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Black screen with white stripes in Ubuntu 12.04 LTS clear install

You may find some problems with displaying terminal information in Ubuntu 12.04 LTS. It seems that Ubuntu 12 doesn’t like CRT monitors and “corrupts” the graphics in console (e.g. TTY1) as well as on startup/shutdown screens displaying all services startup/shutdown results. Now I know that it’s easy to repair this issue, but I’ve spent over one day on looking for some solution, so now I’ll tell you exactly what to do.
First of all open file /etc/default/grub/ with some text editor as root (I prefer nano, so it goes like this: sudo nano /etc/default/grub). Next locate line with #GRUB_GFXMODE=WxH where W and H will be some resolution setup. First of all uncomment this line and set some resolution which is supported by your CRT monitor, e.g. GRUB_GFXMODE=1024×768, then add one new line in this config file as follows:
Save the file and execute update-grub command (you need to be root!) and restart your system. Voila! Your console messages look normal again!