display Blackscreen 2 different tones of Beeps

[roodya]

i have a PC Intel Motherboard lga 1156 and a ASUS GT1030-2GB and 8gb ram

I was playing fortnite for like 5hours on my pc then my monitor do something like buzz (signal )and boom my pc turn off then i try to power it back it power up fan evrything running fine beep one time but cant see nothing on my monitor then after some second beep again{ beep another tone }when i open my case touch my gpu  its was verry verry warm so i lett it cool after 1 hour turn it on back nothing blackscreen  beep one time then beep again in another tone and touch my gpu it was very 

warm.

so it warm up in some minute 
.i dont know what i need to do .

cause my motherboard wont start up without my gpu 

can someone help me pleassee 
whats the problem gpu thermal paste  ?

[Tamesh16]

so the system is booting without the gpu ?