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Ubuntu is my primary operating system, and I DO NOT HAVE WINDOWS INSTALLED ANYMORE. When i try to install ubuntu 12.4 or 11.10, somewheare at 90% of the installation completed it either crashes, either it switches to the terminal (fullscreen if you know what i mean), or it will freeze. This has been ongoing for a while. i've tried different disks to install ubuntu, the flash drive, and even the low quallity graphics installer. i've tried many of they'se things, but none worked. my computer is Asus p5ql pro, ati radeon HD 3850, and intel dual core 3gh. PLEASE HELP!!! i dont want windows anymore, i just need linux.

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closed as off topic by Jorge Castro, jrg May 1 '12 at 1:44

Questions on Ask Ubuntu are expected to relate to Ubuntu within the scope defined by the community. Consider editing the question or leaving comments for improvement if you believe the question can be reworded to fit within the scope. Read more about reopening questions here.If this question can be reworded to fit the rules in the help center, please edit the question.

    
This question should instead be filed as a bug report, thanks! Instructions here. –  Jorge Castro May 1 '12 at 0:10

4 Answers 4

up vote 0 down vote accepted

After boot from liveCD, In start menu[Try ubuntu/ install ubuntu/ etc] press F6 then select nomodeset. press ESC. Now select install ubuntu.

Also disconnect internet while installing. enter image description here

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when i press F6 nothing happens –  Nick Bailuc Apr 29 '12 at 16:54
    
do you mean in the low quality graphics installer? –  Nick Bailuc Apr 29 '12 at 16:57
    
see the screenshot. –  Web-E Apr 29 '12 at 16:59

Maybe first you have to hit ESC at the welcome screen(see picture attached), then select your language, then you get the "Try Ubuntu.." screen previously mentioned by Web-E..

enter image description here

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it still freezes –  Nick Bailuc Apr 30 '12 at 19:35

Ditto!same problem,Im using a older dell laptop, tried to load a fresh install of 12.4 ,about 90% of way through install everything just stops!Try this it worked for me 1. load from cd iso as usual ,when asked to try umbuntu or install ubuntu opt to try ,once loaded on the screen you will see a install 12,4 icon click it and away you go,worked like a charm for me. 2.enjoy!

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On an ASUS? Try this:

Go to BIOS > Security> I / O interface Security> "New interface card". Set it to Locked.

http://ubuntuforums.org/showthread.php?t=1662577&page=3

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