Hi, I'm Ben and new to this forum. I am just seeking some assistance or guidance with a problem I am having. So about a week ago my computers PSU had stopped working, the computer just wouldn't boot anymore. So I ordered a new PSU (Corsair CX750M)and a GPU as well (GeForce GTX 1080 Windforce OC 8GB) since my older one was going out of date (AMD Radeon R9 Series). The PSU had arrived before the GPU so I had installed it to see if everything functioned correctly, and it did, it booted up fine. An issue came to appear when I actually tried playing a game, I was getting a strange constant stutter and much lower FPS than what I would usually get previous to installing the new PSU. I thought that possibly it could be the GPU finally giving in, so I then installed the new 1080 but to my surprise I still get the same result and the same low frame rate. I am really not sure what is going on, I have checked the cabling for the PSU multiple times and everything seems to be in order, I have no settings on to restrict any components in the PC (well at least I haven't applied any). I have never had any issue before with my CPU bottle necking anything either so I am not sure why the problem would arise now. Would there be a possibility that when the PSU stopped working, it could have damaged another part within the PC? Or is the new PSU just faulty? Any suggestions and help would be greatly appreciated. I'll put my full system specs in below. Thanks!
Intel Core i5-4590 @ 3.30GHZ
OLDER GRAPHICS CARD: AMD Radeon R9 200 Series
NEW INSTALLED GRAPHICS: GeForce GTX 1080 Windforce OC 8GB
Corsair CX750M PSU
(Let me know if any other specs would help.)