HP Pavilion starts extended standby/sleep mode and stays there - there is nothing on the monitor

I have a desktop HP Pavilion Elite HPE-250f (Core i7).

I have been using internet. Suddenly the computer makes a little sound, and the screen went white. The computer seems to be in hibernation / sleep normal. Generally, when the computer goes into standby/sleep mode (after a certain period of not used), the color on the power button turns from blue to yellow. But this time, the blue color.

Usually, I can move the mouse and exit this mode. But this time I moved the mouse and nothing happened.

I pressed and held the power button and turns off the computer. I then turned the computer back on. The power button is blue, there is a green light on the back of the computer, and the fans were at work. But nothing on the screen.

I rebooted several times, and there is nothing on the screen. There is no beep when the computer is restarted.

What should I do? Help, please. Thank you.

I removed the RAM memory cards and reinstalled them. That solved the problem.

Tags: HP Desktops

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