As title says, but a bit of background.
Few days ago we had a power cut which fried the PSU. Bought another PSU the next day and it booted fine. Great, until it wasn't. PC kept freezing/ shutting down as windows booted. I managed to boot my Windows USB for a fresh install and that went well. Installed all drivers and windows updates except for GPU. Every time I try to install, it cuts out and dies. Device manager recognises it's a 2070. I've tested all other components including a CPU stress test and it doesn't fault (stays a cool 80c after 20 mins of stress) 5900x for reference. My GPU is the last bit of my rig I haven't upgraded so I won't be too sad if it's just GPU. Any thoughts would



