The beeps you hear is a BIOS Beep Code.
The computer's way of telling you something is wrong, and an area to look into for the problem.
The BIOS Beep Code is sort of like Morse Code.
Instead of a series of dots, and dashes, it's a series of short beeps, and long beeps.
One short beep, two long beeps.
Then a period of silence, and the beep code starts all over.
There are different BIOS manufacturers that make the BIOS program.
(Basic Input/Output System)
Two of the main BIOS manufacturers are AMI, (American Megatrends Inc.), and Award/Phoenix.
(Award and Phoenix used to be two separate manufacturers, but have combined)
5 short beeps sound like one of AMI's BIOS Beep Codes.http://www.pchell.com/hardware/beepcodes.shtml#ami
Part of the information given states to remove the ram memory module/s, ('Sticks'), and reinstall them.
I would also like to add to clean the gold plated contact pins, on the bottom of the ram memory modules.
Computer off, unplugged from power, and computer case open, observe Anti-Static Precautions BEFORE reaching inside your computer, and handling the ram memory module/s.
Use a pencil eraser to clean the gold plated contact pins.
Example of a DDR Sdram ram memory module, and it's gold plated contact pins,http://en.wikipedia.org/wiki/File:Generic_DDR_Memory_%28Xytram%29.jpg
(You can click on the photo to enlarge. You can enlarge twice)
The top of the ram memory module is towards the DRAM chips. (Black rectangular objects)
The bottom of the ram memory module is where the contact pins are located.
Suggest use the eraser on the top of each contact pin, stroking down towards the bottom of the contact pin.
If you are using an eraser on the end of a pencil, refrain from letting the metal band touch the contact pin.
Now use air to remove the eraser dust.
You can use a can of compressed air for computers, if one is readily available, or air pressure from your mouth will be sufficient.
Reinstall the ram memory module/s.
Close the computer case, plug the computer back into power.
WAIT 1 minute, turn the computer on.