The computer cannot boot into the GUI Mode after installing "ATI binary X.Org driver" from Ubuntu software center.
Now I boot into recovery mode -> root -> mount -o remount,rw /
.
What can I do to fix the problem? How to delete "ATI binary X.Org driver"?
Thank you for your attention
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Desktop Information
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OS : Ubuntu 14.04 LTS (64 bits)
Display Card : MSI R4770 Cyclone (ATI Radeon HD 4770)*
CPU : AMD Athlon II X4 620
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* "No additional drivers available" in "Additional Driver" page