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kmelaza

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Aug 4, 2010
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For the past couple of days my CPU has been exhibiting some strange behavior. My CPU usage goes from a normal 1-10% to 100% and back and forth. This wont let me open any applications, and if it does they wont work properly, also any prior open applications wont function properly when this happens. I ran a hardware check on my whole pc, and it tells me the components are running fine, i also ran a virus check, my pc is clean, i don't know what else to do. This keeps happening every day at random, and shutting down and restarting my pc doesn't seem to work.

CPU: AMD Phenom II x4 820 2.8ghz

My Desktop is a HP Pavilion p6404y Desktop PC
 
Solution
Emperus
Check your connections. Make sure everything is connected properly and securely. Also check the heatsink on the CPU. Make sure it is sitting properly.
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Emperus

Emperus

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Aug 10, 2008
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Open task manager and see which process is causing such dynamic load outs. Track down the program related to that process and uninstall it. Also check your anti-virus software behavior. Some security programs can really turn out to be system hogs.
 
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kmelaza

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I did what you told me, and i monitord the proces while the CPU was running normally and while it went rampart. While running normally i saw that the System Idle Process was running with a CPU load of 80-90+, then when the CPU went rampart it started going back and forth, along with some other proces. The other proces that run crazy along with the 1 i mention vary every time the CPU starts acting crazy. I was a fraid that if i ended that proces my system could freze or something, but it would't let me end it. What now? I dont want to waste money on a new procesor if this can be fixed
 
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kmelaza

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I havent been going to wierd places for the past couple of days before and when this started and i havent downloaded anything also. I spended my time on you tube or playing games on steam. I did this, nothing. Could it be my motherboard?, but then again if it was the rest of my components should't be functioning properly.
 
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kmelaza

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This is frustrating the hell out of me, it's happening more constantly, i don't want to waste money on a new processor if it happens to be my motherboard causing this :/
 
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kmelaza

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I went to the store, bought some Artic Silver 5 Thermal Compound, Coffe Filters and some Rubbing Alchohol 87%. I removed the heatsink from the CPU clean both of them and applied a new coat of thermal compound, but to no avail as this keeps happening. :/
 
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kmelaza

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UPDATE:

It seems a day after i removed the thermal compound from the Heat sink and CPU, and applied a new coat, the CPU started working properly again. That might have done the trick, my PC went trough a regular day of usage which is about 8-12 hours and the CPU it dint go crazy. I only saw 2 instances of 1-5 secs in the whole day when it acted a little strange reloading a web page a couple of times by it self when i dint tell my browser to do it (This was 1 of the side effects of the CPU going crazy, constantly reloading the web pages i had open or not loading at all).

Seems all it needed was a fresh coat of thermal compound, since my pc was going for a year of usage since i bought it brand new, and i hadn't replaced the thermal compound.


New Question

How often should i change the thermal compound on my CPU/GPU?
 
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