So i got myself an i5 3750 & Gigabyte B75M-D3H mobo with my old WD 500 GB & 4 GB RAM so when i try to boot up it says to select proper boot device i inserted the disk tried everything but it always gives the same result i'm going crazy i have got some entrance forms to fill & i cant do anything without my pc please help guys ASAP.
Thank You in Advance
Thank You in Advance