Windows 10: Laptop hot when idle and plugged in

Discus and support Laptop hot when idle and plugged in in Windows 10 BSOD Crashes and Debugging to solve the problem; So I'm having this problem with my laptop Eluktronics Mech-15 G2R I use my laptop plugged in 99% of the time, so it's not a battery charging... Discussion in 'Windows 10 BSOD Crashes and Debugging' started by Hesparides, May 14, 2020.

  1. Laptop hot when idle and plugged in

    So I'm having this problem with my laptop Eluktronics Mech-15 G2R

    I use my laptop plugged in 99% of the time, so it's not a battery charging overheating thing.

    When I unplug the laptop, the temperature drops to 45C which keeps the fans inactive. However, when I plug it in the temp goes up to 60C ish and the fans kick in. I have some control of the fans so I can manage to keep them on the lowest speed.

    I have checked the power settings and this happens even when the maximum and minimum processor states are the same when plugged in and when on battery both at 70% and 0% respectively currently. Same with system cooling policy, all set to passive. All of the power options for the plan settings are the same when plugged in as when on battery. The plan is balanced and the slider is set to Better Battery.

    The CPU activity, frequency, core count and TDP seems the same as you can see in the graph left of the white bar is battery, right plugged in. Laptop hot when idle and plugged in e1f3a8cf-b588-4086-be9d-9ee96c990f01?upload=true.png

    CPU is undervolted 130mV.

    I just want to be able to use the machine plugged in without hearing the fan as when it happens on battery. How can I solve this?

    Hesparides, May 14, 2020
  2. Shrout1 Win User

    Thunderbolt 2.0 hot plug problems Windows 10


    For some reason hot plugging my Thunderbolt dock is not working correctly on my new laptop. I am trying to determine if I've overlooked a troubleshooting step.


    If the dock is unplugged after the system has already booted then my USB devices (mouse & keyboard) will not reconnect when the dock is reconnected. Thunderbolt monitor reconnects, but not USB. No power is provided to the keyboard or mouse - keyboard lights do not illuminate & optical sensor on the mouse stays dark. This is resolved with a reboot, but the problem persists.

    Hardware / Software:

    • Dell Precision M3800
    • BIOS A09 (previously upgraded to A10 before motherboard replacement)
    • Windows 10 (direct upgrade from Windows 7 64 Bit Professional )
    • Belkin Thunderbolt 2 Express Dock HD
    • Thunderbolt (TM) Controller - 157D
      • Device manager hardware ID "PCI\VEN_8086&DEV_157D&SUBSYS_11112222&REV_00"
      • This is an Intel hardware ID (fitting as Intel makes Thunderbolt)
    • GRUB bootloader
      • Kali Linux on second hard drive partition

    Attempted fixes: (None of these solved the problem)

    • All Intel Chipset drivers reinstalled from Dell's website via their tech support's recommendation
    • Driver update on Thunderbolt controller yields "Software for your device is up to date"
    • "Fresco logic USB3.0 host controller" reinstalled
    • Upgraded original OS from Windows 7 to Windows 10
    • Upgraded system BIOS from A09 to A10
    • Had Belkin directly replace the docking station with a new one
    • Had Dell directly replace the system motherboard
      • The new board has the A09 BIOS
    • Stopped and started Thunderbolt (TM) service
    • Booted into Safe mode
      • Thunderbolt works on boot but the thunderbolt service cannot run in safe mode
      • Hot plugging fails to work correctly in safe mode
    • All Thunderbolt devices involved have been authorized in the "Thunderbolt TM Software" and set to "Always Connect"

    Other Notes:

    • An identical Precision M3800 and Belkin dock were ordered at the same time as my own
      • This other laptop does not have the same problems mine does with hot plugging
      • This other "working" laptop has been used with both docks w/o problems hot plugging
      • The "non-working" laptop has the same problems hot plugging with both docks
      • The working laptop has Windows 10 loaded onto it - it was also upgraded from x64 7 Pro
      • The working laptop does not have GRUB or a second OS installed
    • Cannot locate drivers for the "Thunderbolt 157D controller" on Intel's website.
      • It is possible that this is a rebadged controller they are already manufacturing; complete dearth of information.

    Last Thoughts:

    • Is there anything obvious I am overlooking?
    • Is there some problem with hot plugging when GRUB is installed or a second OS is on a system?
    • Are there any pieces of system software that typically interfere with hot plugging thunderbolt devices?
    • With this description would a fresh OS reinstall likely fix the issue?

    Apologies for the length of this post; thus far commercial tech support has been limited and time consuming. I am hopeful that someone in the community may already be familiar with this issue.
    Shrout1, May 14, 2020
  3. When playing games the hot keys are active

    Hi Chris,

    Thank you for your interest in Windows 10.

    I suggest you to follow the steps below to disable Hot Keys and check if that helps.

    • Right click anywhere on your desktop screen and select Graphics Options.

    • Navigate to Hot Keys and then click on Disable.

    • Check if issue persists.
    Hope this information is helpful. Please do let us know if you need further assistance, we’ll be glad to assist you.
    Giridhar J, May 14, 2020
  4. magibeg Win User

    Laptop hot when idle and plugged in

    My Q6600 @ 3.2GHz (B3) idles too hot.

    Have to remember that B3 stepping runs extremely hot. My buddies B3 is at 2.7ghz has one of this big xigmatek coolers on it and has fans galore but he still gets temps in the high 30's low 40's at idle.
    magibeg, May 14, 2020

Laptop hot when idle and plugged in

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