Computer Not Responding to Mouse or Keyboard After Sleep Mode: No Video Input Error

Good morning,

I am writing to help you solve my problem for the first time today

the problem is that I had the computer turned on all night, and after about 15 minutes automatically my computer goes into sleep mode
to get out of it, by default, I had to move the mouse or keyboard to press something and it automatically woke up.
So, today, when I wanted to wake him up, neither the keyboard nor the mouse worked (they glow), I also knew that something was wrong, but the message 'No video input', 'Going to sleep mode' pops up, This is not a problem monitor, because I checked it on a second computer and everything is ok with the monitor, I tried to reset it dozens of times, but unfortunately without any effects, it always turns on, the fans run, the dvd works, and nothing more. Resetting gives nothing. Always the same effect, I also tried to rearrange the frame but it also did nothing. I am powerless because I can't do anything, I can't even enter the BIOS or something because I can't see the image on the monitor, black screen.
If anyone had a similar problem, please help.

Enter the computer configuration.
Familiarize yourself with this topic -> https://www.elektroda.pl/rtvforum/topic2996917.html

The first suspect is the power supply, but we will not fool if we do not know any data. If you have a meter, measure its voltage.

Try connecting the monitor to a different graphics card port. Try the same with your mouse and keyboard.

badboy84 wrote:

The first suspect is the power supply, but we will not fool if we do not know any data.

Also possible.

Unfortunately, I do not remember the exact specification, I also do not have access to the pc, because I can not even access it, I will develop some future suggestions,
-The computer turns on, it suggests that all the fans, recorder, computer lighting and graphics card are walking (the logo is on), which means the power supply is rejected.
- All USB ports do not work,
- HDMI, dSUB ports do not work (I use HDMI to the monitor) but I also checked dsub, the effect is the same.

All the time it seems to me that my pc is in a sleeping state, all you have to do is move the mouse to wake it up ... but how if it doesn't work?

Like something, I've checked on many mice, checked if my hardware works on another computer, etc.

pavlb100 wrote:

so the power supply is rejected.

So if you know what you are writing for here

pavlb100 wrote:

I don't remember the exact specification, I don't have access to the pc, because I can't even access it,

But what is your problem with unscrewing the housing and reading even the model of the motherboard and the power supply?

pavlb100 wrote:

All the time it seems to me that my pc is in a sleeping state, all you have to do is move the mouse to wake it up.

The fans do not work in sleep mode. In this state the computer should be able to wake up.
If you turn off your computer, the RAM data is automatically lost and your computer is turned off. After connecting to the power supply and turning on the computer, everything should work. I understand that - it is not so?
It has nothing to do with waking your computer from sleep.

In that case, please provide your graphics card model. If there is no image, it is very likely that the graphics have fallen. And it could fall from a pseudo-power supply.

Another dead equipment. Does it have a wonderful speaker? Is he making a beep? Probably not. As after removing everything except the CPU, cooling the CPU and speaker will still not beep it is dead