R9 fury x black screening and rebooting

[drpotatoesquire]

I recently bought an fury x off of Ebay and installed it in my Pc, ad said tested and works properly.

 

During general use it works perfectly fine but once I'm in a game or putting the card under load the screen will freeze and turn black for a few seconds. After a few times of this happening my computer will shut down and reboot into windows normally like nothing happened. 

 

Anyone know why this would happen?

 

It's not a overheating issue as afterburner registers it as 53°C

I have not overclocked or anything, all stock

Running AMD Adrenaline 18.7.1 drivers

 

Specs:

16gb ram

I7 4790

Asus h97

850W 80+ gold psu

[Origami Cactus]

What is your excact PSU model?

[drpotatoesquire]

4 minutes ago, Origami Cactus said:

What is your excact PSU model?

The box says, thermaltake toughpower Grand Fully modular