Hello does anybody know if I can upgrade my current 12gb 1600mhz ram into 16gb 1866mhz or possibly 2133mhz ram? I've heard storys about people buying corsair vengence 1866mhz ram only to have it revert back down to 1600mhz or somewhere around the 170...

Hello I was wondering if anybody can help find out what's wrong with my optical drive. It wont read my discs, when I put one in it says no disc detected and it pops the drive open again because it thinks there isnt a disc installed. If anybody can he...