Windows 8 and 8.1 Forums


Windows 8 sytem freeze after left idle

  1. #1


    Posts : 13
    Windows 8 64-bit

    Windows 8 sytem freeze after left idle


    Hi, I'm having a freezing issue on a recently built PC. It seems to occur when left idle for awhile. I've noticed it seems to happen when left on for about a day. I get no warnings, my mouse, keyboard and intuos tablet stop working and my computer just freezes. I have to hardboot to get it back up. I originally thought it was Google Chrome causing this, but it still happens after I uninstalled it. I have updated to the latest BIOS version, this issue was happening even before this update, and re-installed video drivers.

    I can't narrow this down myself at this point. Attached are my logs. Hopefully someone could shed some light on what could be causing this behavior.

    Also I don't put my computer to sleep or hibernate, I have these options disabled. And have never had my PC freeze during gaming.

      My System SpecsSystem Spec

  2. #2


    Posts : 2,191
    Windows 8.1


    I will not be the one doing a formal analysis on your logs but the fact that you never mentioned a BSOD specifically grabbed my attention. Moreover, you stated that this normally happens after the PC has been turned on for a long period of time. So, I peeked at your Event Viewer Logs and I see many ACPI thermal warning logs which probably indicates your issue is heat-related.

    With that said, I would recommend a good general cleaning and also monitor your system temperatures via any means available (eg, motherboard temp monitors, GPU-Z, etc). Also, if you have anything overclocked, I would recommend returning to normal operation to see if that might also resolve your issue. Good luck.

    Update:
    I just saw the "recently built PC" so maybe its an air flow design issue as well. Sorry I missed that!

    Another update:
    Also I don't put my computer to sleep
    Allowing it to sleep may help or cure this issue.
      My System SpecsSystem Spec

  3. #3


    Posts : 13
    Windows 8 64-bit


    Hmm, yeah I did have a peak inside to double check nothing was out of place. All cables are secure and I have no visible dust. The computer sits above the carpet on a metal stand connected to my desk.

    Running Speedfan on my PC I get fairly low temps:
    GPU: 34c
    HD1: 39c (HDD)
    HD0: 31c (SSD)
    Temp1: 28c
    Temp2: 30c

    CPU temps are hang between 15c - 18c

    Could there possibly be a setting somewhere saying when the PC is left idle for awhile it drops volts or something to that effect causing a heat issue/power issue? A BIOS setting perhaps? Nothing I see in Windows would cause that behavior as far as I can see.

    EDIT: Saw the sleep comment, I don't put my work computer to sleep and it works perfectly after days left alone. I guess each one is different.
      My System SpecsSystem Spec

  4. #4


    Posts : 13
    Windows 8 64-bit


    Also to note, I'm only overclocking my memory. Using an XMP profile to do so. I checked the profile settings against Corsair's recommendations. I'm using 4x8 Corsair Vengeance low profile memory.

    I did run memtest overnight on them once before with no errors. Going to give it a go again tonight just to double check them for errors.
      My System SpecsSystem Spec

  5. #5


    Posts : 2,191
    Windows 8.1


    Hi again fullofclovers,

    Your temps look good but your CPU temp is really hard to believe. In fact, I have never run across a CPU temp that low. Now, all of your reported temps are in sharp contrast to the reported ACPI thermal issues, and since your computer is freezing after long periods of idle time, I have to stick with my original analysis.

    However, I think your comparison of leaving your work PC on with no issues is not an apples-to-apples comparison because you have a fairly high-powered rig and I doubt that your work computer is even in the same ballpark as that one.

    In summary, I know of no BIOS setting or Win 8 option to stop your computer from freezing; however, I can only recommend you try to let it sleep when not in use. BTW, those settings are adjustable so you could set them so it would only sleep after very long intervals of inactivity. I don't see how it would hurt to try it.
    Good luck.

    Attachment 27970
      My System SpecsSystem Spec

  6. #6


    Posts : 13
    Windows 8 64-bit


    I'll give setting it to sleep a try.

    Actually my work computer is pretty close to my system specs. I work as an environment artist at a game studio. We run some pretty graphically intense programs/game engine. I usually leave my work computer on so I don't have to sync files or close editors.

    Here's a shot of my comp on light use.
    Attachment 27971

    Even when gaming things run smooth and temps don't go up to the point of concern.

    Also, I'm using this CPU heatsink: XIGMATEK Dark Knight II SD1283 Night Hawk Edition
      My System SpecsSystem Spec

  7. #7


    Posts : 2,191
    Windows 8.1


    I see it but I'm still having trouble with the ACPI thermal event issues being reported. Now, maybe I'm all wrong but I still have to go with my sleep recommendation. Its something easy to implement and see what happens. Speaking of sleep.... Good night.
      My System SpecsSystem Spec

  8. #8


    Posts : 13
    Windows 8 64-bit


    So I ran memtest last night and got 1 error within the first 20 mins. So I set my memory back to stock speeds and have been testing them for the past 14 hours with no errors.

    I'm not sure now if this is a memory issue,PSU, or my motherboard.

    I am using these memory sticks Corsair Vengeance Model: CML16GX3M2A1600C10

    They advertise to run at 1600. And I'm using my BIOS setting memory profile to run them at the recommend speeds.

    I'm now figuring this could be the root of my freezing issue? Would that totally explain the heat warning you are seeing in my event logs? I've opened my case up and don't feel any unusual heat coming from any one device. I'm not physically touching any components, just hovering my hand around to see if I can locate any potential overheating.
      My System SpecsSystem Spec

  9. #9


    Posts : 13
    Windows 8 64-bit


    So I believe I fixed my freezing issue. I was unaware its not recommend to run XMP profiles for 2 kits even though they are the same speed/maker.

    I'm trying to figure out these ACPI events you discovered. I believe my system to be cooled correctly. But am seeing a bunch of different events/errors in Event Viewer.

    Whats odd is I'm getting these when I start my computer:
    ACPI thermal zone \_TZ.TZ01 has been enumerated.

    They throw 2 events at the same time every time I start my computer.

    Also I'm seeing a bunch of these for each processor:

    Processor 4 in group 0 exposes the following power management capabilities:
    Idle state type: ACPI Idle (C) States (2 state(s))
    Performance state type: ACPI Performance (P) / Throttle (T) States
    Nominal Frequency (MHz): 3501
    Maximum performance percentage: 100
    Minimum performance percentage: 22
    Minimum throttle percentage: 22

    Anyone have a clue on this? I've been searching for hours and can't come up with a solution.
      My System SpecsSystem Spec

  10. #10


    Posts : 13
    Windows 8 64-bit


    I checked my work PC for these events and discovered it too was throwing these events. So what gives? Guessing it's normal and there isn't any overheating happening?
      My System SpecsSystem Spec

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Windows 8 sytem freeze after left idle
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