How to recover DPI in Gnome and Ubuntu Gutsy

Everytime I boot up my laptop with Ubuntu Gutsy Gibbon, it just like a bet, fail safe or not? Since I am using fglrx and I also installed it through module-assistant, I have to manage it myself to rebuild after updating kernel. However, last week I saw something more terrible. In fact, it is the most terrible since I used Ubuntu for 2 years. I was unable to see any characters in Gnome terminal. I guessed the problem should be DPI so I tried to change setting. Unfortunately, all Gnome dialog seemed to be broken. They were so long about 10 times of my screen.

Anyway, Ubuntu Forums saved me again. There was a dedicated thread to track this problem interactively. And the magic command is below.

gconftool --type float --set /desktop/gnome/font_rendering/dpi 96

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