Question Computer Stuttering randomly

Feb 23, 2019
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A few days ago my computer randomly started stuttering, video only. Audio is fine when it does it regardless of what i am doing, Gaming/Youtube, screen visibly stutters but audio is unaffected. I tried restarting initially but it did not help.

Did some googling and most people seemed to point at the CPU. Using Open Hardware Monitor to monitor CPU, just sitting with a couple of google chrome windows open and loaded my CPU (i7-6700k) idles at around 4108-4208MHz, occasionally dropping to ~900 for split seconds on random cores. Not sure if this is indicative of a problem or not, doesn't seem to occur with the stuttering. CPU load will idle at ~2-8%, but when it does stutter if i can catch the Hardware monitor fast enough i can see it in the 60%+ range, with a recorded max of 100% which i figure is a problem.

Ran a test on userbenchmark.com, these are the results https://www.userbenchmark.com/UserRun/14960644#PROCESSOR

Nothing is overheating at anytime, and this only just started in the last few days after approximately two years of flawless running since i built it. I do leave the computer running a lot and i know i shouldn't but my internet connection is atrocious and routine updates for the games i play regularly run me several hours minimum, with game downloads taking days so i need to leave it up for updates/downloads while i sleep or work. Was looking for input on whether or not this looks like i need to put a new CPU in or it may be something else, hopefully simple. I built this computer but i don't work on them enough to be very skilled with the internals.

Screen of the Open Hardware Monitor CPU section. View: https://i.imgur.com/Rs1yqwj.png


Thanks in advance.
 
What PSU do you use? Exact specs, power and rating and brand name. Seems like all your stuff is underperforming and it stutters when you reach highs. Which might mean you don't get enough power or amps on your rails.

Seasonic X-series 750 watt Gold

The thing is quite old (~October 2011 old) but it sat unused in a box until i built this PC about 2-2 1/2 years ago. I ordered one for my old computer to run a bigger graphics card and Newegg shipped me two of them.

Any sort of tests i can run to check it?