CPU usage jumps to 100% after closing a game

Azizinum · Jul 10, 2014

Hello everyone , am facing some issue regarding my CPU ,whenever i close a game like starcraft 2/call of duty black ops 2 , the CPU usage gets like 100% , is this normal ?
actually what i do is wait like 4-6 sec to let the usage drop before i open like firefox ,else PC auto restart or shutdown , any tips would be appreciated , thanks (specs in my signature)

Gman450 · Jul 11, 2014

I used to hit nearly 60-70% CPU usage when I used to play GTA IV on my old C2D E7500 rig, and had to wait a few seconds just like you to make it go down. I thought it was a CPU problem and it kinda was. After trying it on the i3, such usage never occurred.

But I don't think CPU is your problem. Does any other game show this?

Azizinum · Jul 11, 2014

Gman450 :

well , i play cs:go / cod black ops 2 /stacraft 2 , and it happens on all those games when i close them , the cpu usage gets to 100% ,first i thought its a graphic issue since the games fps was "300" i reduced that to 150 , since i have a 144hz monitor and 300 fps is just pointless and consumption performance like hell , but even now when most fps options are half as "120 or 150" still whenever game closed cpu usage pops up to 100% , no heat issues neither on cpu or gpu , just weird .

Gman450 · Jul 11, 2014

Is it only when you close the game? What about minimizing or alt-tabbing out of the game, and then check CPU usage? Does it happen then too?

Azizinum · Jul 11, 2014

Gman450 :

everything runs pretty good while alt-tab or minimizing , its just this when game closed CPU usage jumps ,else everything is fine but i never seen this happen to any other PC i owned before neither the LAN cafe i used to go , i play games for a long time ,but this is one weird issue ,not that it bother me alot but i think it shouldn't be happening specially with my decent PC specs

Gman450 · Jul 11, 2014

Seems really odd. Like I said, in my case, it was a CPU problem for GTA IV.

But this seems to be happening for all your games. Which OS are you running? Did you recently do so updates?

Also, what about your video card drivers?

Azizinum · Jul 11, 2014

everything is up to date , i updated everything before i did install any game , i use windows 8.1.
and nope i don't use beta drivers as for GPU

Gman450 · Jul 11, 2014

Could be a glitch on the OS part, though I'm not sure. I seem to have had troubles with Windows 8.1 with my laptop.
But it got fixed after an update. Not the CPU usage issue, but other blank screen issues.

Azizinum · Jul 12, 2014

i guess ill just ignore it and live with it xD , and i do appreciate all the help you gave me , thanks Gman450

any further advice/solution is always appreciated <3

Gman450 · Jul 12, 2014

If future updates for the OS are released, then go ahead and update it. It could be a glitch.

Vynavill · Jul 13, 2014

For what it's worth, I'd point my finger to the OS at this point.

W8, both from what I hear from people or what I experience when I'm using it at work, seems to have a lot of background memory processing, especially in mobile and/or touch-based platforms. Could be it's just releasing any resource from memory and reverting whatever has been done on them.

Just a silly hypothesis really, but you never know, it might be true

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