I have 2 operation systems and 2 HDDs
One with Windows 7
Second with XP
When I start my PC it makes a lot of noise (I guess it comes from a fan I ordered from china) and when it loades the black screen (when it says "boot from CD\DVD") it says "Missing operation system, and the BIOS that goes up to let my choose which operation system I want to use from the two, doesn't comes up.
When I restart, the noise is a lot less noisy and the PC works fine.
What is wrong?