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So I have been using linux mint for a while now. A few months ago my Gnome shell crashed and I was unable to use the full 3d features and loaded into fallback mode only. From that day (around 2 months ago) I still have only fallback mode (both Gnome and cinnamon). I installed Linux mint maya, and Ubuntu 12.04 both as windows file and complete installation in an external hard drive. and for many times I sitll cannot fix this problem. ps I made sure to download all the drivers for my graphics card. what could the problem be?

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What do you do from a freshly installed system to download the drivers? Like, exactly what commands? What video card do you have? –  Andrew Jan 18 '13 at 14:19
    
To find video card, run "sudo lshw >> ~/Desktop/lshw-report-for-Andrew.txt" in the terminal and put it into your question, or on pastebin and give me the link. –  Andrew Jan 18 '13 at 14:21
    
lshw lists the hardware on your computer, and sudo lets it see all hardware on yoru computer, even hardware disabled for your account (which could be a problem) –  Andrew Jan 18 '13 at 14:21
    
Try creating a new user to check if it is simply something wrong with you user's settings. –  terdon Jan 18 '13 at 16:34
    
pastebin.com/fjfsfVy4 –  Melkar Muallem Jan 19 '13 at 7:12
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1 Answer

You can run following code in terminal

sudo apt-get install linux-headers-generic
sudo reboot
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