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Windows 7: CPU Question

09 May 2010   #1
Abhorcosm

 
 
CPU Question

Hello- I am running 8 gigs of ram with an intel pentium 4 3.8ghz. Win 7 Ultimate, 64 bit.

Frequently, my CPU is at or near 100%, but when I go to the task manager to check the processes CPU usage, it adds nowhere near 100%.

Is this normal? Where can I find where my CPU is actually going? Could be a noob question, idk, but it's always bothered me.

Thanks,


My System SpecsSystem Spec
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09 May 2010   #2
zigzag3143

Win 8 Release candidate 8400
 
 

Quote   Quote: Originally Posted by Abhorcosm View Post
Hello- I am running 8 gigs of ram with an intel pentium 4 3.8ghz. Win 7 Ultimate, 64 bit.

Frequently, my CPU is at or near 100%, but when I go to the task manager to check the processes CPU usage, it adds nowhere near 100%.

Is this normal? Where can I find where my CPU is actually going? Could be a noob question, idk, but it's always bothered me.

Thanks,
In task manager check the box that says show processes from all users (see snip)


ken
My System SpecsSystem Spec
10 May 2010   #3
Krispy1

Windows 7 Ultimate 64bit
 
 

u might have a virus doing some of its dirty work in the backround. its always good to first eliminate that as a issue. download avast and malware bytes and do scans see if they turn up anything
My System SpecsSystem Spec
.

10 May 2010   #4
Mellon Head

Win 7 Pro x64/Win 10 Pro x64 dual boot
 
 

It's a single core CPU. It isn't unheard of for one to reach 100% once in a while, depending on the application load. My old P4 at work did it all the time, and so did my single core media machine.

If it goes to 100% for long periods and you aren't running anything CPU intensive, or more than a couple of programs at once, it might suggest a background task is hogging CPU time. As mentioned, it's always a good idea to check for malware frequently, but it may just be normal operation, too.
My System SpecsSystem Spec
10 May 2010   #5
Abhorcosm

 
 

Quote   Quote: Originally Posted by Mellon Head View Post
It's a single core CPU. It isn't unheard of for one to reach 100% once in a while, depending on the application load. My old P4 at work did it all the time, and so did my single core media machine.

If it goes to 100% for long periods and you aren't running anything CPU intensive, or more than a couple of programs at once, it might suggest a background task is hogging CPU time. As mentioned, it's always a good idea to check for malware frequently, but it may just be normal operation, too.

The thing is though, in my task manager, they processes don't add up too 100%. Or even close.
I'll have like, a bunch of 2%'s and a bunch of 5%'s, but nothing more.

Quote   Quote: Originally Posted by Krispy1 View Post
u might have a virus doing some of its dirty work in the backround. its always good to first eliminate that as a issue. download avast and malware bytes and do scans see if they turn up anything
Nope, no viruses.

Quote   Quote: Originally Posted by zigzag3143 View Post

In task manager check the box that says show processes from all users (see snip)

ken
Nah, I'm the only user.
My System SpecsSystem Spec
10 May 2010   #6
Maximus7

Windows 7 Pro 64 bit
 
 

Quote   Quote: Originally Posted by zigzag3143 View Post

In task manager check the box that says show processes from all users (see snip)

ken

Nah, I'm the only user.
You still need to check that box whether the only user or not.
My System SpecsSystem Spec
10 May 2010   #7
Abhorcosm

 
 

Quote   Quote: Originally Posted by Maximus7 View Post
Quote   Quote: Originally Posted by zigzag3143 View Post

In task manager check the box that says show processes from all users (see snip)

ken

Nah, I'm the only user.
You still need to check that box whether the only user or not.

Oh, my bad :/

"System Idle Process" takes up 75% of the CPU?
My System SpecsSystem Spec
11 May 2010   #8
Mellon Head

Win 7 Pro x64/Win 10 Pro x64 dual boot
 
 

Yeah, it shows you all of the CPU, but you have to remember that the idle time is the CPU really doing nothing. Task manager just shows you how much time the CPU is doing zilch along with the stuff it's actually busy with.
My System SpecsSystem Spec
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