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Thread: Random temperature jumping issue

  1. #1
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    • Jowsey's system
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    Random temperature jumping issue

    Right, by way of background, here is my current system.

    CPU: AMD A8-3870K with stock heat sink, not overclocked
    RAM: 12.0GB DDR3
    Motherboard: Gigabyte A55M-S2HP
    Graphics: NVIDIA GTX 760
    Operating System: Windows 7 Professional 64-bit SP1

    All in a Bitfenix Survivor with 2 x 120 intake, 1 x 120 exhaust and 1 x 200 exhaust.

    Now the issue, after my computer has been turned on for a while and done something relatively intense, gaming or some plex media encoding, my CPU temp will return to normal but will jump up 10C for no apparent reason.

    I noticed this after hearing my fan randomly ramp up. Upon closer inspection there is no change in CPU utilisation and it's nearly a perfect 10C every time. Then it starts happening in quick succession, so the temps will have only just returned to there normal idle spot when it happens again, and it seems to build so that eventually the fan has to really crank it. These temps are measured by HWMonitor.

    I'm in the process of putting together a new machine and this one will be relegated to some kind of server (and I will change heatsinks at that point) but it's still very annoy and very curios.

    I thought it may have been the thermal compound finally needs replacing but is that an excuse for the described issue? It seems like an intermittent problem, where as degrade thermal compound would give a fairly consistent issue.

    Any thoughts people?

  2. #2
    Senior Member Bonebreaker777's Avatar
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    Re: Random temperature jumping issue

    Could be a trapped air bubble which lay hidden till now as the surrounding compound was able to compensate for the poor thermal transmission - far fetched idea

    MoBo misbehaving or maybe needs a BIOS update - even less likely

    I would change the thermal compound and check the behaviour afterwards.

    Also, does it happen in the BIOS as well? Try to point toward possible driver/software issues

  3. #3
    Senior Member
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    • Jowsey's system
      • Motherboard:
      • Asrock H81M-ITX
      • CPU:
      • Intel Xeon E3-1230V3
      • Memory:
      • 8GB Corsair XMS3
      • Storage:
      • 256GB Crucial MX100 & 2TB Seagate Barracuda
      • Graphics card(s):
      • Asus GTX 770 DCUII 2GB
      • PSU:
      • EVGA SuperNova GS 550 watt
      • Case:
      • Phanteks Evolv ITX
      • Operating System:
      • Windows 7 64 bit
      • Internet:
      • Virgin Media 100Mb

    Re: Random temperature jumping issue

    Quote Originally Posted by Bonebreaker777 View Post
    Could be a trapped air bubble which lay hidden till now as the surrounding compound was able to compensate for the poor thermal transmission - far fetched idea

    MoBo misbehaving or maybe needs a BIOS update - even less likely

    I would change the thermal compound and check the behaviour afterwards.

    Also, does it happen in the BIOS as well? Try to point toward possible driver/software issues
    Like I said, I'll be moving to a new build soon and will be re purposing some of this. At that point I'm going to take that time to upgrade the cooler to a Hyper 212 or something of that ilk which will cover the thermal compound point.

    I did consider driver but I can't for the life of me remember updating anything specific. It's all very weird. I'm personally of the opinion that it's a CPU issue, but as my warranty ran out about a month and half ago I'm hoping it's not!

    I was just testing the waters to see if anyone had experienced this specifically, as I fear this may be the largest needle in a hay stack kind of search I'm about to undertake!!

  4. #4
    Senior Member Bonebreaker777's Avatar
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    • Bonebreaker777's system
      • Motherboard:
      • MSI H97I AC
      • CPU:
      • Xeon 1225 v3 + Freezer 11 L
      • Memory:
      • 2 x 4GB 1600Mhz 1T-8-8-8-20 1.35V Crucial BallistiX Tactical VLP
      • Storage:
      • 128GB CRUCIAL MX100///XPEnology server + 3 x WD Purple 3TB
      • Graphics card(s):
      • Intel HD 4600
      • PSU:
      • be quiet! L8 300W PSU BN220
      • Case:
      • Cooler Master Elite 120
      • Operating System:
      • Windows 10 Pro 64bit
      • Monitor(s):
      • Samsung SyncMaster 226BW
      • Internet:
      • Virgin 100Mb

    Re: Random temperature jumping issue

    Thermal compound exchange should a trivial thing to undertake. If you have the spare 5-10min.

    CPUs very rarely tend to go 'bang' but if course it could be always the situation.

    Sorry,my only advice is try&test.

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