Beep sound

Can you tell me what motherboard brand or chipset you have ?

examples

Intel , nvidia , via

also I would need to know the exact numbers such as

intel440bx or lx , nvidia nForce2 , via VT82686A or B

Or you can simply tell me a brand name

eMachine , Compaq , Dell , Toshiba , or Gateway

and the specific model number.

Then I can help you.