Question

If the computer is open and all the divices are working but the monitor is not showing any thing what problem is that and how to solve it​

Answer 1

Answer:

Just check whether the wiring is proper or not.... Also there might be some virus in ur PC, so u shud ask for a proper PC professional to get ur problem solved...

Explanation:

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Answer 2

Answer:

In particular, ensure your monitor is plugged into the wall and receiving power, and double-check that the cable going to your PC is firmly plugged in at both ends. If you have a graphics card, your monitor should be plugged into that, not the HDMI port on your motherboard.