Windows 10: NMI_HARDWARE_FAILURE When holding down power button

Hello, I was getting ready to sleep for the night and I told my little brother to hold down the power button on my hp all in one computer to turn it off and I saw that it wasn’t turning off and got confused and we were brought with a bsod that had an error code of NMI_HARDWARE_FAILURE. I tried to take a picture with my phone but the computer already restarted. I unfortunately had to unplug it after it finished restarting since I was kind of scared. I am genuinely confused since I’ve had no problems turning off the computer since when I bought it. This is the only time I ever had that error cod

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NMI_HARDWARE_FAILURE When holding down power button

Hello, I was getting ready to sleep for the night and I told my little brother to hold down the power button on my hp all in one computer to turn it off and I saw that it wasn’t turning off and got confused and we were brought with a bsod that had an error code of NMI_HARDWARE_FAILURE. I tried to take a picture with my phone but the computer already restarted. I unfortunately had to unplug it after it finished restarting since I was kind of scared. I am genuinely confused since I’ve had no problems turning off the computer since when I bought it. This is the only time I ever had that error code. I will try to upload the minidump files tomorrow but to be honest I am pretty scared of bsod’s and I get uneasy knowing I’ll probably get one again if I try to hold down the power button but we’ll see. If you can help me figure out what happened I would really really appreciate it. This computer is only 1 year old and I don’t want it having hardware problems. I’m no good at fixing that stuff.

 

When I press and hold power button

Hold the power button for 15 seconds or so. When you press the power button for a second or two, it will go into Sleep Mode. Hold it longer and it will shut off.
Boot into Windows go to Search and type power options and press enter and change what the power button does and change it to Shut Down. How to customize power button action when pressed on Windows 10 | Windows Central

 

PC doesn't power down after holding power button for 4 seconds

The power button on a PC is temporary push switch. It makes contact as long as you hold the button down. Quick press and release triggers a smart relay on the MB to turn on or off, depending on default or OS state, such as cold on, sleep on, turn off, sleep off, etc. Holding the button down for a long time is a default hardware power kill switch. If it's not working, suspect the MB. Reset the BIOS is a good suggestion, but prolly won't work.