When a try to turn on my macbook, a continuous alarm sounds and wont turn on. Just a white screen. Anyone know the problem

I tried yesterday to get on my computer but when it began to power up it stopped showing a white screen while emitting a loud beep every 2 to 3 seconds and wouldnt stop. Anyone know what the deal is?

If you experience one of these beeps, you should call your Apple-authorized service provider for additional troubleshooting assistance.
1 beep = No RAM installed/detected
2 beeps = Incompatible RAM type installed (for example, EDO)
3 beeps = No RAM banks passed memory testing
4 beeps = Bad checksum for the remainder of the boot ROM
5 beeps = Bad checksum for the ROM boot block

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