Desktop has pitch black screen

[Arely1]

My desktop recently has a black screen and it tells me to check video cable and I keep disconnecting the cords and connecting them back after 5 seconds but nothing works what can I do 

[Kumar0307]

@Arely1, Welcome to the HP Support Community!

Do you see the message "Check video cable" on the monitor or the PC?

Try connecting a different Notebook/PC to this monitor and check if it works.

Use the following steps to make sure the video connection between the PC and monitor is good:

1. Remove the video cable from the computer and monitor.

2. Check for bent or broken connector pins or broken pins that have become lodged inside the holes of the video connector on the computer. With the monitor and computer off, straighten bent pins with a small metal tube, like the tip of an empty mechanical pencil or the tip of a retracted pen. If any of the pins have broken off from the cable and are stuck in the small holes of the video connector (on the computer), remove the broken pins using a metal sewing pin (or similar metal pin that is thin and has a point).

   Figure : Video connector

   

3. Connect another video cable to the computer and monitor. If possible use a different cable. For example, if your monitor has an HDMI connector and a DVI connector, use the other cable type if possible. If not, use a new cable of the same type.

For more info, refer to this document.

Let me know how this goes.

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