Beeping on My Laptop inspiron 1564

Hi !

            Im Mark here in philippines, i have 2 units of dell inspiron but i forgot the exact model unit maybe 1564 or 1654. my problem is that both of unit are broken. im happy that i use my units  for about  5 years. both of unit are broken, the one unit was running but its not open the screen. and the other one is when i turn it on there`s something beeping 5-10 continuous beeping 2 times in everytime i open it. but the unit were not open. i love my laptop a lot. that why i want to ask a help what can i do to my units. i cant retrive my files on my unit..

please help me...