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CPU Usage at 100% most of the time...thus PC is slow...HELP!

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CPU Usage at 100% most of the time...thus PC is slow...HELP!

Old 09-05-06, 07:58 AM
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CPU Usage at 100% most of the time...thus PC is slow...HELP!

Ok, I started another thread, the title was misleading, so I deleted and started this one.

Anyways, I recently came back from vacation and I fired up my PC (I usually leave it on, but shut it down over the weekend) and when I came back, my PC was terribly slow.

I have Windows XP with 1 Gig RAM and 3.x GHZ processor. Not sure of all the specs off-hand.

Anyways, When I look at my Task Manager the CPU Usage seems to stay at around 80-100%, which makes everything rather slow.

I ran, SpyBot, Ewido and AdAware and it is still slow. A little better, but slow.

Would a loose connection on the motherboard or something like that cause the PC to go slow? A bad Power Supply? I'm lost at what to do next besides formatting...which is my LAST resort. But I just did that probably less than a year ago...so it's not loaded up with crap.

I also turned off my Start-Up processes, which were few anyways.

Any Suggestions? Help!
Old 09-05-06, 08:50 AM
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Is there a printer spooling? I can't remember what the process looks like (might be really obvious) but we had some computers at work that were constantly spooling printer jobs. Killing that task dropped the CPU usage back down.
Old 09-05-06, 09:13 AM
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Nope, no printer spooling....I'll doublecheck, but this happened right after I shut down the PC over the weekend. It took forever to boot back up.
Old 09-05-06, 09:38 AM
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In the taks manager look at the processes and find out which on is taking up your processing. If it is something you know then try to end the process, if it is an application then you can try to uninstall and reinstall.
Old 09-05-06, 09:44 AM
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Actually, in the TASK MANAGER, there it nothing taking up the CPU Usage except the System Idle Process (which is not supposed to take up the CPU Usage). I looked through the task manager and no weird processes are running either.
Old 09-05-06, 09:35 PM
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Any other suggestions? I uninstalled Norton and tried AVG, but still the same. It seemed better for a minute, but nope.

I'm really frustrated. I cannot do two tasks at once, and I can barely do one.
Old 09-05-06, 09:50 PM
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Originally Posted by DJ_Longfellow
Actually, in the TASK MANAGER, there it nothing taking up the CPU Usage except the System Idle Process (which is not supposed to take up the CPU Usage). I looked through the task manager and no weird processes are running either.

So your CPU is pegging at 80-100% but no processes are are using the CPU? I would try booting in safe mode and see if it happens there, maybe you have a rootkit?

This sounds like a odd problem.
Old 09-05-06, 10:04 PM
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What's a rootkit? I'll try safemode....funny thing is, I cannot see anything when I boot up...no CMOS or dos programs running. The first time I get an image is when the User select comes up.

Weird.
Old 09-05-06, 10:21 PM
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As far as I know, a rootkit's the same as a virus, but really hard to detect and get rid of. Try using this:

http://www.sophos.com/products/free-...i-rootkit.html
Old 09-05-06, 10:44 PM
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I would post over at www.windowsbbs.com and see if those guys can help. I had a problem with my computer a couple of years ago and posted over and got my problem cleared up.

In addition to Spybot, AdAware and NAV, I also run Spyware Blaster.
Old 09-05-06, 10:51 PM
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we had this on a 2k machine and we grabbed an update from for the OS I believe.
Old 09-05-06, 11:04 PM
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Originally Posted by strife
we had this on a 2k machine and we grabbed an update from for the OS I believe.
I had that too on a Win2K Advanced Server but it eventually went away after a service pack or some other update. It didn't affect performance much though.
Old 09-05-06, 11:09 PM
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Try loading this util and see what it says http://www.iarsn.com/taskinfo.html
Old 09-06-06, 08:20 AM
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Thanks for the tips....I will try those before I reformat/install.

Would a HARDWARE problem cause this? Just curious.
Old 09-06-06, 10:23 AM
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have you tried windows system restore or a repair re-install (you don't lose data that way)
Old 09-06-06, 12:02 PM
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I did not go to System Restore yet...I may try that, not sure though. The only thing that changed was me shutting down my PC for the weekend and turning it back on.

The Re-Install will be my next option. We'll see how that goes....I have a few other ideas. I read someone created a new PROFILE and it worked, so we'll see.
Old 09-07-06, 10:53 AM
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New User Profile did not work....guess I'll keep trying. I have to post a HiJackThis thing at the other forum I'm on....hopefully something gets resolved.

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