The computer frequently shuts down and restarts.
The computer frequently shuts down and restarts.
Hey everyone, it's all good! My friend upgraded the GPU and reorganized the RAM setup, plus cleaned the fans. That's it—thanks for your help! I'm saving a lot of money on a new PC 
OP made a mistake with the term. DDR3 on Skylake was actually compatible (Skylake CPUs can run DDR4 and DDR3L), though it wasn't common on desktop boards.