I have recently installed ubuntu 13.04 in my laptop HP ProBook 4540s. After installing Ubnutu 13.04, I got problem while installing AMD Radeon graphics driver where my graphics is HD 7650M and intel HD graphics 4000. It says, it has very low graphcs and I can't do any thing after that. I have re-installed Ubuntu 13.04. Please help me to install graphics driver.
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