The processor is loaded to the maximum when stretching windows. How to decide?

Question

laptops

Hello, I have a problem with my MSI CX61 O0D laptop. Bought an ssd. When installing the system, it was determined, etc. But then the most interesting began. I don’t remember if everything was fine when installing the first system, but then there were a lot of problems. 1 the processor started to load when the hdd was connected, it was decided by switching the switch on the sled to the middle position 2 when updating from 8.0-8.1, no drivers were installed on the chip of the network 3 and the main problem when stretching windows in the browser and programs begins a terrible zhor of the processor of that the program that I am stretching, I have never noticed this in even when you are stretching, the graphics do not have time to be drawn, it is not clear what the problem is, I put the system on both hdd and ssd, maybe it’s that I, on the first installation, when I wanted to format the old hard drive, accidentally changed it from gpt to mbr, or is there something else involved? when installing Windows, each railway formatted and converted everything to gpt through the console

Answer 1

Judging by the description, nothing is clear.
but, "when stretching windows in the browser and programs, a terrible zhor of the processor of the program that I am stretching begins
" Are the drivers for the video official or "which Windows itself installed"?