help is highly appreciated.
    Thanks
    Last edited by SangeetKhatri; June 13th, 2013 at 09:55 PM. Reason: To mark the thread as [SOLVED] .

  2. #2
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    Re: Cannot run Ubuntu 12.04 64bit Live USB

    i recently installed three ubuntu flavors.
    i had problems with unetbootin; i solved it by making the usb's thus: stick the usb in. does it show up in your file manager? then open a terminal and type 'mount' without any arguments. here, it says:
    ...
    /dev/sdc1 on /media/me/12fe51dd-0a7b-43f4-878d-35241aff5db6 type ext4 (rw,nosuid,nodev,uhelper=udisks2)
    so /dev/sdc1 is my usb stick. make 100% sure! then type:
    Code:
    sudo dd if=/path/to/your/ubuntu.iso of=/dev/sdX
    where sdX is your usb. 'of=/dev/sdc' would be the right value, not sdc1.

    big fat warning:
    dd (nickname disk destroyer) is a very powerful and potentially dangerous tool! if of= (output file) is set to a wrong value, data loss may occur!
    maybe the sudo is not needed when copying to usb-stick.
    also you may need to unmount the stick before executing dd (umount /dev/sdc1).
    Last edited by ohnonot; June 10th, 2013 at 08:48 AM.
    please stick to the facts and be kind.
    what else can you do when you don't know each other.
    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . my avatar

  3. #3
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    Re: Cannot run Ubuntu 12.04 64bit Live USB

    Did everything you said and the Live USB was made in about 5 minutes but still it is not working and showing the same error:

    http://paste.ubuntu.com/5749088/

    It shows the Ubuntu Boot Screen for about half an hour and then gives this Error Message. I am pissed off as i cannot install Ubuntu.

    Is the fact that i am running the same version of Ubuntu which i am trying to reinstall making the USB not boot properly?

    Please help me
    Thanks
    Last edited by SangeetKhatri; June 10th, 2013 at 01:45 PM.

  4. #4
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    Re: Cannot run Ubuntu 12.04 64bit Live USB

    right. you could of course try to format the usb stick first and then try the dd thing again, but i'm 90% sure that you're problem is a different one.
    it shouldn't have anything to do with the installed version, but what exactly is this boot screen that you see? could you take a pic of it?

    also, the code you pastebinned, i can't interpret that so i humbly call this to the attention of someone more knowledgable.
    please stick to the facts and be kind.
    what else can you do when you don't know each other.
    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . my avatar

  5. #5
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    Re: Cannot run Ubuntu 12.04 64bit Live USB

    The installation screen is the default Ubuntu one with pinkish background and white Ubuntu logo with 4 dots below the logo. Exactly like the one in the pic at http://www.thefanclub.co.za/sites/de...?itok=9AT2L2e9

    Another thing is that when i press any button from "F1" to F12" I get an error message which says every 2-3 seconds the below lines

    Code:
    stdin:/ I/O Error
    
    
    /init: line 7: can't open /dev/sr0: No medium found
    
    
    /init: line 7: can't open /dev/sr0: No medium found
    
    
    stdin:/ I/O Error



    And the same message goes on to be displayed every time i press any button from "F1" to "F12"

    I am trying to run the "64 bit" Ubuntu on a laptop with 4GB Ram. I think it has nothing to do with RAM or is it?

    Anyways thanks for replying.


  6. #6
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    Re: Cannot run Ubuntu 12.04 64bit Live USB

    Quote Originally Posted by SangeetKhatri View Post
    Another thing is that when i press any button from "F1" to F12" I get an error message which says every 2-3 seconds the below lines
    Code:
    stdin:/ I/O Error
    
    
    /init: line 7: can't open /dev/sr0: No medium found
    
    
    /init: line 7: can't open /dev/sr0: No medium found
    
    
    stdin:/ I/O Error



    And the same message goes on to be displayed every time i press any button from "F1" to "F12"

    sudodus certainly has good advice on this, but this error message brings 2 things to mind:

    - iirc, /dev/srX is used for cd drives, not usb?
    so the question would be, did you install Lubuntu from the exact same media? the same usb stick? or from a cd?
    (afaiu you managed to install Lubuntu on the same machine?)
    - what does line 7 of /init read? (you might have to search for the init script on your installation medium, it's not necessarily in the root dir)

    ...could the usb stick itself be corrupt? or badly formatted, as both sudodus and me touched already earlier.
    that would mean, create a new partition table, then format it to fat32 (sometimes also called FAT win95 or some such nonsense) you can do it conveniently with gparted, but there's other tools.

    i don't feel too confident with driver related stuff - but i would like to add to my first post (post #2 of this thread):
    finding out which device name is your actual usb stick is very important.
    i usually go this way before putting an .iso on a usb stick with dd:
    fire up gparted, change the display to the usb stick (right-click the drop-down in the top right).
    that gives me the name of the device. at the same time i wipe it really clean with creating a partition table and formatting to fat32.
    then i close gparted and do the dd thing.
    so, if you want to make 100% sure, try this again.
    Last edited by ohnonot; June 12th, 2013 at 07:21 PM.
    please stick to the facts and be kind.
    what else can you do when you don't know each other.
    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . my avatar

  7. #7
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    Re: Cannot run Ubuntu 12.04 64bit Live USB

    I could not get much from the pastebin either, except that it cannot run blkid (that should list block ID of the partitions). So there is something very wrong.

    In order to give advice, we need to know more.

    - Is any installed system running (well, badly or not at all)? Ubuntu, some other system?

    - Can you boot another computer with the live USB drive?

    - Please specify your computer, at least cpu, ram and graphics chip/card, wifi chip/card

    - Have you checked the RAM with memtest from the second menu when you boot from from the USB drive (after the language selection)?

    My only guess right now is bad RAM.

  8. #8
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    Re: Cannot run Ubuntu 12.04 64bit Live USB

    - Ubuntu 12.04 was installed but i just removed it and installed Lubuntu 13.04 because it got corrupted because of my some mistrake. So now i have Lubuntu 13.04 installed temporarily for the time i cannot install Ubuntu 12.04

    - Nope, i cannot run Ubuntu 12.04 64 bit from my father's netbook too. It gives the same error and stuff (The netbook has 2GB ram which is not suitable for 64 bit though)

    - My laptop is Acer Aspire 5738, core2duo , 4GB DDR2 RAM, No Graphics Card, No idea about wifi chip, but searching the laptop specs would get you more specs.

    - I checked my RAM with memtest and it passed the test and it was said to be 100% fine by the memtest tool.

    Hope that helps.
    Thanks

    If you want to have more information, feel free to ask me. Currently i am running Lubuntu 13.04 just temporarily.
    Last edited by SangeetKhatri; June 10th, 2013 at 08:29 PM.

  9. #9
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    Re: Cannot run Ubuntu 12.04 64bit Live USB

    If you can run Lubuntu (from CD/USB/HDD, whatever works, please use the following commands to try to find out about the graphics chip

    Code:
     sudo lshw>lshw.txt
    and look at the file with a file editing

    Code:
     leafpad lshw.txt
    and

    Code:
     hardinfo

  10. #10
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    Re: Cannot run Ubuntu 12.04 64bit Live USB

    And i have natively installed Lubuntu and am not running it from live CD or Live USB. Though i installed it using Live USB

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