Windows 10: New PC build will not turn off/boot back on when pressing restart button.

As the title says, my newly built PC isn't restarting correctly. When I press the physical power button, or tell it to shut down via Windows, it turns off, the fans stop spinning, the rgbs turn off, etc. PC is off. However, when I or more often, Windows/some other program which requires a restart to update or do anything else tell it to restart, be it through the software doing it or through pressing the restart button in the Windows menu, the screen goes to the blue restarting screen, and video output ceases, yet the rgbs remain on, the fans keep spinning or sometimes ramp up, as if it wer

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When the Power button is Pressed Pc turns on then Off again.

Hi all,

Need some help, Recently for past month id say iv been having this weird problem on with my main rig, Iv been searching the net trying to find answers or different things to try but nothing is working.

Pretty much as the title said, When i press the Power button the pc starts to turn on, But then it instantly just switches off... But the weird thing is when i press the power button again it boots up normally and i have no problems at all with the pc everything is running fine. Nothing major just be nice if i pressed the button first time it would boot up normally. As i said it was fine till a month ago and this problem just started.

I took the Pc apart about 3 days, Rebuilt it cleaned everything. Replace the Cmos, reset the bios settings. Not sure what else to try ?

Thanks

 

When the Power button is Pressed Pc turns on then Off again.

Power on switch sounds to have a fault. Sometimes when they start to go the contact plates can stick when you press the button.

Unplug the power switch header, And plug the reset switch into the power on header. Then start again using the reset switch as the on button. If it clears the fault then it's time to buy a new switch (or just keep using the reset switch).

Don't be tempted to plug the power switch into the reset header as it may cause constant resets if it is the fault.

The later in boot restarts could still be the switch, It depends on the switch and what's wrong with it. If there is a loose contact plate then movement on that plate could cause soft restarts in windows, or hard restarts before windows has got up. Rule out the basic before you spend money.

 

When the Power button is Pressed Pc turns on then Off again.

Just update, Turned Pc on this morning with the New PSU, Same problem.. Just wont start first time i press the button it seems to get to the windows logo then just completely cuts off.
Checked the CPU Cooler earlier, Tightened up the screw on the CPU cooler. I checked the temperatures CPU too seem to be 20-30c Idle. Case Temp roughly 35c.