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COBA777
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Monitor working well, but it is black

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I turn on my computer, monitor is turning in, then there is a loading screen: "Hp", after that monitor becomes black, monitor is new, maybe its something in computer, i checked RAM, i checked video card, everything is working and clean

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Prométhée
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the message indicates that the screen is not receiving a video signal
This could be a problem with the graphics card or the connections.
But from what you say I have the impression that windows does not start ..
We can check if you don't have a problem with the video card
You have to open the pc ..
So take the precautions in order to open safely, disconnect the pc from the power supply, and keep the button on and off for a few seconds (at least 30s)
disconnect everything leave only keyboard and mouse ..
Remove the graphics card, and connect the screen directly to the motherboard:

Reconnect the power supply, and restart, if nothing indicates the exact behavior of the computer, at startup!

Sunflower back I/O panel

4 HDMI

5 VGA

 Upgrading & Servicing Guide

 



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please click on the accept as solution button if message provided an answer to the problem





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Prométhée
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Hello
It seems that this is the pc the problem, but without more information.
"i checked video card"
How did you check the card?
The pc seems to work?
A simple way to fix it would be to test the screen with another computer, if it works it's your computer!
conversely, try another screen with your computer, if it works, it is likely to be a problem with the screen (or connections)



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COBA777
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I've done as you said. I thought that was a problem with the screen, so i bought new one, but thats not working to, it says:"input signal not found, check the video cable and the video source" but every cable is okay,about video card, i just looked if every connection is ok, and there is no garbage in it, what i need to do, if problem is in my computer?

Model:HP Pavilion 590-p0031ur

P/n:4JY20EA

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COBA777
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And i can go into start-up menu, so i've made diagnostics, and everything is okey

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COBA777
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I can make photos of my screen, and how everything is connected, if you need it

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Prométhée
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HP Recommended

the message indicates that the screen is not receiving a video signal
This could be a problem with the graphics card or the connections.
But from what you say I have the impression that windows does not start ..
We can check if you don't have a problem with the video card
You have to open the pc ..
So take the precautions in order to open safely, disconnect the pc from the power supply, and keep the button on and off for a few seconds (at least 30s)
disconnect everything leave only keyboard and mouse ..
Remove the graphics card, and connect the screen directly to the motherboard:

Reconnect the power supply, and restart, if nothing indicates the exact behavior of the computer, at startup!

Sunflower back I/O panel

4 HDMI

5 VGA

 Upgrading & Servicing Guide

 



Please remember to mark the answers this can help other users:
please click on the accept as solution button if message provided an answer to the problem





View solution in original post

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