Your GPU is causing these issues. No amount of reformatting is going to change this.
The GeForce GTX 760 was a performance-segment graphics card by NVIDIA, launched on June 25th, 2013
Once the updates stop due to the cards age it’s only a matter of time before the games stop working too. Graphics cards are pretty cheap right now for the lower end budget computers and is something you can look into doing until you get a new rig.