Beeping codes mean your PC in fact is not even beginning to boot...it is failing to begin even POST operations. (Power On Self Test)
This is usually memory, processor, or video card problems. These 3 components must be matched to the board and installed correctly or you get nothing when you push the power button but whirring fans and drives, and the dreaded sound of beeping error codes.
What is the sequence of beeps? They are coded in sequences that will tell us what the problem is.
Only if you know the type (brand) of BIOS, although you may be able to work that out from the sequence.