i dropped my Macbook Pro on the floor and now it will not stop alarming (3 short deep rings between a two second silence and starts alarming again). The screen remains black or off. It will not stop and do I get it to stop ring?
Try these steps to turn on your Mac and make it stop alarming If your Mac won't turn on - Apple Support
It appears that your MBP has a RAM problem:
https://support.apple.com/en-us/HT202768
Run an Apple Hardware Test:
https://support.apple.com/en-us/HT201257
Note that an error free AHT is not conclusive.
Ciao.
How to stop a MacBook Pro to stop alarming
