Windows 8 and 8.1 Forums

Overheating after windows reinstall

  1. #1

    Posts : 9
    8.1 PRO

    Overheating after windows reinstall

    Im using win8.1 for a year now, yesterday i reinstalled my windows (all legal), now here's the problem: before reinstalling, at idle my cpu had about 30-40C temperature, after reinstall it stays at 60-70C and doesnt fall down even if none programs are on. Where should I start looking first? Its not dust, because i dont think it dusted that much in about 1hour on a cooling fan. Acer aspire 5560g A6-3420m

      My System SpecsSystem Spec

  2. #2

    Posts : 9
    8.1 PRO

    I find out that cause for heating is cpu running 30-50 percent at idle. Most cpu time is used by System Interrupt. I googled few hours about it, ran LatencyMon, and it came up that storport.sys driver taking most of my cpu. Results in post below

    How can I fix this?
      My System SpecsSystem Spec

  3. #3

    Posts : 9
    8.1 PRO

    ____________________________________________________________________________________________________ _____
    ____________________________________________________________________________________________________ _____
    Interrupt service routines are routines installed by the OS and device drivers that execute in response to a hardware interrupt signal.

    Highest ISR routine execution time (s): 10073.377422
    Driver with highest ISR routine execution time: storport.sys - Microsoft Storage Port Driver, Microsoft Corporation

    Highest reported total ISR routine time (%): 11.124589
    Driver with highest ISR total time: storport.sys - Microsoft Storage Port Driver, Microsoft Corporation

    Total time spent in ISRs (%) 12.615490

    ISR count (execution time <250 s): 27879938
    ISR count (execution time 250-500 s): 0
    ISR count (execution time 500-999 s): 0
    ISR count (execution time 1000-1999 s): 0
    ISR count (execution time 2000-3999 s): 0
    ISR count (execution time >=4000 s): 0

    ____________________________________________________________________________________________________ _____
    ____________________________________________________________________________________________________ _____
    DPC routines are part of the interrupt servicing dispatch mechanism and disable the possibility for a process to utilize the CPU while it is interrupted until the DPC has finished execution.

    Highest DPC routine execution time (s): 180.746159
    Driver with highest DPC routine execution time: netbt.sys - MBT Transport driver, Microsoft Corporation

    Highest reported total DPC routine time (%): 8.163471
    Driver with highest DPC total execution time: storport.sys - Microsoft Storage Port Driver, Microsoft Corporation

    Total time spent in DPCs (%) 0.397601

    DPC count (execution time <250 s): 573066
    DPC count (execution time 250-500 s): 0
    DPC count (execution time 500-999 s): 0
    DPC count (execution time 1000-1999 s): 0
    DPC count (execution time 2000-3999 s): 0
    DPC count (execution time >=4000 s): 0
      My System SpecsSystem Spec

Overheating after windows reinstall
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