Computer turned off while updating bios

I know this sounds trivial, but HP desktops are famous for broken power buttons. Please read darrenforster99 reply here in regards to switching power supply voltage).

You should also check your power supply to be sure it's set to 115V (if it has a switch). I should also mention that these desktops only came with a 240Watt Power Supply and it's possible that the power supply is failing.

Bad Memory can make your computer do just about anything.

Question: Help, my computer just won't shut down Hello, I have an HP DC5700 desktop running Windows 7 and when I shut it down after about 6 seconds later, it will start itself back up. Also while the computer is on and I leave it alone for about 10-15 minutes, the screen goes dark and then the computer will start to beep.

I then have to unplug it and plug it back in; then when I push the start button it will resume Windows.

In my case, it came with a USB 3.0 port, although I don't have any 3.0 devices at the moment.

But I was a few USB 2.0 ports short, so I unpluged and removed the USB 3.0 PCI card and replaced it with a 5-port USB 2.0 PCI card that I had used in my "old" computer.

One of the options in the start menu tab is what to do when the power button is pressed. I had a similar problem, I would shut the computer down, lo and behold 5 minutes later it would be running again.

I tried everything, setting the button to actually shut down,etc.

Assuming all is well with the power button, I would move on to the RAM (Memory).

Sometimes when RAM is not properly seated or possibly bad, it can cause the kind of problems you described.

Someone suggested that I reinstall Windows as it was a corrupt install. I'm hoping that someone might give me some information to help me correct this.

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