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Cpu At 100%

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3 replies to this topic

#1 CraigTee


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Posted 05 April 2007 - 12:46 PM

Hey there, I have a problem.

Really its my dad's pc, but im doing the asking.

Anyhow, his pc is running really slow. He had a few BSOD's because of a graphics tablet driver, which he uninstalled, the Blue screens went away, but the machine was still going in slow motion. Even when idle, the processor is at 14%, and it takes foreever to do things. He updated all his drivers, defragged the Hard Drive, ran antivirus, spybot, ad-aware, all finding nothing. So, as he, my brother and I all have identical componendts in our PC's, he swapped out memory from my bros' pc, Dad's still ran slow, brothers ran fine.

So that led us to the conclusion that its probably not a memory problem, but a processor fault. Or the graphics card is at fault. Or the motherboard is dodgy.

The next plan of action is to see if it still runs slow with a graphics card replaced. If it improves, it would mean its the graphics card thats at fault. If it doesn't, then its back to processor or motherboard fault.

Has anyone expierienced a problem like this or has any suggestions as to what to do other than the ones ive said?

Or even anything we havnt thought of?

Any help would be greatly appreciated.

The PC specs are:

AMD Athalon 1.8 GHz 64 bit Processor 3000+
Nvidia 6600 LE Graphics card
160 Gig Hard drive
ASUS A8n-SLI Deluxe motherboard
Runs Windows XP Home with service pack 2 installed


Edited by CraigTee, 05 April 2007 - 12:55 PM.

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#2 Sterling14


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Posted 05 April 2007 - 03:13 PM

I had a problem like this before, but it was due to a really bad Trojan that none of my antivruses/anti-spywares could get rid of. Have you tried using vundofix? Here is the link to the download: http://www.softpedia.com/progDownload/Vund...load-33165.html
"I think there is a world market for maybe five computers." - Thomas Watson, Chairman of IBM, 1943

#3 CraigTee

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Posted 06 April 2007 - 01:22 PM

Hey, cheers for the advice, but we tried it and didn't work.

However, we did discover that when running applications, as long as actions were contained within the application, it worked fine. Only when the system was accessed did it run slow, eg. saving etc.

So, we're going to repair windows with the OS disk, and see if that fixes the problem.

Thanks anyway,

#4 usasma


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Posted 07 April 2007 - 07:00 AM

Several other things to check:
1) Task Manager...Processes tab - go to the view menu, then Select Columns, then put a check in the IO Reads box. This will give a new column to see if there's any excessive activity reading from the hard drive. Also, let us know how many processes are running (viewable in the lower left of Task Manager when in the Processes tab)

2) Event Viewer (Start...Run...type in "eventvwr.msc" (without the quotes) and press Enter) Check, in particular, the System and Application logs for errors. Post back with them so we can suggest more to check.

3) Go to the website of the manufacturer of your hard drive and download a free diagnostic utility that you can run on the hard drive.

4) Download SiSoft Sandra lite (freeware - google it) and run it to see if any problems are indicated.

5) Check this link out: http://www.bleepingcomputer.com/forums/t/44690/slow-computer/
My browser caused a flood of traffic, sio my IP address was banned. Hope to fix it soon. Will get back to posting as soon as Im able.

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