horizontal line across screen at startup

Posted by Debbie Poole on Ask Ubuntu See other posts from Ask Ubuntu or by Debbie Poole
Published on 2012-12-10T11:13:13Z Indexed on 2012/12/10 11:23 UTC
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I recently ran an upgrade from 12.04 to 12.10 and was using Nvidia current tested drivers and all seemed ok at first. Then suddenly every time I started the computer and shutdown, the graphical plymouth logo changed to text.The only changes I made to try to correct this issue were;

sudo apt-get --purge remove nvidia-current nvidia-settings

sudo apt-get --purge autoremove

sudo apt-get clean

sudo apt-get update

sudo apt-get install nvidia-current

and this made no change at all to the display.

Then I read somewhere that Nouveau drivers may be the answer, so I installed them to use instead, and hey presto, the shutdown screen displays the Plymouth splash.

However with startup, I get a stable purple screen, for a while, and than a thick black horizontal line appears, really ugly-looking, and then the loging screen appears to be ok.

Can I correct the login screen same as the shutdown screen?

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