Strange sound when turning off my PC

[garirry]

Seti is 100% spot on, i'm so sure now after reading what you're running.

What do you mean?

 

[garirry]

put out your graphic card then clean it after that put in the cpu again. same procedure with the ram its helps.

Clean my graphic card? I brought it like a month ago, so it doesn't help if I will clean it. And how do you want I clean my CPU and RAM? Please write your question clearly.