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!
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.
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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