Question why does my pc keep crashing and the gpu light turns off when the display goes blank

[flynnnnnn]

Hi my computer specs r the following
GEFORCE GTX 1660 super 6gb
ryzen 7 2700x
8x2 ram stick ballistix
asrock b450m motherboard

hi everyone i hope your all having a good day , i built my pc back in august and sarting about a month in from having mjy pc i have been having the reocurring issue where why screen goes blank and the what seems to be gpu fans becopme incredibly loud i then hear a windows error sound
im posting here because i truly dont know what else to do if anyone knows what to do or has the same issues please share it

 

[RARRAF]

sounds like a PSU issue what is the make and model ??

 

[flynnnnnn]

sounds like a PSU issue what is the make and model ??

the power supply is a corsair 550w

 

[RARRAF]

I would try contacting the place of purchase for a replacement under guarantee.