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Issue:- Black Screen after boot-up

Ubuntu Version:- 12.04, 64 bit

Graphic Drivers Installation method:- Manually purged the old drivers and installed the new drivers provided by amd.

Tried methods:- added nomodeset option to /etc/default/grub and updated the grub using sudo update-grub and restarted the system.

Effects:- Got the "System running into low graphics mode" error with mouse not working.

Workaround:- re-edited the /etc/default/grub file to remove the nomodeset option and updated the grub again.

My graphic card info is as follows:- enter image description here

I want to get rid of the blank screen and i also don't want to loose my graphic card properties.


I just get the black screen and never see the prompt until I press the brightness keys. Sir, the driver that I installed has the following properties:-

*-rwx--x--x 1 root root 106660241 Jul 22 02:11 amd-driver-installer-12-6-x86.x86_64.run*

I haven't removed the xorg.conf file; here is the screen shot of the file:-

enter image description here

enter image description here

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Is your question the same as this one? askubuntu.com/questions/79983/… –  fossfreedom Aug 5 '12 at 12:23
    
yes sir, we can say that, but i am not sure about the reason. I have added the screen shot of the brightness values in my original question. –  Ankit Aug 5 '12 at 13:08
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