fan speed

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  1. hashir
    Posts : 85
    window 7 64 bits
       New #1

    fan speed


    system -dell inspiron 15r 5520 ->fan stop a few times when using windows and then start again with slow speed how to increase it speed + does the fan stop few periods?
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  3. Layback Bear
    Posts : 25,847
    Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64
       New #2

    Fans in a computer should not stop when the system is running.

    Which fan stops running in your computer?
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  4. mike009
    Posts : 73
    w7 ultimate 64-bit sp1
       New #3

    Hi Hashir, in Dell laptop you have mentioned fan will work if CPU has reached certain temperature. Most common question is why it is on high setting when laptop is idle. Please could explain your problem or what you are truing to achieve?

    If laptop is not in heavy use the CPU will be at about 50C, if you start watching film or play a game the CPU will start to work and produce more heat the fan will turn on. When the temperature drops bellow 50C it will stop working.
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  6. Layback Bear
    Posts : 25,847
    Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64
       New #4

    hashir system specs.


    Computer type PC/Desktop
    System Manufacturer/Model Number dell
    OS window 7 64 bits
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  7. Brink
    Posts : 72,051
    64-bit Windows 11 Pro for Workstations
       New #5

    Hello Hashir,

    In addition, check your advanced power plan settings to make sure that you have System cooling policy set to Active for both "On battery" and "Plugged in" like below to see if that may help some.

    Power Plan Settings - Change

    fan speed-system_cooling_policy.png
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  8. Layback Bear
    Posts : 25,847
    Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64
       New #6

    Sorry I made a mistake. I thought we were working with a Desktop.
    Do Laptop fans ever turn off when the laptop is in use.

    That seem crazy to me because laptops don't cool all that well when the fans do run.

    I bet you all can tell I'm not a laptop user.
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  10. Brink
    Posts : 72,051
    64-bit Windows 11 Pro for Workstations
       New #7

    On my laptop they turn off and on all the time as needed. As the CPU and GPU gets hotter, the fans will run more often or faster.
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  11. Layback Bear
    Posts : 25,847
    Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64
       New #8

    Well I learned something today. I like that.
    Thanks Shawn.

    I under stand PWM fans with very in speed with temps I just didn't know off was a option when the laptop is on.
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  12. Brink
    Posts : 72,051
    64-bit Windows 11 Pro for Workstations
       New #9

    Well, when the laptop had been running for a while, the fan pretty much stays on low all the time with an occasional boost of speed as needed.
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  13. RolandJS
    Posts : 2,774
    Windows 7 Professional 64-bit
       New #10

    During image backups, I have a fan aimed at the desktop :)
    And, my laptops each have an external USB-powered notebook cooling assembly [with a giant fan].
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