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My previous problem was describe here: Can't boot OS from USB drive, showing black screen with blinking cursor and there are informations about my laptop. Please look there and then read rest here.

I changed flash drive and it fixed the problem but now when I boot to Ubuntu (or I tried Fedora, it does same) I can't install system. When I click on Install Ubuntu 10.10, I choose language, then on next window I click Forward but it just show waiting cursor and nothing happens (same with Fedora). It doesn't freeze so I can end install and I can take screenshot (when I was taking the screen, cursor was shown as waiting, not normal as in picture, it's weird).

Image where my installation ends

I think there is some problem with "Disk and Volumes" and so. But I used chkdsk from Windows 7 on boot and it said everything is all right. I tried utility in Ubuntu to check filesystem and it is all right too.

Image with my Disk (Volumes and other things)

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There's a crash icon in the tray (the 1st one on the left) - what is it? –  Marek Grzenkowicz Mar 9 '11 at 8:27
    
It was problem with drivers to graphic card. –  Bibo Mar 9 '11 at 12:54
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1 Answer

up vote 0 down vote accepted

First thing to do is to verify md5 hash of the Ubuntu iso file you downloaded. md5sum on Linux, FCIV Availability and description of the File Checksum Integrity Verifier utility on Windows. The hash should be listed on UbuntuHashes.

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I check md5 has and it´s ok. It show same as on UbuntuHashes (1b9df87e588451d2ca4643a036020410 for ubuntu-10.10-desktop-amd64.iso). As I said, I used Fedora too and it looks like same problem. I think that .iso files are all right. –  Bibo Mar 9 '11 at 12:55
    
@Biblo Sorry my advice was of no use. But at least bad iso is ruled out :) –  Art Shayderov Mar 9 '11 at 15:57
    
no problem, I think that apps like unetbootin or universal usb installer checks iso for md5 hash but now we are sure that there is no problem with this. –  Bibo Mar 9 '11 at 20:07
    
@Biblo I don't think they check, because you can customize the iso before creating bootable usb. How could they know if you did it or not? Besides I personally tried install Ubuntu from usb stick with bad iso :) –  Art Shayderov Mar 10 '11 at 8:38
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