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I'm showing the problem in images. What I want to access in 12.04(.1) (I'm using USB flash disk as the media, CD/DVD is OK): the desired menu

How it should start: good start

How it starts now: wrong start

This something is shown in the bottom left side of the monitor.

There is no change if I press some keys, I can't access that menu. Just the ESC displays a dialog window, whithout any text, and two buttons. Non of them displays that menu.

If I press Shift, it asks two questions, but non of them shows that menu.

Used images: ubuntu-12.04.1-desktop-i386.iso and ubuntu-12.04.1-desktop-amd64.iso (torrent source) - used media: USB pendrive.

How can I access that menu?

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closed as too localized by Seth, Amith KK, Eliah Kagan, hhlp, desgua Feb 11 '13 at 0:29

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

    
Did you check the hash sums? –  green7 Sep 4 '12 at 11:28
    
no, I didn't, it was downloaded with torrent, it checks. Otherwise, it has started in several computers, where no text menu required, and I have installed from it too. Isn't it a bug?! –  B. Roland Sep 5 '12 at 9:31
    
It might be the case that your monitor is old and doesn't support colors while booting. –  green7 Sep 5 '12 at 11:42
2  
I think the torrent is more controlable, than a normal HTTP download; also there is garantee that the image is checked, I don't need to use the sums. (BTW, what was worked - it was downloaded by torrent too, so torrent is ok) –  B. Roland Sep 6 '12 at 8:49
2  
@NlightNFotis Canonical provides official Ubuntu torrents, also accessible from their website. It's an excellent way to get Ubuntu; bittorrent automatically detects and fixes corruption. (See the "alternative downloads" page.) That this was obtained as a torrent is almost certainly irrelevant to the problem; HTTP downloads are much more likely to be bad. BRloand: Nonetheless, please check the ISO's MD5SUM, just in case. Please also check the Ubuntu USB with this method. –  Eliah Kagan Feb 9 '13 at 23:02
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