Ubuntu freezes abruptly. I have to switch over to one of the tty and then back to tty7 in order to unfreeze it. How can I solve the problem?
I use ubuntu 14.04 on Asus X552CL. (i3/4GB ram/1.8Ghz/1GB graphic card). I didn’t face this problem earlier. However, it started occurring frequently since this week. Major changes that I did this week are: Install proprietary Nvidia graphic card. And play around wih compiz and emerald in order to install new themes. I don’t know what’s … Read more