My sony vaio wont boot up and is making a buzzing sound

help112

Honorable
Aug 25, 2012
1
0
10,510
Hello,
im just wondering why is my netbook not booting up and is making a buzzing noise repeatedly. alll there is, is a black screen then after a while it shows a message saying 'Reboot and select proper Boot device or incert boot media in selected boot device and press a key'