i have a problem with my computer, i just recently bought a cmos battery because recently my pc wont start up and beep, 3 beeps <pause> 2 beeps, what i do is remove the cmos for variable length of time then it would boot while showing low cmos battert cmos date/time not set. after buying a new battery i plugged it then its okay. after coming back home i boot it and there it goes again 3 beeps<pause>2 beeps. i tried the same procedure and it boots. what is the problem here?

Depends on your BIOS manufacturer. Your beep sequence could be AMI:
3x short = Base 64k memory failure. Check if your mem modules are sitting tight and contacts are clean.
2x short = Parity error / generic 'POST failed' message

Award:
Doesn't fit.