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Occasional computer freezes - Which part is faulty ?

Hello.
Recently, my computer began to have some strange frame-drops while gaming.
Two days ago, it became worse, as it would just get stuck and nothing would respond. This happened several times, and required a hard reboot each time.
I have checked my CPU temps, which were around 60c at rest, and probably much higher on load (prime95 easily went to around 75, not even half-way the process, and i stopped it).
I have removed the stock heatsink, and replaced it with a new one. Rest temps are around 30c now, and load are around 50c, which is fine i guess...
BUT - my computer acts kinda strangely now. Whenever i boot it, the whole booting process takes like 40 times slower than it should be, and when i finally boots, my windows freezes for a long time, every couple of minutes.
I'm afraid of a possible permanent CPU damage... Any ideas?

Thanks,
David.

Specs:
OS - Win7 Ultimate
CPU - Intel i7-2600
MB - ASUS P8-H67-Mpro
GPU - ATI HD6870
PSU - AcBel iPower 85H 650W
Heatsink - Zalman CNPS7X
Memory - G-Skill 2x8 Ripjaws X

CPU Voltages:
First, I'm not overclocked.

1. BIOS voltages were: CPU - 1.2v, 3.3v - 3.36v, 5v - 5.08v, 12v - 12.192v

2. Rest stats in win7: CPU - 0.968v
Detailed - http://s12.postimg.org/o8vgj1619/rest.jpg

3. Load stats in win7: CPU - 1.224v
Detailed - http://s30.postimg.org/krtzlor0h/load.jpg
11 answers Last reply Best Answer
More about occasional computer freezes part faulty
  1. Best answer
    If the CPU runs at normal speed, then slow booting could be caused by a bad hard disk or SSD (you didn't list a storage device).
  2. GhislainG said:
    If the CPU runs at normal speed, then slow booting could be caused by a bad hard disk or SSD (you didn't list a storage device).


    Currently it usually boots fine, but still too many occasional freezes on windows (which was re-installed yesterday).
    Been told it may be a PSU problem as well, but have no idea how to rule that out...
    Oh, and no SSD here....
  3. Use a different PSU and you'll know if it's the issue or not. An occasional freeze can be caused by several different things like a hard disk that's going bad, a network issue, a bad PSU, etc. However a bad PSU usually causes other problems like spontaneous system reboots, system crashes, etc.

    Explain excatly what you mean by occasional freeze. What are you doing when it occurs? Is the disk activity light on solid for several seconds when it occurs? Anything else that's obvious? What about system utilization (CPU, mmeory, etc.)?
  4. GhislainG said:
    Use a different PSU and you'll know if it's the issue or not. An occasional freeze can be caused by several different things like a hard disk that's going bad, a network issue, a bad PSU, etc. However a bad PSU usually causes other problems like spontaneous system reboots, system crashes, etc.

    Explain excatly what you mean by occasional freeze. What are you doing when it occurs? Is the disk activity light on solid for several seconds when it occurs? Anything else that's obvious? What about system utilization (CPU, mmeory, etc.)?


    It usually just goes like rolling "Thinking-Wheel", but i can't do anything except move the mouse.. Every couple of minutes, for a moderate period of time.. I also got a BS once, which was INTERNAL_POWER_ERROR.
    As for the other questions, I'm sorry, kinda clueless...
  5. Keep Task Manager open in the background and then check it after a freeze to determine what was very busy. There's no disk activity when it occurs? I've had that issue before, but it always was caused by a lot of system activity and/or faulty hardware. The BSOD had a code which would be more useful than the description.
  6. GhislainG said:
    Keep Task Manager open in the background and then check it after a freeze to determine what was very busy. There's no disk activity when it occurs? I've had that issue before, but it always was caused by a lot of system activity and/or faulty hardware. The BSOD had a code which would be more useful than the description.


    Its like a freshly installed OS, so nothing is really running, and not busy for sure.
    Sorry, i have taken a quick pic of that BSOD, but sadly left the code out... :(
  7. How do you know it isn't busy if you don't check? The system probably is unresponsive because the CPU is very busy or it's waiting for a task to complete. You wrote that the system becomes unresponsive every couple minutes; therefore a task most likely runs in the background. A defective hard disk doesn't behave like that; the system is always slow. Is the CPU running at full speed?
  8. GhislainG said:
    How do you know it isn't busy if you don't check? The system probably is unresponsive because the CPU is very busy or it's waiting for a task to complete. You wrote that the system becomes unresponsive every couple minutes; therefore a task most likely runs in the background. A defective hard disk doesn't behave like that; the system is always slow. Is the CPU running at full speed?


    I'm sorry, if you don't mind having a look on both files i uploaded, monitors CPU stats on rest and prime95 load:
    http://s12.postimg.org/o8vgj1619/rest.jpg
    http://s30.postimg.org/krtzlor0h/load.jpg
    Seemingly, CPU load a rest is minimal, and clock is around 1600/3800...
    Measuring these parameters while having a freeze is kinda hard, because everything's stuck...
  9. That's why you need to leave task manager or resource monitor running in the background. THen you can go back and see if the CPU, the hard disk or possibly another component was very busy while the system was unresponsive.
  10. Well.. As it get's stuck as well most of the time, only thing i could mention is a very high "Highest active time".
    Other than that, nothing seems to be too bad there, or I may be missing something....
  11. Can you post the CPU graph after the issue occurs?
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