I have a HP PAVILION dv7-6c52er with AMD Radeon HD 7690M XT
Today Update ... Win8 is good but will have to put the second OSes win7. Driver from hp for 8 not out and PREVIOUS not work. From the site of AMD downloaded amddriverdownloader.exe to auto-detect drivers. He decided that I "unknow64bit" Os)
P.S. Russia is also waiting to solve this problem!
PSS and why I have not bought a macbook pro (