I just Installed Ubuntu 13.04 x64 but when it starts mouse cursor move very slowly when i Try to operate it and also Not able to change resolution more than 1024x768. my machine is i7 3770K and Graphics is On Board Intel HD 4000. Seems it have not detected my graphic card. what would be the problem ? please help me I am trying to use Ubuntu from last 2 release but same problem occurred before too but though will be fixed in 13.04 but in 13.04 also the same thing is happening.
My Processor Model and Graphics Card on Windows Machine Device Manager.
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