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

Compiz uses insane amount of CPU

On my machine, Compiz uses ~25% of all 8 cores when I use the computer. When I don’t use it (so it’s idle), Compiz uses around 50%. How do I make compiz not use so much CPU? I’ve struggled with this problem for years and it’s annoying. My computer is a monster, but compiz is … Read more

How to bind a key to switching to next window in current monitor in compiz?

I’m using compiz 0.8.8 on ArchLinux. I have two monitors, and each time I use alt-tab to switch to next window, the windows from both monitors shows up. This makes it hard to find a specific window. Is there any way to bind a key to switching to next window in the current monitor? So … Read more