i bought a laptop this July, and it was 10 days ago not rebooting, i do not know what is the reason, it just suddently shut down, and when i turned on again, it says "no operating syste found" in the screen. later I called sony custermer service at oct 17th, at that time they said they set a service for me and will send someone to my place to fix this problem with my laptop. i waited 4 bussiness days, nobody contects me, and i called back to sony, they said the technicion is still waiting for the part that they need to replace for... read full review »