Issue with the PC power button flashing once the system powers off.
Issue with the PC power button flashing once the system powers off.
To stop the blinking, simply power off and then turn the power supply back on. This should resolve the issue.
When the computer is in sleep mode, this behavior is completely normal. The solution is to remove the power switch located usually on the bottom right of your motherboard. Remember, each motherboard front panel connector has a unique arrangement—check your manual for the correct orientation.
That's the only solution I'm aware of, but I understand you'd rather just overlook it.
Besides what the OP mentions, it seems the action occurs when the user tells the PC to shut down rather than sleep. It would be useful to have details about the specific motherboard and case you're using. Certain boards have a BIOS option for this behavior. Some cases include an RGB power LED, and if it's DRGB (using 5V instead of 12V), it might remain active because the PC keeps supplying that voltage even when turned off. I’m aware this setting exists on my board and is used to charge my phone while the PC is powered down.
The motherboard is an ASRock B450M Pro4 and the case is a DeepCool MATREXX 50.
This method is known as hybrid sleep, a technique Microsoft employs to make users believe their devices are starting quickly (Fast Boot). To eliminate it, turn off hibernation. Switching to regular Standby or Shutdown will restore normal behavior. Open Command Prompt and run powercfg -h off.
I don't know of a commercial motherboard that stays steady when sleeping. Sorry. You might want to cover the LED with black marker to reduce brightness. Alternatively, turn off your PC entirely. If it takes over a minute to boot with an SSD, there may be another issue. Sleeping isn't ideal either—everything appears fine but power consumption is extremely low. Leaving it on could actually be preferable.