there's 2 types of DVDs DVD+ and DVD-
some people and manufacturers seem to have forgotten about the fact
makes no difference on todays hardware. the only difference between the 2 formats is 1 is 4.3gb the other 4.7gb...
more likley its a bad dvd drive but even if he manages to install it, its unlikely to have enough grunt to run it in any meaning full way as its a web browsing laptop built for battery life not gaming performance.