Power light blinking blue instead of solid orange when in sleep mode


  1. Posts : 1
    Windows 10 Pro 64 bit
       #1

    Power light blinking blue instead of solid orange when in sleep mode


    I have a 10 year old HP Pavilion desktop that was just refurbished. When I put the computer in sleep mode, the power button now blinks blue, instead of solid orange, which is the way it used to be. I would like to change it back to solid orange when in sleep mode. Is there any way to correct this? Please help!
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  2. Wynona's Avatar
    Posts : 27,987
    Windows 10 2404 Build 19042.867
       #2

    smithdrumm said:
    I have a 10 year old HP Pavilion desktop that was just refurbished. When I put the computer in sleep mode, the power button now blinks blue, instead of solid orange, which is the way it used to be. I would like to change it back to solid orange when in sleep mode. Is there any way to correct this? Please help!
    Several things come to mind:

    Did you change the motherboard, power supply, case, or anything else? I have an HP Pavilion 500-056. I've changed sleep options to go to sleep after one minute of inactivity. I'll be back in a few to tell you what "color" sleep is.
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  3. Wynona's Avatar
    Posts : 27,987
    Windows 10 2404 Build 19042.867
       #3

    Oh, BTW, welcome to TenForums, Smith.
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  4. Wynona's Avatar
    Posts : 27,987
    Windows 10 2404 Build 19042.867
       #4

    I'm back. My light is solid white when the computer's being used and a flashing white light when the computer's sleeping.

    Also, you might check to see if the bulb for your power button has been changed.
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  5. Fafhrd's Avatar
    Posts : 1,981
    Windows 10 x86 14383 Insider Pro and Core 10240
       #5

    Wynona's probably right - the power button may have been replaced with a more modern blue LED indicator lamp during the refurb, rather than the older orange type - which are possibly hard to come by today.

    Failing getting an original replacement power button, the only solution I can think of is a plastic "cap" for the button which contains an orange phosphor - which will glow (fluoresce) orange when illuminated with the short wavelength blue emission from the LED. I imagine acrylic sheet is produced with day-glo fluorescent orange pigments, easily cut into a disk and polished to give a domed cap for a button.

    As a relevant aside, most LEDs in production today - whatever their output colour, are constructed as blue LEDs, coated with phosphors that change the output colour from blue to white (warm or cold), greens from cool bluish minty greens to yellower lime greens, yellows, oranges, reds, and magentas - all the colours of your Christmas lights.

    Electronically, different native colour-emitting LEDs - reds, oranges, yellows, greens, blues and violets all have slightly different voltage/current requirements, so designing circuits for these were more complicated than the modern blue + coloured phosphor lamps which have a single voltage/current requirement.
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  6. Wynona's Avatar
    Posts : 27,987
    Windows 10 2404 Build 19042.867
       #6

    Fafhrd said:
    Wynona's probably right - the power button may have been replaced with a more modern blue LED indicator lamp during the refurb, rather than the older orange type - which are possibly hard to come by today.

    Failing getting an original replacement power button, the only solution I can think of is a plastic "cap" for the button which contains an orange phosphor - which will glow (fluoresce) orange when illuminated with the short wavelength blue emission from the LED. I imagine acrylic sheet is produced with day-glo fluorescent orange pigments, easily cut into a disk and polished to give a domed cap for a button.

    As a relevant aside, most LEDs in production today - whatever their output colour, are constructed as blue LEDs, coated with phosphors that change the output colour from blue to white (warm or cold), greens from cool bluish minty greens to yellower lime greens, yellows, oranges, reds, and magentas - all the colours of your Christmas lights.

    Electronically, different native colour-emitting LEDs - reds, oranges, yellows, greens, blues and violets all have slightly different voltage/current requirements, so designing circuits for these were more complicated than the modern blue + coloured phosphor lamps which have a single voltage/current requirement.
    Very interesting, Fafhrd. Thanks for the explanation.
      My Computer


 

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