Sapphire 7800xt Black Screen Crashes

Hello!

Just got my 7800xt today I was so excited, installed it turn on classic wow couldn't old then tried retail couldn't load finally got classic to load tried to changed the settings from low to ultra and boom pc crash, then it happened agian without changing the settings this time. I then tried fumark stress test about 4 minutes in black screen and the card only got up to 59C.

Not sure what's going on

Here are my specs

I7 13000k Ddr5 32 gb of ram As rock b760 pro rs 850 watt Thermaltake gold PSU

I literally can't play games help.