I just followed this guide (http://ubuntuforums.org/showthread.php?t=1930450) and installed the proprietary ATI drivers on my laptop which have ATI Hybrid Graphics (ATI Radeon HD 6770 M GPU). It worked and the GPU is working well. But it started to heatup. Any way to fix this?
I switched to the Intel GPU through the control panel and then, after entering the password in the login screen, nothing comes.. Only the wallpaper. But Unity 2D works. Before trying the guide, I used only the Intel GPU (never installed the ATI drivers) and with that setup, Unity 3D worked. (But had some tiny lags. But its ok). Why is it not working now? How to fix this? If I can fix the heating issue, I don't need to try the Intel GPU.
PS : Specially, the CPU temperature goes up while using the ATI GPU. When using only the Intel GPU, it didn't went up like this!