help with laptop expert line

I am suffering for what day,the laptop expert line eln05156 is 7ka half the installation hangs,changed the screw,did not help.Opera, too,put 8.1,the wood does not fall into the built-in map 10,generally half of the wood is not put,office site only firewood on 7ku,tried using compatibility-does not roll,tried through app driver pack,it hangs on the installation of embedded video,I read somewhere that it is necessary for the stage but to put the wood but I do not remember where read,can tell me?
and by the way Claudia is that in the BIOS all key plow,but when the situation 8.1 or 10 ,where the name polzovatelya need to write,don't work there half keys