When i try to turn on my laptop it makes a loud beeping sound and has a black screen

May there is a problem with your harddisk. check it with experienced techincians. else it is caused due to a corrupted operating system.reinstalling will make it fine.
goodluck

A+ certified tecnician:

the problem is the video chip, solution
open laptop ans with a blower apply heat to the video chipset on the board.
that will fix your problem to avoid further damage clen cpu fan it has dust build in inside . that is what coused the problem from the begining.

This is very common and famous problems with All HP DV Series Laptops that usually have NVidia Graphic Chip.
Best solution is to Replace that Graphic Chip With New One.
Hence again increase its life.
If you try to repair it then no guaranty.
also
try to avoid high graphic programs like games, videos, heavy graphical software.

You graphic chip nvidia faulty go to a laptop repair shop and replace it with genuine new don't try to just fix it same same problem comes after few days or months.

You should determine the exact component that is causing the issue of a black screen. For this, restart the computer first in Safe Mode. Before troubleshooting, first take a backup of all the system files. Then determine which component is causing the problem. Find the extent of the damage caused by this problem. Then measures should be adopted to solve the issue. If the issue cannot be solved by you alone, then HP customer care should be contacted.

Hi,

You should determine the exact component that is causing the issue of a black screen. For this, restart the computer first in Safe Mode. Before troubleshooting, first take a backup of all the system files. Then determine which component is causing the problem. Find the extent of the damage caused by this problem. Then measures should be adopted to solve the issue. If the issue cannot be solved by you alone, then HP customer care should be contacted.