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LED always on

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Mar 28, 2016
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Motherboard
gigabyte Z170p
CPU
Intel I5
Graphics
NVIDIA
Mac
  1. iMac
hi there guys,

So I soldered the button and the led.

The power button works perfectly fine but the led lights up as soon as I plug the power supply in.

It should only work when I switch on the Power.

Any suggestions?
 

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2 options:
1. You shorted the switch over the LED when soldering. Your solder looks clean but check with a multimeter if there is a short.
2. It's a mobo problem. Check to make sure that you plugged into the proper front panel header pin for the LED+/-.
 
Hi!
Thanks. I think the button is broken
 
I had the issue when I switched motherboards a while back, it worked fine with my old one but the new one it didn't. I switched to the HDD indicator LED pin on the front panel header and now it only lights up with the system and doesn't even flash, which I was thinking it would before I tried.
 
There's a BIOS setting but I forgot what it's called. ErP I believe - if you toggle it, the light should go off once you've powered the computer off. Try that first. I had that problem for a long time. It's basically a setting that allows the mobo to still have power so that you can charge your devices with the USB ports, etc. Let us know if that works!
 
There's a BIOS setting but I forgot what it's called. ErP I believe - if you toggle it, the light should go off once you've powered the computer off. Try that first. I had that problem for a long time. It's basically a setting that allows the mobo to still have power so that you can charge your devices with the USB ports, etc. Let us know if that works!

Will this remove the usb charging etc as well or or just turn off the light?
 
Will this remove the usb charging etc as well or or just turn off the light?

It will disable USB charging, etc. as it is allowing the mobo to fully shut off (I.E. use no power). Bit of a bummer, but I use a powered USB 3 hub for charging things any when the PC is off. I can't stand that light being on!
 
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