Hello

Could anyone help me?
I did the stupidest thing a person could do with his computer cuz I erased the sound driver wich was SoundMAX and now my computer has NO SOUND. I tried all day long to fix it but couldnt and I dont know what to do because all the info I got was:
System:
Microsoft Windows XP
Home Edition
Version 2002
Service Pack 2
Computer:
Intell(R)
Celeron(R) CPU 2.53GHz
2.53 GHz, 512 MB of RAM
Please Help Me. Thanks