Question No boot, cpu fan at full speed, 5 short beeps for 5 times , red light

[haytam bker]

Please help me my pc (hp 800 g3) no display
The pc start beeping 5 times after 1s when i press the on button help please🙏🙏

 

[popatim]

your service manual:
http://h10032.www1.hp.com/ctg/Manual/c05381695

Beep code start on pg 102 and 5 beeps = system board.