For starters this is my current setup
Mobo: GA-P55A-UD3 (rev. 2.0)
CPU: i7 870 (2,93GHz)
PSU: Chieftec Nitro 85+(850W)
Ram:8Gb DDR3
And the current GPU:Radeon HD6900
Os:Win 7 pro 64bit
Now I wanted to replace the above mentioned Gpu with the 1050Ti. I did all the steps one should take before...